JEE Main & Advanced Chemistry Solutions / विलयन Question Bank

done Method of expressing concentration of solution Total Questions - 144

• question_answer1)
  \[25\,ml\] Of \[3.0\,M\,HN{{O}_{3}}\] are mixed with \[75\,ml\] of\[4.0\,M\,HN{{O}_{3}}\]. If the volumes are additive, the molarity of the final mixture would be  [DPMT 1986; MH CET 2001]
  A)
                  \[3.25\,M\]              done clear
  B)
                  \[4.0\,M\] done clear
  C)
                  \[3.75\,M\]              done clear
  D)
                  \[3.50M\] done clear
  View Solution play_arrow

• question_answer2)
  The amount of anhydrous \[N{{a}_{2}}C{{O}_{3}}\] present in 250 ml of 0.25 M solution is                                              [DPMT 2001]
  A)
                  6.225 g   done clear
  B)
                  66.25 g done clear
  C)
                  6.0 g       done clear
  D)
                  6.625 g done clear
  View Solution play_arrow

• question_answer3)
  Dilute one litre 1 molar \[{{H}_{2}}S{{O}_{4}}\] solution by 5 litre water, the normality of that solution is         [DPMT 1983]
  A)
                  \[0.2N\]   done clear
  B)
                  \[5\,N\] done clear
  C)
                  \[10\,N\] done clear
  D)
              0.33 N done clear
  View Solution play_arrow

• question_answer4)
  If 5.85 gms of \[NaCl\] are dissolved in 90 gms of water, the mole fraction of \[NaCl\]is [CMC Vellore 1991; MP PMT 1994; AFMC 1998]
  A)
                  0.1          done clear
  B)
                  0.2 done clear
  C)
                  0.3          done clear
  D)
                  0.01 done clear
  E)
                  0.0196 done clear
  View Solution play_arrow

• question_answer5)
  The molarity of 0.006 mole of \[NaCl\] in \[100ml\] solution is [Bihar MEE 1996]
  A)
                  0.6          done clear
  B)
                  0.06 done clear
  C)
                  0.006      done clear
  D)
                  0.066 done clear
  E)
                  None of these done clear
  View Solution play_arrow

• question_answer6)
  \[9.8g\] of \[{{H}_{2}}S{{O}_{4}}\] is present in 2 litres of a solution. The molarity of the solution is   [EAMCET 1991; MP PMT 2002]
  A)
                  \[0.1M\] done clear
  B)
                  \[0.05M\] done clear
  C)
                  \[0.2M\] done clear
  D)
                  \[0.01M\] done clear
  View Solution play_arrow

• question_answer7)
  What will be the molarity of a solution containing \[5g\] of sodium hydroxide in \[250\,ml\] solution [MP PET 1999; BHU 1999; KCET 1999; AIIMS 2000; Pb. CET 2000]
  A)
                  0.5          done clear
  B)
                  1.0 done clear
  C)
                  2.0          done clear
  D)
                  0.1 done clear
  View Solution play_arrow

• question_answer8)
  The normality of \[0.3M\] phosphorus acid \[({{H}_{3}}P{{O}_{3}})\] is [IIT 1999; AIIMS 2000]
  A)
                  0.1          done clear
  B)
                  0.9 done clear
  C)
                  0.3          done clear
  D)
                  0.6 done clear
  View Solution play_arrow

• question_answer9)
  Which of the following has maximum number of molecules [CBSE PMT 2002]
  A)
                  16 gm of \[{{O}_{2}}\]        done clear
  B)
                  16 gm of \[N{{O}_{2}}\] done clear
  C)
                  7 gm of \[{{N}_{2}}\]          done clear
  D)
              2 gm of \[{{H}_{2}}\] done clear
  View Solution play_arrow

• question_answer10)
  Molarity is expressed as       [JIPMER 1991; CBSE PMT 1991]
  A)
                  Gram/litre               done clear
  B)
                  Moles/litre done clear
  C)
                  Litre/mole               done clear
  D)
                  Moles/1000 gms done clear
  View Solution play_arrow

• question_answer11)
  \[20\,ml\] of \[HCl\] solution requires \[19.85\,ml\] of \[0.01\,M\,NaOH\] solution for complete neutralization. The molarity of \[HCl\] solution is                                                [MP PMT 1999]
  A)
                  0.0099   done clear
  B)
                  0.099 done clear
  C)
                  0.99        done clear
  D)
                  9.9 done clear
  View Solution play_arrow

• question_answer12)
  How much of NaOH is required to neutralise 1500 \[c{{m}^{3}}\] of 0.1 N  HCl  (At. wt. of  Na =23)                [KCET 2001]
  A)
                  4 g           done clear
  B)
                  6 g done clear
  C)
                  40 g        done clear
  D)
                  60 g done clear
  View Solution play_arrow

• question_answer13)
  If 5.85 g  of NaCl (molecular weight 58.5) is dissolved in water and the solution is made up to 0.5 litre, the molarity of the solution will be     [AMU 1999; Pb PMT 2000; AFMC 2001]
  A)
                  0.2          done clear
  B)
                  0.4 done clear
  C)
                  1.0          done clear
  D)
                  0.1 done clear
  View Solution play_arrow

• question_answer14)
  A mixture has 18g water and 414g ethanol. The mole fraction of water in mixture is (assume ideal behaviour of the mixture)                                             [MP PMT 2000]
  A)
                  0.1          done clear
  B)
                  0.4 done clear
  C)
                  0.7          done clear
  D)
                  0.9 done clear
  View Solution play_arrow

• question_answer15)
  The number of molecules in 4.25 g of ammonia is approximately                                                 [CBSE PMT 2002]
  A)
                  \[0.5\times {{10}^{23}}\] done clear
  B)
              \[1.5\times {{10}^{23}}\] done clear
  C)
                  \[3.5\times {{10}^{23}}\] done clear
  D)
                  \[2.5\times {{10}^{23}}\] done clear
  View Solution play_arrow

• question_answer16)
  The largest number of molecules is in                [Kurukshetra CEE 1998]
  A)
                  \[25g\] of \[C{{O}_{2}}\]     done clear
  B)
                  \[46g\] of \[{{C}_{2}}{{H}_{5}}OH\] done clear
  C)
                  \[36g\] of \[{{H}_{2}}O\]    done clear
  D)
                  \[54g\] of \[{{N}_{2}}{{O}_{5}}\] done clear
  View Solution play_arrow

• question_answer17)
  If 1 M and 2.5 litre NaOH solution is mixed with another 0.5 M and 3 litre NaOH solution, then molarity of the resultant solution will be                [CBSE PMT 2002]
  A)
                  1.0 M      done clear
  B)
              0.73 M done clear
  C)
                  0.80 M    done clear
  D)
                  0.50 M done clear
  View Solution play_arrow

• question_answer18)
  When a solute is present in trace quantities the following expression is used               [Kerala CET (Med.) 2002]
  A)
                  Gram per million   done clear
  B)
                  Milligram percent done clear
  C)
                  Microgram percent                done clear
  D)
                  Nano gram percent done clear
  E)
              Parts per million done clear
  View Solution play_arrow

