JEE Main & Advanced Chemistry Equilibrium / साम्यावस्था Question Bank

done Common ion effect, Isohydric solutions, Solubility product, Ionic product of water and salt hydrolysis Total Questions - 116

• question_answer1)
  The expression for the solubility product of \[A{{l}_{2}}\,{{(S{{O}_{4}})}_{3}}\]is
  A)
                  \[{{K}_{sp}}=[A{{l}^{3+}}]\,\,(SO_{4}^{2-}]\]       done clear
  B)
                  \[{{K}_{sp}}={{[A{{l}^{3+}}]}^{2}}\,\,{{(SO_{4}^{2-}]}^{3}}\] done clear
  C)
                  \[{{K}_{sp}}={{[A{{l}^{3+}}]}^{3}}\,\,{{(SO_{4}^{2-}]}^{2}}\]         done clear
  D)
                  \[{{K}_{sp}}={{[A{{l}^{3+}}]}^{2}}\,\,{{(SO_{4}^{2-}]}^{2}}\] done clear
  View Solution play_arrow

• question_answer2)
  On addition of ammonium chloride to a solution of ammonium hydroxide            [CPMT 1976, 80, 81, 99; NCERT 1976, 77; MP PMT 1989, 99; DPMT 1983]
  A)
                  Dissociation of \[N{{H}_{4}}OH\]increases done clear
  B)
                  Concentration of \[O{{H}^{-}}\]increases done clear
  C)
                  Concentration of \[O{{H}^{-}}\]decreases done clear
  D)
                  Concentration of \[NH_{4}^{+}\] and \[O{{H}^{-}}\]increases done clear
  View Solution play_arrow

• question_answer3)
  The solubility product of a salt having general formula \[M{{X}_{2}},\] in water is: \[4\times {{10}^{-12}}\]. The concentration of \[{{M}^{2+}}\] ions in the aqueous solution of the salt is             [AIEEE 2005]
  A)
                  \[2.0\times {{10}^{-6}}M\]           done clear
  B)
                  \[1.0\times {{10}^{-4}}M\] done clear
  C)
                  \[1.6\times {{10}^{-4}}M\]           done clear
  D)
                  \[4.0\times {{10}^{-10}}M\] done clear
  View Solution play_arrow

• question_answer4)
  In a saturated solution of electrolyte, the ionic product of their concentration are constant at constant temperature and this constant for electrolyte is known as                 [CPMT 1983]
  A)
                  Ionic product     done clear
  B)
                  Solubility product done clear
  C)
                  Ionization constant         done clear
  D)
                  Dissociation constant done clear
  View Solution play_arrow

• question_answer5)
  If the solubility product \[{{K}_{sp}}\] of a sparingly soluble salt \[M{{X}_{2}}\] at \[25{}^\circ C\] is \[1.0\times {{10}^{-11}}\], the solubility of the salt in mole litre?1 at this temperature will be                [RPMT 2000]
  A)
                  \[2.46\times {{10}^{14}}\]            done clear
  B)
                  \[1.36\times {{10}^{-4}}\] done clear
  C)
                  \[2.60\times {{10}^{-7}}\]             done clear
  D)
                  \[1.20\times {{10}^{-10}}\] done clear
  View Solution play_arrow

• question_answer6)
  The unit of ionic product of water \[{{K}_{w}}\] are [UPSEAT 2001, 02]
  A)
                  \[Mo{{l}^{-1}}{{L}^{-1}}\]             done clear
  B)
                  \[Mo{{l}^{-2}}{{L}^{-2}}\] done clear
  C)
                  \[Mo{{l}^{-2}}{{L}^{-1}}\]             done clear
  D)
                  \[Mo{{l}^{2}}{{L}^{-2}}\] done clear
  View Solution play_arrow

• question_answer7)
  A solution which is \[{{10}^{-3}}M\] each in \[M{{n}^{2+}},\,F{{e}^{2+}},\,Z{{n}^{2+}}\] and \[H{{g}^{2+}}\] is treated with \[{{10}^{-16}}M\] sulphide ion. If \[{{K}_{sp}}\] of \[MnS,\,FeS,\,ZnS\] and \[HgS\] are \[{{10}^{-15}},\,{{10}^{-23}},\,{{10}^{-20}}\] and \[{{10}^{-54}}\] respectively, which one will precipitate first [IIT Screening 2003]
  A)
                  \[FeS\] done clear
  B)
                  \[MgS\] done clear
  C)
                  \[HgS\] done clear
  D)
                  \[ZnS\] done clear
  View Solution play_arrow

• question_answer8)
  Let the solubility of an aqueous solution of \[Mg{{(OH)}_{2}}\] be x then its \[{{k}_{sp}}\] is        [AIEEE 2002]
  A)
                  \[4{{x}^{3}}\]     done clear
  B)
                  \[108{{x}^{5}}\] done clear
  C)
                  \[27{{x}^{4}}\]   done clear
  D)
                  \[9x\] done clear
  View Solution play_arrow

• question_answer9)
  The solubility product of \[BaS{{O}_{4}}\] at \[25{}^\circ C\] is \[1.0\times {{10}^{-9}}\]. What would be the concentration of \[{{H}_{2}}S{{O}_{4}}\] necessary to precipitate \[BaS{{O}_{4}}\] from a solution of \[0.01\,M\,B{{a}^{2+}}\]ions [RPMT 1999]
  A)
                  \[{{10}^{-9}}\]   done clear
  B)
                  \[{{10}^{-8}}\] done clear
  C)
                  \[{{10}^{-7}}\]   done clear
  D)
                  \[{{10}^{-6}}\] done clear
  View Solution play_arrow

• question_answer10)
  The solubility in water of a sparingly soluble salt \[A{{B}_{2}}\] is \[1.0\times {{10}^{-5}}mol\,{{l}^{-1}}\]. Its solubility product number will be [AIEEE 2003]
  A)
                  \[4\times {{10}^{-15}}\]                done clear
  B)
                  \[4\times {{10}^{-10}}\] done clear
  C)
                  \[1\times {{10}^{-15}}\]                done clear
  D)
                  \[1\times {{10}^{-10}}\] done clear
  View Solution play_arrow

• question_answer11)
  The solubility of \[Ca{{F}_{2}}\] is a moles/litre. Then its solubility product is ?..                                  [Orissa JEE 2002]
  A)
                  \[{{s}^{2}}\]        done clear
  B)
                  \[4{{s}^{3}}\] done clear
  C)
                  \[3{{s}^{2}}\]     done clear
  D)
                  \[{{s}^{3}}\] done clear
  View Solution play_arrow

• question_answer12)
  On passing a current of \[HCl\] gas in a saturated solution of \[NaCl,\] the solubility of \[NaCl\] [CPMT 1989; CBSE PMT 1989]
  A)
                  Increases             done clear
  B)
                  Decreases done clear
  C)
                  Remains unchanged       done clear
  D)
                  \[NaCl\]decomposes done clear
  View Solution play_arrow

• question_answer13)
  Which is the correct representation of the solubility product constant of \[A{{g}_{2}}Cr{{O}_{4}}\]            [NCERT 1974, 75]
  A)
                  \[{{[A{{g}^{+}}]}^{2}}\,[CrO_{4}^{-2}]\] done clear
  B)
                  \[[A{{g}^{+}}]\,\,[CrO_{4}^{-2}]\] done clear
  C)
                  \[[2A{{g}^{+}}]\,\,[CrO_{4}^{-2}]\]          done clear
  D)
                  \[{{[2A{{g}^{+}}]}^{2}}\,\,[CrO_{4}^{-2}]\] done clear
  View Solution play_arrow

• question_answer14)
  The solubility of \[Ca{{F}_{2}}\] is\[2\times {{10}^{-4}}\,moles/litre.\] Its solubilily product \[({{K}_{sp}})\] is        [NCERT 1981; BHU 1983, 86; MP PET 1992; CBSE PMT 1999]
  A)
                  \[2.0\times {{10}^{-4}}\]               done clear
  B)
                  \[4.0\times {{10}^{-3}}\] done clear
  C)
                  \[8.0\times {{10}^{-12}}\]             done clear
  D)
                  \[3.2\times {{10}^{-11}}\] done clear
  View Solution play_arrow