• question_answer19)
  When the concentration is expressed as the number of moles of a solute per litre of solution it known as [Kerala CET (Med.) 2002]
  A)
                  Normality               done clear
  B)
                  Molarity done clear
  C)
                  Mole fraction          done clear
  D)
                  Mass percentage done clear
  E)
                  Molality done clear
  View Solution play_arrow

• question_answer20)
  The normality of 2.3 M \[{{H}_{2}}S{{O}_{4}}\] solution is        [KCET 2000]
  A)
                  2.3 N      done clear
  B)
                  4.6 N done clear
  C)
                  0.46 N    done clear
  D)
                  0.23 N done clear
  View Solution play_arrow

• question_answer21)
  The molarity of a solution made by mixing 50ml of conc. \[{{H}_{2}}S{{O}_{4}}\] (36N) with 50 ml of water is               [MP PMT 2001]
  A)
                  36 M       done clear
  B)
                  18 M done clear
  C)
                  9 M         done clear
  D)
                  6 M done clear
  View Solution play_arrow

• question_answer22)
  171 g of cane sugar \[({{C}_{12}}{{H}_{22}}{{O}_{11}})\] is dissolved in 1 litre of water. The molarity of the solution is              [MP PMT 2001]
  A)
                  2.0 M      done clear
  B)
                  1.0 M done clear
  C)
                  0.5 M      done clear
  D)
                  0.25 M done clear
  View Solution play_arrow

• question_answer23)
  The volumes of \[4\,N\,HCl\] and \[10\,N\,HCl\] required to make 1 litre of \[6\,N\,HCl\] are       [Kerala PMT 2004]
  A)
                  0.75 litre of 10 N HCl and 0.25 litre of 4 N HCl               done clear
  B)
                  0.25 litre of 4 N HCl and 0.75 litre of 10 N HCl done clear
  C)
                  0.67 litre of 4 N HCl and 0.33 litre of 10 N HCl done clear
  D)
                  0.80 litre of 4 N HCl and 0.20 litre of 10 N HCl done clear
  E)
                  0.50 litre of 4 N HCl and 0.50 litre of 10 N HCl done clear
  View Solution play_arrow

• question_answer24)
  Which statement is true for solution of 0.020 M \[{{H}_{2}}S{{O}_{4}}\] [DPMT 2001]
  A)
                  2 litre of the solution contains 0.020 mole of \[SO_{4}^{2-}\] done clear
  B)
                  2 litre of the solution contains 0.080 mole of \[{{H}_{3}}{{O}^{+}}\] done clear
  C)
                  1 litre of the solution contains 0.020 mole  \[{{H}_{3}}{{O}^{+}}\] done clear
  D)
                  None of these done clear
  View Solution play_arrow

• question_answer25)
  10 litre solution of urea contains 240g urea. The active mass of urea will be                [KCET 2000]
  A)
                  0.04        done clear
  B)
                  0.02 done clear
  C)
                  0.4          done clear
  D)
                  0.2 done clear
  View Solution play_arrow

• question_answer26)
  5 ml of N HCl, 20 ml of N/2 \[{{H}_{2}}S{{O}_{4}}\] and 30 ml of N/3 HNO3 are mixed together and volume made to one litre. The normally of the resulting solution is    [Kerala CET (Med.) 2003]
  A)
                  \[\frac{N}{5}\]       done clear
  B)
                  \[\frac{N}{10}\] done clear
  C)
                  \[\frac{N}{20}\]     done clear
  D)
                  \[\frac{N}{40}\] done clear
  E)
                  \[\frac{N}{25}\] done clear
  View Solution play_arrow

• question_answer27)
  The amount of \[{{K}_{2}}C{{r}_{2}}{{O}_{7}}\] (eq. wt. 49.04) required to prepare 100 ml of its 0.05 N solution is    [JIPMER 2002]
  A)
                  2.9424 g                done clear
  B)
                  0.4904 g done clear
  C)
                  1.4712 g                done clear
  D)
                  0.2452 g done clear
  View Solution play_arrow

• question_answer28)
  With increase of temperature, which of these changes [AIEEE 2002]
  A)
                  Molality done clear
  B)
                  Weight fraction of solute done clear
  C)
                  Fraction of solute present in water done clear
  D)
                  Mole fraction done clear
  View Solution play_arrow

• question_answer29)
  25ml of a solution of barium hydroxide on titration with a 0.1molar solution of hydrochloric acid gave a litre value of 35 ml. The molarity of barium hydroxide solution was [AIEEE 2003]
  A)
                  0.07        done clear
  B)
                  0.14 done clear
  C)
                  0.28        done clear
  D)
                  0.35 done clear
  View Solution play_arrow

• question_answer30)
  2.0 molar solution is obtained , when 0.5 mole solute is dissolved in                                           [MP PMT 2003]
  A)
                  250 ml solvent      done clear
  B)
                  250 g solvent done clear
  C)
                  250 ml solution     done clear
  D)
                  1000 ml solvent done clear
  View Solution play_arrow

• question_answer31)
  How many gram of HCl will be present  in \[150\,ml\] of its 0.52 M  solution              [RPET 1999]
  A)
                  2.84 gm done clear
  B)
                  5.70 gm done clear
  C)
                  8.50 gm  done clear
  D)
                  3.65 gm done clear
  View Solution play_arrow

• question_answer32)
  The number of moles present in 2 litre of 0.5 M \[NaOH\] is [MH CET 2001]
  A)
                  0.5          done clear
  B)
                  0.1 done clear
  C)
                  1              done clear
  D)
                  2 done clear
  View Solution play_arrow

• question_answer33)
  36g water and 828g ethyl alcohol form an ideal solution. The mole fraction of water in it, is     [MP PMT 2003]
  A)
                  1.0          done clear
  B)
                  0.7 done clear
  C)
                  0.4          done clear
  D)
              0.1 done clear
  View Solution play_arrow

• question_answer34)
  What will be the normality of a solution containing 4.9 g. \[{{H}_{3}}P{{O}_{4}}\] dissolved in 500 ml water   [MP PMT 2003]
  A)
                  0.3          done clear
  B)
                  1.0 done clear
  C)
                  3.0          done clear
  D)
                  0.1 done clear
  View Solution play_arrow

• question_answer35)
  3.0 molal NaOH  solution has a density of 1.110 g/ml. The molarity of the solution is               [BVP 2003]
  A)
                  3.0504   done clear
  B)
                  3.64 done clear
  C)
                  3.05        done clear
  D)
                  2.9732 done clear
  View Solution play_arrow

• question_answer36)
  Which of the following modes of expressing concentration is independent of temperature                        [IIT 1988; CPMT 1999;  CBSE PMT 1992, 95; MP PMT 1992; AIIMS 1997, 2001]
  A)
                  Molarity  done clear
  B)
                  Molality done clear
  C)
                  Formality                done clear
  D)
                  Normality done clear
  View Solution play_arrow

• question_answer37)
  The molality of a solution is                 [MP PMT 1996]
  A)
                  Number of moles of solute per \[1000\,ml\] of the solvent done clear
  B)
              Number of moles of solute per \[1000\,gm\]of the solvent done clear
  C)
                  Number of moles of solute per \[1000\,ml\] of the solution done clear
  D)
                  Number of gram equivalents of solute per \[1000\,ml\] of the solution done clear
  View Solution play_arrow

• question_answer38)
  The number of molecules in \[16gm\] of methane is [MP PET/PMT 1998]
  A)
                  \[3.0\times {{10}^{23}}\] done clear
  B)
                  \[6.02\times {{10}^{23}}\] done clear
  C)
                  \[\frac{16}{6.02}\times {{10}^{23}}\]           done clear
  D)
                  \[\frac{16}{3.0}\times {{10}^{23}}\] done clear
  View Solution play_arrow

• question_answer39)
  The number of moles of a solute in its solution is 20 and total number of moles are 80. The mole fraction of solute is [MP PMT 1997]
  A)
                  2.5          done clear
  B)
              0.25 done clear
  C)
                  1              done clear
  D)
                  0.75 done clear
  View Solution play_arrow

• question_answer40)
  The normality of a solution of sodium hydroxide 100 ml of which contains 4 grams of \[NaOH\] is         [CMC Vellore 1991]
  A)
                  0.1          done clear
  B)
                  40 done clear
  C)
                  1.0          done clear
  D)
                  0.4 done clear
  View Solution play_arrow

• question_answer41)
  Two solutions of a substance (non electrolyte) are mixed in the following manner 480 ml of 1.5M first solution + 520 mL of 1.2M second solution. What is the molarity of the final mixture             [AIEEE 2005]
  A)
                  1.20 M    done clear
  B)
                  1.50 M done clear
  C)
                  1.344 M done clear
  D)
                  2.70 M done clear
  View Solution play_arrow

• question_answer42)
  The normal amount of glucose in \[100ml\] of blood (8?12 hours after a meal) is      [BHU 1981]
  A)
                  \[8\,mg\] done clear
  B)
              \[80\,mg\] done clear
  C)
                  \[200\,mg\]             done clear
  D)
                  \[800\,mg\] done clear
  View Solution play_arrow

• question_answer43)
  Molar solution means 1 mole of solute present in [BCECE 2005]
  A)
                  1000g of solvent   done clear
  B)
                  1 litre of solvent done clear
  C)
                  1 litre of solution   done clear
  D)
                  1000g of solution done clear
  View Solution play_arrow

• question_answer44)
  What will be the molality of a solution having \[18g\] of glucose (mol. wt. = 180) dissolved in \[500g\] of water [MP PET/PMT 1998; CBSE PMT 2000; JIPMER 2001]
  A)
                  \[1\,m\]    done clear
  B)
                  \[0.5\,m\] done clear
  C)
              \[0.2\,m\]               done clear
  D)
                  \[2\,m\] done clear
  View Solution play_arrow

• question_answer45)
  A solution of \[A{{l}_{2}}{{(S{{O}_{4}})}_{3}}\,\{d=1.253\,gm/ml\}\]contain 22% salt by weight. The molarity, normality and molality of the solution is                                              [MP PET 2004]
  A)
                  0.805 M, 4.83 N, 0.825 M done clear
  B)
                  0.825 M, 48.3 N, 0.805 M done clear
  C)
                  4.83 M, 4.83 N, 4.83 M       done clear
  D)
              None done clear
  View Solution play_arrow

• question_answer46)
  Which of the following should be done in order to prepare \[0.40M\,NaCl\] starting with \[100\,ml\] of \[0.30M\,NaCl\]   (mol.wt. of \[NaCl=58.5\])                [BIT 1992]
  A)
                  Add \[0.585\,g\,NaCl\]          done clear
  B)
                  Add \[20\,ml\] water done clear
  C)
                  Add \[0.010ml\,NaCl\] done clear
  D)
                  Evaporate \[10ml\] water done clear
  View Solution play_arrow

• question_answer47)
  Which of the following solutions has the highest normality [JIPMER 1991]
  A)
                  8 gm of \[KOH\]/ litre            done clear
  B)
                  \[N\] phosphoric acid done clear
  C)
                  6 gm of \[NaOH\]/ 100 ml    done clear
  D)
                  \[0.5M\,{{H}_{2}}S{{O}_{4}}\] done clear
  View Solution play_arrow

• question_answer48)
  What volume of \[0.8\,M\] solution contains 0.1 mole of the solute                                               [AFMC 1984]
  A)
                  \[100\,ml\]              done clear
  B)
                  \[125\,ml\] done clear
  C)
                  \[500\,ml\]              done clear
  D)
                  \[62.5\,ml\] done clear
  View Solution play_arrow

• question_answer49)
  Hydrochloric acid solution \[A\] and \[B\] have concentration of \[0.5N\]and \[0.1N\] respectively. The volumes of solutions \[A\]  and \[B\] required to make \[2\,litres\] of \[0.2N\] \[HCl\] are                                                                                 [KCET 1993]
  A)
                  \[0.5\,l\] of \[A+1.5\,l\] of \[B\] done clear
  B)
                  \[1.5\,l\] of \[A+0.5l\] of \[B\] done clear
  C)
                  \[1.0\,l\] of \[A+1.0\,l\] of \[B\] done clear
  D)
                  \[0.75\,l\] of \[A+1.25l\] of \[B\] done clear
  View Solution play_arrow

• question_answer50)
  Conc. \[{{H}_{2}}S{{O}_{4}}\] has a density of 1.98 gm/ml and is 98% \[{{H}_{2}}S{{O}_{4}}\] by weight. Its normality is       [MP PET 2002]
  A)
                  2 N          done clear
  B)
                  19.8 N done clear
  C)
                  39.6 N    done clear
  D)
                  98 N done clear
  View Solution play_arrow

• question_answer51)
  The mole fraction of the solute in one molal aqueous solution is [CBSE PMT 2005]
  A)
                  0.027      done clear
  B)
                  0.036 done clear
  C)
                  0.018      done clear
  D)
                  0.009 done clear
  View Solution play_arrow

• question_answer52)
  With 63 gm of oxalic acid how many litres of \[\frac{N}{10}\] solution can be prepared                                            [RPET 1999]
  A)
                  100 litre  done clear
  B)
                  10 litre done clear
  C)
                  1 litre      done clear
  D)
                  1000 litre done clear
  View Solution play_arrow

• question_answer53)
  Molarity of \[0.2N\,{{H}_{2}}S{{O}_{4}}\] is             [KCET 2005]
  A)
                  0.2          done clear
  B)
                  0.4 done clear
  C)
                  0.6          done clear
  D)
                  0.1 done clear
  View Solution play_arrow

• question_answer54)
  10.6 grams of a substance of molecular weight 106 was dissolved in \[100ml\]. \[10ml\] of this solution was pipetted out into a \[1000ml\] flask and made up to the mark with distilled water. The molarity of the resulting solution is               [EAMCET 1998]
  A)
                  \[1.0M\] done clear
  B)
                  \[{{10}^{-2}}M\] done clear
  C)
                  \[{{10}^{-3}}M\]                done clear
  D)
                  \[{{10}^{-4}}M\] done clear
  View Solution play_arrow

• question_answer55)
  The mole fraction of water in 20% aqueous solution of \[{{H}_{2}}{{O}_{2}}\] is                                  [EAMCET 1993]
  A)
                  \[\frac{77}{68}\]   done clear
  B)
                  \[\frac{68}{77}\] done clear
  C)
                  \[\frac{20}{80}\]   done clear
  D)
                  \[\frac{80}{20}\] done clear
  View Solution play_arrow

• question_answer56)
  Mole fraction \[(X)\] of any solution is equal to
  A)
                  \[\frac{\text{No}\text{. of moles of solute}}{\text{Volume of solution in litre}}\] done clear
  B)
                  \[\frac{\text{No}\text{. of gram equivalent of solute}}{\text{Volume of solution in litre}}\] done clear
  C)
                  \[\frac{\text{No}\text{. of moles of solute}}{\text{Mass of solvent in kg}}\] done clear
  D)
              \[\frac{\text{No}\text{. of moles of any constituent}}{\text{Total no}\text{. of moles of all constituents}}\] done clear
  View Solution play_arrow

• question_answer57)
  When \[{{W}_{B}}gm\] solute (molecular mass \[{{M}_{B}}\]) dissolves in \[{{W}_{A}}gm\] solvent. The molality \[M\] of the solution is
  A)
                  \[\frac{{{W}_{B}}}{{{W}_{A}}}\times \frac{{{M}_{B}}}{1000}\]            done clear
  B)
                  \[\frac{{{W}_{B}}}{{{M}_{B}}}\times \frac{1000}{{{W}_{A}}}\] done clear
  C)
                  \[\frac{{{W}_{A}}}{{{W}_{B}}}\times \frac{1000}{{{M}_{B}}}\]            done clear
  D)
                  \[\frac{{{W}_{A}}\times {{M}_{B}}}{{{W}_{B}}\times 1000}\] done clear
  View Solution play_arrow

• question_answer58)
  Normality \[(N)\] of a solution is equal to
  A)
                  \[\frac{\text{No}\text{. of moles of solute}}{\text{Volume of solution in litre}}\] done clear
  B)
                  \[\frac{\text{No}\text{. of gram equivalent of solute}}{\text{Volume of solution in litre }}\] done clear
  C)
                  \[\frac{\text{No}\text{. of moles of solute}}{\text{Mass of solvent in kg}}\] done clear
  D)
                  None of these done clear
  View Solution play_arrow

• question_answer59)
  The volume strength of \[1.5\,N\,{{H}_{2}}{{O}_{2}}\] solution is [CBSE PMT 1997; BHU 2002]
  A)
                  4.8          done clear
  B)
                  5.2 done clear
  C)
                  8.8          done clear
  D)
              8.4 done clear
  View Solution play_arrow

• question_answer60)
  How many \[gm\] of \[{{H}_{2}}S{{O}_{4}}\] is present in \[0.25gm\] mole of \[{{H}_{2}}S{{O}_{4}}\]                                          [CPMT 1990]
  A)
                  24.5        done clear
  B)
                  2.45 done clear
  C)
                  0.25        done clear
  D)
                  0.245 done clear
  View Solution play_arrow

• question_answer61)
  20 g of hydrogen is present in 5 litre vessel. The molar concentration of hydrogen is [DPMT 2000]
  A)
                  4              done clear
  B)
                  1 done clear
  C)
                  3              done clear
  D)
                  2 done clear
  View Solution play_arrow

• question_answer62)
  To prepare a solution of concentration of 0.03 g/ml of \[AgN{{O}_{3}}\], what amount of \[AgN{{O}_{3}}\] should be added in 60 ml of solution [AFMC 2005]
  A)
                  1.8          done clear
  B)
                  0.8 done clear
  C)
                  0.18        done clear
  D)
                  None of these done clear
  View Solution play_arrow

• question_answer63)
  How many grams of dibasic acid (mol. wt. 200) should be present in \[100ml\] of its aqueous solution to give decinormal strength  [AIIMS 1992; CBSE PMT 1999; AFMC 1999; KCET 2000; CPMT 2001]
  A)
                  \[1g\]       done clear
  B)
                  \[2g\] done clear
  C)
                  \[10g\]     done clear
  D)
                  \[20g\] done clear
  View Solution play_arrow

• question_answer64)
  The weight of pure \[NaOH\] required to prepare \[250c{{m}^{3}}\] of \[0.1N\] solution is   [KCET 1991; Kerala PMT 2004]
  A)
                  \[4g\]       done clear
  B)
                  \[1g\] done clear
  C)
                  \[2g\]       done clear
  D)
                  \[10g\] done clear
  View Solution play_arrow

• question_answer65)
  If \[20ml\] of \[0.4N\,NaOH\] solution completely neutralises \[40ml\] of a dibasic acid. The molarity of the acid solution is [EAMCET 1987]
  A)
                  \[0.1M\]  done clear
  B)
                  \[0.2M\] done clear
  C)
                  \[0.3M\] done clear
  D)
                  \[0.4M\] done clear
  View Solution play_arrow

• question_answer66)
  Which of the following concentration factor is affected by change in temperature        [DCE 2002]
  A)
                  Molarity  done clear
  B)
                  Molality done clear
  C)
                  Mole fraction          done clear
  D)
                  Weight fraction done clear
  View Solution play_arrow

• question_answer67)
  The distribution law is applied for the distribution of basic acid between      [UPSEAT 2001]
  A)
                  Water and ethyl alcohol       done clear
  B)
                  Water and amyl alcohol       done clear
  C)
              Water and sulphuric acid done clear
  D)
                   Water and liquor ammonia done clear
  View Solution play_arrow

• question_answer68)
  Which is heaviest                                  [CBSE PMT 1991]
  A)
                  25 gm of mercury done clear
  B)
                  2 moles of water done clear
  C)
                  2 moles of carbon  dioxide done clear
  D)
                  4 gm atoms of oxygen done clear
  View Solution play_arrow

• question_answer69)
  The molarity of a solution of \[N{{a}_{2}}C{{O}_{3}}\] having \[10.6g/500ml\] of solution is                               [AFMC 1992; DCE 2000]
  A)
                  \[0.2M\] done clear
  B)
                  \[2M\] done clear
  C)
                  \[20M\]   done clear
  D)
                  \[0.02M\] done clear
  View Solution play_arrow

• question_answer70)
  On passing \[{{H}_{2}}S\] gas through a solution of \[C{{u}^{+}}\] and \[Z{{n}^{+2}}\] ions, CuS is precipitated first because               [AMU 2001]
  A)
                  Solubility product of CuS is equal to the ionic product of ZnS done clear
  B)
                  Solubility product of CuS is equal to the solubility product of ZnS done clear
  C)
                  Solubility product of CuS is lower than the solubility product of ZnS done clear
  D)
                  Solubility product of CuS is greater than the solubility product of ZnS done clear
  View Solution play_arrow

• question_answer71)
  The number of moles of solute per kg of a solvent is called its        [DPMT 1983; IIT 1985; CPMT 1999]
  A)
                  Molarity  done clear
  B)
                  Normality done clear
  C)
                  Molar fraction        done clear
  D)
                  Molality done clear
  View Solution play_arrow

• question_answer72)
  1.0 gm of pure calcium carbonate was found to require 50 ml of dilute \[HCl\]for complete reaction. The strength of the \[HCl\] solution is given by                [CPMT 1986]
  A)
                  4 N          done clear
  B)
                  2 N done clear
  C)
                  0.4 N      done clear
  D)
                  0.2 N done clear
  View Solution play_arrow

• question_answer73)
  Molecular weight of glucose is 180. A solution of glucose which contains 18 gms per litre is     [AFMC 1978]
  A)
                  2 molal   done clear
  B)
                  1 molal done clear
  C)
                  0.1 molal                done clear
  D)
                  18 molal done clear
  View Solution play_arrow

• question_answer74)
  0.5 M of \[{{H}_{2}}S{{O}_{4}}\] is diluted from 1 litre to 10 litre, normality of resulting solution is    [AFMC 2005]
  A)
                  1 N          done clear
  B)
                  0.1 N done clear
  C)
                  10 N       done clear
  D)
                  11 N done clear
  View Solution play_arrow

• question_answer75)
  If one mole of a substance is present in \[1\,kg\] of solvent, then    [CPMT 1996]
  A)
                  It shows molar concentration done clear
  B)
              It shows molal concentration done clear
  C)
                  It shows normality done clear
  D)
                  It shows strength \[gm/gm\] done clear
  View Solution play_arrow

• question_answer76)
  The molality of 90% \[{{H}_{2}}S{{O}_{4}}\] solution is                 [density=1.8 gm/ml]            [MP PMT 2004]
  A)
                  1.8          done clear
  B)
                  48.4 done clear
  C)
                  9.18        done clear
  D)
                  94.6 done clear
  View Solution play_arrow

• question_answer77)
  The volume of water to be added to \[100c{{m}^{3}}\] of 0.5 N \[{{H}_{2}}S{{O}_{4}}\] to get decinormal concentration is                      [KCET (Engg.) 2001]
  A)
                  400 \[c{{m}^{3}}\]            done clear
  B)
                  500 \[c{{m}^{3}}\] done clear
  C)
                  450 \[c{{m}^{3}}\]            done clear
  D)
                  100 \[c{{m}^{3}}\] done clear
  View Solution play_arrow

• question_answer78)
  If 25 ml of 0.25 M NaCl solution is diluted with water to a volume of 500ml the new concentration of the solution is [UPSEAT 2000, 01]
  A)
                  0.167 M done clear
  B)
                  0.0125 M done clear
  C)
                  0.833 M done clear
  D)
                  0.0167 M done clear
  View Solution play_arrow

• question_answer79)
  10 grams of a solute is dissolved in 90 grams of a solvent. Its mass percent in solution is
  A)
                  0.01        done clear
  B)
                  11.1 done clear
  C)
                  10           done clear
  D)
                  9 done clear
  View Solution play_arrow

• question_answer80)
  What is the molality of a solution which contains 18 g of glucose \[({{C}_{6}}{{H}_{12}}{{O}_{6}})\] in 250 g of water                [UPSEAT 2001]
  A)
                  4.0 m      done clear
  B)
                  0.4 m done clear
  C)
                  4.2 m      done clear
  D)
                  0.8 m done clear
  View Solution play_arrow

• question_answer81)
  Calculate the molality of 1 litre solution of 93% \[{{H}_{2}}S{{O}_{4}}\](weight/volume). The density of the solution is     1.84 g /ml           [UPSEAT 2000]
  A)
                  10.43      done clear
  B)
                  20.36 done clear
  C)
                  12.05      done clear
  D)
                  14.05 done clear
  View Solution play_arrow

• question_answer82)
  Volume of water needed to mix with 10 ml  10N \[HN{{O}_{3}}\] to get 0.1 N \[HN{{O}_{3}}\]                [UPSEAT 2003]
  A)
                  1000 ml done clear
  B)
                  990 ml done clear
  C)
                  1010 ml done clear
  D)
                  10 ml done clear
  View Solution play_arrow

• question_answer83)
  The sum of the mole fraction of the components of a solution is
  A)
                  0              done clear
  B)
                  1 done clear
  C)
                  2              done clear
  D)
                  4 done clear
  View Solution play_arrow

• question_answer84)
  Increasing the temperature of an aqueous solution will cause [IIT Screening 1993]
  A)
                  Decrease in molality             done clear
  B)
                  Decrease in molarity done clear
  C)
                  Decrease in mole fraction     done clear
  D)
                  Decrease in % w/w done clear
  View Solution play_arrow

• question_answer85)
  1000 gms aqueous solution of \[CaC{{O}_{3}}\] contains 10 gms of carbonate. Concentration of the solution is                [CPMT 1985]
  A)
                  10 ppm  done clear
  B)
                  100 ppm done clear
  C)
                  1000 ppm              done clear
  D)
              10000 ppm done clear
  View Solution play_arrow

• question_answer86)
  3.65 gms of HCl is dissolved in 16.2 gms of water. The mole fraction of HCl in the resulting solution is                 [EAMCET 2003]
  A)
                  0.4          done clear
  B)
                  0.3 done clear
  C)
                  0.2          done clear
  D)
                  0.1 done clear
  View Solution play_arrow

• question_answer87)
  An aqueous solution of glucose is 10% in strength. The volume in which \[1gm\] mole of it is dissolved will be [AIIMS 1992; Pb. CET 2004]
  A)
                   18 litre   done clear
  B)
                  9 litre done clear
  C)
                   0.9 litre done clear
  D)
                  1.8 litre done clear
  View Solution play_arrow

• question_answer88)
  The concentration of an aqueous solution of \[0.01M\,C{{H}_{3}}OH\] solution is very nearly equal to which of the following                                        [BITS 1992]
  A)
                  \[0.01%\,C{{H}_{3}}OH\] done clear
  B)
                  \[0.01m\,C{{H}_{3}}OH\] done clear
  C)
                  \[{{x}_{C{{H}_{3}}OH}}=0.01\]    done clear
  D)
                  \[0.99M\,{{H}_{2}}O\] done clear
  E)
                  \[0.01N\,C{{H}_{3}}OH\] done clear
  View Solution play_arrow

• question_answer89)
  When \[1.80gm\] glucose dissolve in \[90\,gm\] of \[{{H}_{2}}O\], the mole fraction of glucose is           [AFMC 2000]
  A)
                  0.00399 done clear
  B)
                  0.00199 done clear
  C)
                  0.0199   done clear
  D)
                  0.998 done clear
  View Solution play_arrow

• question_answer90)
  \[6.02\times {{10}^{20}}\] molecules of urea are present in 100 ml of its solution. The concentration of urea solution is [AIEEE 2004]
  A)
                  0.02 M    done clear
  B)
                  0.01 M done clear
  C)
                  0.001 M done clear
  D)
                  0.1 M (Avogadro constant, \[{{N}_{A}}=6.02\times {{10}^{23}}mo{{l}^{-1}})\] done clear
  View Solution play_arrow

• question_answer91)
  The number of moles of \[S{{O}_{2}}C{{l}_{2}}\] in \[13.5gm\] is            [CPMT 1994]
  A)
                  0.1          done clear
  B)
                  0.2 done clear
  C)
                  0.3          done clear
  D)
                  0.4 done clear
  View Solution play_arrow

• question_answer92)
  The weight of \[{{H}_{2}}{{C}_{2}}{{O}_{4}}.\,2{{H}_{2}}O\] required to prepare \[500ml\] of \[0.2N\] solution is     [EAMCET 1991]
  A)
                  \[126g\] done clear
  B)
                  \[12.6g\] done clear
  C)
                  \[63g\]     done clear
  D)
                  \[6.3g\] done clear
  View Solution play_arrow

• question_answer93)
  In a solution of \[7.8\,gm\] benzene \[{{C}_{6}}{{H}_{6}}\] and \[46.0\,gm\] toluene \[({{C}_{6}}{{H}_{5}}C{{H}_{3}})\], the mole fraction of benzene in this solution is                                               [BHU 1981, 87]
  A)
                  \[1/6\]      done clear
  B)
                  \[1/5\] done clear
  C)
                  \[1/2\]      done clear
  D)
                  \[1/3\] done clear
  View Solution play_arrow

• question_answer94)
  A solution contains \[25%{{H}_{2}}O\],\[25%{{C}_{2}}{{H}_{5}}OH\] and \[50%\,C{{H}_{3}}\,COOH\] by mass. The mole fraction of \[{{H}_{2}}O\] would be
  A)
                  0.25        done clear
  B)
                  2.5 done clear
  C)
                  0.503      done clear
  D)
                  5.03 done clear
  View Solution play_arrow

• question_answer95)
  A 5 molar solution of \[{{H}_{2}}S{{O}_{4}}\] is diluted from 1 litre to 10 litres. What is the normality of the solution    [AFMC 2005]
  A)
                  0.25 N    done clear
  B)
                  1 N done clear
  C)
                  2 N          done clear
  D)
                  7 N done clear
  View Solution play_arrow

• question_answer96)
  Molarity of a solution containing \[1g\,NaOH\] in \[250ml\] of solution is                                     [EAMCET 1990]
  A)
                  \[0.1M\]  done clear
  B)
                  \[1M\] done clear
  C)
                  \[0.01\,M\]              done clear
  D)
                  \[0.001\,M\] done clear
  View Solution play_arrow

• question_answer97)
  What is molarity of a solution of HCl  which contains 49% by weight of solute and whose specific gravity is 1.41 [CPMT 2001; CBSE PMT 2001]
  A)
                  15.25      done clear
  B)
                  16.75 done clear
  C)
              18.92      done clear
  D)
                  20.08 done clear
  View Solution play_arrow

• question_answer98)
  \[NaClO\] solution reacts with \[{{H}_{2}}S{{O}_{3}}\] as, \[NaClO+{{H}_{2}}S{{O}_{3}}\to NaCl+{{H}_{2}}S{{O}_{4}}\]. A solution of \[NaClO\] used in the above reaction contained 15g of \[NaClO\] per litre. The normality of the solution would be               [AMU 1999]
  A)
                  0.8          done clear
  B)
                  0.6 done clear
  C)
                  0.2          done clear
  D)
                  0.33 done clear
  View Solution play_arrow

• question_answer99)
  A solution contains \[1.2046\times {{10}^{24}}\] hydrochloric acid molecules in one \[d{{m}^{3}}\] of the solution. The strength of the solution is              [KCET 2004]
  A)
                  6 N          done clear
  B)
                  2 N done clear
  C)
                  4 N          done clear
  D)
                  8 N done clear
  View Solution play_arrow

• question_answer100)
  \[10N\] and  \[\frac{1}{10}N\] solution is called
  A)
                  Decinormal and decanormal solution done clear
  B)
                  Normal and decinormal solution done clear
  C)
                  Normal and decanormal solution done clear
  D)
                  Decanormal and decinormal solution done clear
  View Solution play_arrow

• question_answer101)
  When \[7.1gm\,N{{a}_{2}}S{{O}_{4}}\] (molecular mass 142) dissolves in \[100\,ml\,{{H}_{2}}O\], the molarity of the solution is [CBSE PMT 1991; MP PET 1993, 95]
  A)
                  2.0 M      done clear
  B)
                  1.0 M done clear
  C)
                  0.5 M      done clear
  D)
                  0.05 M done clear
  View Solution play_arrow

• question_answer102)
  Molarity of 4% \[NaOH\] solution is                   [EAMCET 1987]
  A)
                  \[0.1M\] done clear
  B)
                  \[0.5M\] done clear
  C)
                  \[0.01M\]                done clear
  D)
                  \[1.0M\] done clear
  View Solution play_arrow

• question_answer103)
  When \[6gm\] urea dissolve in \[180\,gm\,{{H}_{2}}O\]. The mole fraction of urea is                                               [CPMT 1988]
  A)
                  \[\frac{10}{10.1}\]                done clear
  B)
                  \[\frac{10.1}{10}\] done clear
  C)
                  \[\frac{10.1}{0.1}\]               done clear
  D)
                  \[\frac{0.1}{10.1}\] done clear
  View Solution play_arrow

• question_answer104)
  The normality of 10% (weight/volume) acetic acid is [CPMT 1983]
  A)
                  1 N          done clear
  B)
                  10 N done clear
  C)
                  1.7 N      done clear
  D)
                  0.83 N done clear
  View Solution play_arrow

• question_answer105)
  Unit of mole fraction is         [BHU 1998, 2005]
  A)
                  Moles/litre              done clear
  B)
                  Moles/litre2 done clear
  C)
                  Moles?litre             done clear
  D)
                  Dimensionless done clear
  View Solution play_arrow

• question_answer106)
  Normality of \[2M\] sulphuric acid is                 [AIIMS 1991, 92; Pb. CET 2002]
  A)
                  \[2N\]      done clear
  B)
              \[4N\] done clear
  C)
                  \[N/2\]     done clear
  D)
                  \[N/4\] done clear
  View Solution play_arrow

• question_answer107)
  Molar concentration \[(M)\] of any solution =
  A)
                  \[\frac{\text{No}\text{. of moles of solute}}{\text{Volume of solution in litre}}\] done clear
  B)
                  \[\frac{\text{No}\text{. of gram equivalent of solute}}{\text{Volume of solution in litre}}\] done clear
  C)
                  \[\frac{\text{No}\text{. of moles of solute}}{\text{Mass of solvent in kg}}\] done clear
  D)
                  \[\frac{\text{No}\text{. of moles of any constituent}}{\text{Total no}\text{. of moles of all constituents}}\] done clear
  View Solution play_arrow

• question_answer108)
  If \[5.0gm\] of \[BaC{{l}_{2}}\] is present in \[{{10}^{6}}gm\] solution, the concentration is
  A)
                  1 ppm     done clear
  B)
                  5 ppm done clear
  C)
                  50 ppm  done clear
  D)
                  1000 ppm done clear
  View Solution play_arrow

• question_answer109)
  1 Molar solution contains  [DPMT 2002]
  A)
                  1000g of solute     done clear
  B)
                  1000g of solvent done clear
  C)
                  1 litre of solvent     done clear
  D)
              1 litre of solution done clear
  View Solution play_arrow

• question_answer110)
  To neutralise completely 20 mL of 0.1 M aqueous solution of phosphorous acid \[({{H}_{3}}P{{O}_{3}}),\] the volume of 0.1 M aqueous KOH solution required is                               [AIEEE 2004]
  A)
                  40 mL     done clear
  B)
                  20 mL done clear
  C)
                  10 mL     done clear
  D)
                  60 mL done clear
  View Solution play_arrow

• question_answer111)
   On dissolving 1 mole of each of the following acids in 1 litre water, the acid which does not give a solution of strength \[1N\] is                                        [MP PET 1993]
  A)
                  \[HCl\]     done clear
  B)
                  Perchloric acid done clear
  C)
                  \[HN{{O}_{3}}\]  done clear
  D)
                  Phosphoric acid done clear
  View Solution play_arrow

• question_answer112)
  How many grams of \[NaOH\] will be required to neutralize 12.2 grams of benzoic acid            [MP PMT 1999]
  A)
                  \[40\,gms\]              done clear
  B)
                  \[4gms\] done clear
  C)
                  \[16gms\]                done clear
  D)
                  \[12.2\,gms\] done clear
  View Solution play_arrow

• question_answer113)
  \[10ml\] of conc. \[{{H}_{2}}S{{O}_{4}}\] (18 molar) is diluted to 1 litre. The approximate strength of dilute acid could be             [JIPMER 1991]
  A)
                  0.18 N    done clear
  B)
                  0.09 N done clear
  C)
                  0.36 N    done clear
  D)
                  1800 N done clear
  View Solution play_arrow

• question_answer114)
  The normality of 10 lit. volume hydrogen peroxide is  [Kerala CET (Med.) 2003]
  A)
                  0.176      done clear
  B)
                  3.52 done clear
  C)
                  1.78        done clear
  D)
                  0.88 done clear
  E)
                  17.8 done clear
  View Solution play_arrow

• question_answer115)
  Essential quantity of ammonium sulphate taken for preparation of 1 molar solution in 2 litres is
  A)
                  \[132\,gm\]             done clear
  B)
              \[264\,gm\] done clear
  C)
                  \[198\,gm\]             done clear
  D)
                  \[212\,gm\] done clear
  View Solution play_arrow

• question_answer116)
  In a mixture  of 1 gm \[{{H}_{2}}\] and 8 gm \[{{O}_{2}}\], the mole fraction of hydrogen is                                 [Orissa JEE 2002]
  A)
              0.667      done clear
  B)
                  0.5 done clear
  C)
                  0.33        done clear
  D)
                  None of these done clear
  View Solution play_arrow

• question_answer117)
  A solution of \[CaC{{l}_{2}}\] is  \[0.5\,mol/litre\], then the moles of chloride ion in \[500ml\] will be     [MP PMT 1986]
  A)
                  0.25        done clear
  B)
                  0.50 done clear
  C)
                  0.75        done clear
  D)
                  1.00 done clear
  View Solution play_arrow

• question_answer118)
  What is the molarity of \[{{H}_{2}}S{{O}_{4}}\] solution, that has a density 1.84 gm/cc at \[{{35}^{o}}C\] and contains solute 98% by weight [AIIMS 2001]
  A)
  (a]           4.18 M    done clear
  B)
                  8.14 M done clear
  C)
                  18.4 M    done clear
  D)
                  18 M done clear
  View Solution play_arrow

• question_answer119)
  A certain aqueous solution of \[FeC{{l}_{3}}\] (formula mass =162) has a density of \[1.1\,g/ml\] and contains \[20.0%\,FeC{{l}_{3}}\]. Molar concentration of this solution is           [Pb. PMT 1998]
  A)
                  0.028      done clear
  B)
                  0.163 done clear
  C)
                  1.27        done clear
  D)
                  1.47 done clear
  View Solution play_arrow

• question_answer120)
  If 0.50 mol of \[CaC{{l}_{2}}\] is mixed with 0.20 mol of \[N{{a}_{3}}P{{O}_{4}}\], the maximum number of moles of \[C{{a}_{3}}{{(P{{O}_{4}})}_{2}}\] which can be formed, is                    [Pb. PMT 1998]
  A)
                  0.70        done clear
  B)
                  0.50 done clear
  C)
                  0.20        done clear
  D)
                  0.10 done clear
  View Solution play_arrow

• question_answer121)
  An \[X\] molal solution of a compound in benzene has mole fraction of solute equal to 0.2. The value of \[X\] is [KCET 1996; DCE 2001]
  A)
                  14           done clear
  B)
                  3.2 done clear
  C)
                  4              done clear
  D)
                  2 done clear
  View Solution play_arrow

• question_answer122)
  Molecular weight of urea is 60. A solution of urea containing \[6g\] urea in one litre is               [BHU 1996, 99]
  A)
                  1 molar   done clear
  B)
                  1.5 molar done clear
  C)
                  0.1 molar               done clear
  D)
                  0.01 molar done clear
  View Solution play_arrow

• question_answer123)
  The molar solution of sulphuric acid is equal to [MP PET 1999]
  A)
                  \[N\]solution          done clear
  B)
                  \[2N\]solution done clear
  C)
                  \[N/2\] solution      done clear
  D)
                  \[3N\]solution done clear
  View Solution play_arrow

• question_answer124)
  The weight of sodium carbonate required to prepare 500 ml of a semi­- normal solution is       [JIPMER 1999]
  A)
                  13.25 g   done clear
  B)
                  26.5 g done clear
  C)
                  53 g        done clear
  D)
                  6.125 g done clear
  View Solution play_arrow

• question_answer125)
  \[200ml\] of a solution contains \[5.85\,g\] dissolved sodium chloride. The concentration of the solution will be \[(Na=23;\,Cl=35.5)\]            [MP PMT 1999]
  A)
                  1 molar   done clear
  B)
                  2 molar done clear
  C)
                  0.5 molar               done clear
  D)
                  0.25 molar done clear
  View Solution play_arrow

• question_answer126)
  Molarity of a solution prepared by dissolving 75.5 g of pure KOH  in 540 ml solution is           [BHU 1999]
  A)
                  3.05 M    done clear
  B)
                  1.35 M done clear
  C)
                  2.50 M    done clear
  D)
                  4.50 M done clear
  View Solution play_arrow

• question_answer127)
  Which one of the following is an extensive property [KCET 1998]
  A)
                  Molar volume        done clear
  B)
                  Molarity done clear
  C)
                  Number of moles  done clear
  D)
                  Mole fraction done clear
  View Solution play_arrow

• question_answer128)
  Addition of conc. HCl to saturated \[BaC{{l}_{2}}\] solution precipitates \[BaC{{l}_{2}}\]; because      [AMU 2000]
  A)
                  It follows from Le Chatelier?s principle done clear
  B)
                  Of common-ion effect done clear
  C)
                  Ionic product \[(B{{a}^{++}}),\]\[(C{{l}^{-}})\]remains constant in a saturated solution done clear
  D)
                  At constant temperature, the product \[(B{{a}^{2+}}),\] \[{{(C{{l}^{-}})}^{2}}\] remains constant in a saturated solution done clear
  View Solution play_arrow

• question_answer129)
  How much water is needed to dilute 10 ml of 10 N hydrochloric acid to make it exactly decinormal (0.1 N) [EAMCET 1982]
  A)
                  990 ml    done clear
  B)
                  1000 ml done clear
  C)
                  1010 ml done clear
  D)
                  100 ml done clear
  View Solution play_arrow

• question_answer130)
  The formula weight of \[{{H}_{2}}S{{O}_{4}}\] is 98. The weight of the acid in \[400ml\]  of \[0.1M\] solution is               [EAMCET 1987]
  A)
                  \[2.45\,g\]               done clear
  B)
                  \[3.92\,g\] done clear
  C)
                  \[4.90\,g\]               done clear
  D)
                  \[9.8\,g\] done clear
  View Solution play_arrow

• question_answer131)
  The molarity of pure water is [CPMT 1974, 88, 90; CMC Vellore 1991; RPET 1999; NCERT 1974, 76; MP PMT 1999; AMU 2002]
  A)
                  55.6        done clear
  B)
                  5.56 done clear
  C)
                  100         done clear
  D)
                  18 done clear
  View Solution play_arrow

• question_answer132)
  The molarity of a \[0.2\,N\,N{{a}_{2}}C{{O}_{3}}\] solution will be [MP PMT 1987; Pb. CET 2004]
  A)
                  0.05 M    done clear
  B)
                  0.2 M done clear
  C)
                  0.1 M      done clear
  D)
                  0.4 M done clear
  View Solution play_arrow

• question_answer133)
  How many moles of water are present in 180 \[g\] of water [JIPMER 1991; DPMT 1982; Manipal MEE 1995]
  A)
                  1 mole    done clear
  B)
                  18 mole done clear
  C)
                  10 mole  done clear
  D)
                  100 mole done clear
  View Solution play_arrow

• question_answer134)
  If we take \[44g\] of \[C{{O}_{2}}\] and \[14g\] of \[{{N}_{2}}\] what will be mole fraction of \[C{{O}_{2}}\] in the mixture             [KCET 1990]
  A)
                  1/5          done clear
  B)
                  1/3 done clear
  C)
                  2/3          done clear
  D)
                  ¼ done clear
  View Solution play_arrow

• question_answer135)
  What is the volume of \[0.1\,N\,HCl\] required to react completely with \[1.0g\] of pure calcium carbonate \[(Ca=40,\,C=12\] and \[O=16)\]      [KCET 1998]
  A)
                  \[150\,c{{m}^{3}}\]           done clear
  B)
                  \[250\,c{{m}^{3}}\] done clear
  C)
              \[200\,c{{m}^{3}}\]        done clear
  D)
                  \[100\,c{{m}^{3}}\] done clear
  View Solution play_arrow

• question_answer136)
  The amount of \[NaOH\] in gms in \[250\,c{{m}^{3}}\] of a \[0.100\,M\,NaOH\] solution would be
  A)
                  4 gm       done clear
  B)
                  2 gm done clear
  C)
                  1 gm       done clear
  D)
                  2.5  gm done clear
  View Solution play_arrow

• question_answer137)
  4.0 gm of \[NaOH\] are contained in one decilitre of solution. Its molarity would be
  A)
                  4 M         done clear
  B)
                  2 M done clear
  C)
                  1 M         done clear
  D)
                  1.5 M done clear
  View Solution play_arrow

• question_answer138)
  When 90 gm of water is mixed with 300 gm of acetic acid. The total number of moles will be
  A)
                  5              done clear
  B)
                  10 done clear
  C)
                  15           done clear
  D)
                  20 done clear
  View Solution play_arrow

• question_answer139)
  A molal solution is one that contains one mole of a solute in                                                 [NCERT 1983; DPMT 1983; CPMT 1985; IIT 1986;                                                  MP PMT 1987; EAMCET 1990; MP PET 1994, 99]
  A)
                  1000 gm of the solvent done clear
  B)
                  One litre of the solvent done clear
  C)
                  One litre of the solution done clear
  D)
                  22.4 litres of the solution done clear
  View Solution play_arrow

• question_answer140)
  What weight of ferrous ammonium sulphate is needed to prepare 100 ml of 0.1 normal solution (mol. wt. 392) [CPMT 1983]
  A)
                  39.2 gm  done clear
  B)
                  3.92 gm done clear
  C)
                  1.96 gm  done clear
  D)
                  19.6 gm done clear
  View Solution play_arrow

• question_answer141)
  If 18 gm of glucose \[({{C}_{6}}{{H}_{12}}{{O}_{6}})\] is present in 1000 gm of an aqueous solution of glucose, it is said to be [CPMT 1986]
  A)
                  1 molal   done clear
  B)
                  1.1 molal done clear
  C)
                  0.5 molal                done clear
  D)
                  0.1 molal done clear
  View Solution play_arrow

• question_answer142)
  The number of moles of \[KCl\] in \[1000\,ml\] of 3 molar solution is                                            [NCERT 1973]
  A)
                  1              done clear
  B)
                  2 done clear
  C)
                  3              done clear
  D)
                  1.5 done clear
  View Solution play_arrow

• question_answer143)
  The unit of molality is           [Pb. CET 2003]
  A)
                  Mole per litre         done clear
  B)
                  Mole per kilogram done clear
  C)
                  Per mole per litre   done clear
  D)
                  Mole liter done clear
  View Solution play_arrow

• question_answer144)
  A solution contains 1 mole of water and 4 mole of ethanol. The mole fraction of water and ethanol will be
  A)
                  0.2 water + 0.8 ethanol done clear
  B)
                  0.4 water + 0.6 ethanol done clear
  C)
                  0.6 water + 0.8 ethanol done clear
  D)
                  0.8 water + 0.2 ethanol done clear
  View Solution play_arrow