• question_answer15)
  Solubility product of a sulphide MS is \[3\times {{10}^{-25}}\]and that of another sulphide NS is \[4\times {{10}^{-40}}\]. In ammoniacal solution [NCERT 1981]
  A)
                  Only NS gets precipitated done clear
  B)
                  Only MS gets precipitated done clear
  C)
                  No sulphide precipitates done clear
  D)
                  Both sulphides precipitate done clear
  View Solution play_arrow

• question_answer16)
  Which of the following salts when dissolved in water will get hydrolysed [MNR 1985; CPMT 1989; CBSE PMT 1989; MP PET 1999]
  A)
                  \[NaCl\]               done clear
  B)
                  \[N{{H}_{4}}Cl\] done clear
  C)
                  \[KCl\]  done clear
  D)
                  \[N{{a}_{2}}S{{O}_{4}}\] done clear
  View Solution play_arrow

• question_answer17)
  The aqueous solution of \[FeC{{l}_{3}}\] is acidic due to [CPMT 1972, 79, 83, 84; MP PET/PMT 1988; RPMT 2000]
  A)
                  Acidic impurities               done clear
  B)
                  Ionisation done clear
  C)
                  Hydrolysis           done clear
  D)
                  Dissociation done clear
  View Solution play_arrow

• question_answer18)
  A precipitate of \[AgCl\] is formed when equal volumes of the following are mixed. \[[{{K}_{sp}}\] for \[AgCl={{10}^{-10}}]\]   [KCET 2005]
  A)
                  \[{{10}^{-4}}M\,AgN{{O}_{3}}\] and \[{{10}^{-7}}M\,HCl\] done clear
  B)
                  \[{{10}^{-5}}M\,AgN{{O}_{3}}\] and \[{{10}^{-6}}M\,HCl\] done clear
  C)
                  \[{{10}^{-5}}M\,AgN{{O}_{3}}\] and \[{{10}^{-4}}M\,HCl\] done clear
  D)
                  \[{{10}^{-6}}M\,AgN{{O}_{3}}\] and \[{{10}^{-6}}M\,HCl\] done clear
  View Solution play_arrow

• question_answer19)
  The solubility of silver chromate in 0.01 M \[{{K}_{2}}Cr{{O}_{4}}\] is \[2\times {{10}^{-8}}mol\,d{{m}^{-3}}\]. The solubility product of silver chromate will be                                            [MH CET 2000]
  A)
                  \[8\times {{10}^{-24}}\]                done clear
  B)
                  \[16\times {{10}^{-24}}\] done clear
  C)
                  \[1.6\times {{10}^{-18}}\]             done clear
  D)
                  \[16\times {{10}^{-18}}\] done clear
  View Solution play_arrow

• question_answer20)
  Some salts although containing two different metallic elements give test for only one of them in solution. Such salts are                 [MNR 1979]
  A)
                  Double salts       done clear
  B)
                  Normal salts done clear
  C)
                  Complex salts done clear
  D)
                  Basic salts done clear
  View Solution play_arrow

• question_answer21)
  What is the \[pH\] value of \[\frac{N}{1000}\,KOH\] solution [CPMT 1975; MNR 1986, 91; Pb. CET 2004]
  A)
                  \[{{10}^{-11}}\] done clear
  B)
                  3 done clear
  C)
                  2              done clear
  D)
                  11 done clear
  View Solution play_arrow

• question_answer22)
  Mohr's salt is a                                  [MNR 1986]
  A)
                  Normal salt         done clear
  B)
                  Acid salt done clear
  C)
                  Basic salt              done clear
  D)
                  Double salt done clear
  View Solution play_arrow

• question_answer23)
  Aqueous solution of sodium acetate is [MNR 1978; CPMT 1971, 80, 81; MADT Bihar 1982; MP PMT 1985;]
  A)
                  Neutral                 done clear
  B)
                  Weakly acidic done clear
  C)
                  Strongly acidic   done clear
  D)
                  Alkaline done clear
  View Solution play_arrow

• question_answer24)
  Which is the correct alternate for hydrolysis constant of \[N{{H}_{4}}CN\]            [CBSE PMT 1989]
  A)
                  \[\sqrt{\frac{{{K}_{w}}}{{{K}_{a}}}}\]      done clear
  B)
                  \[\frac{{{K}_{w}}}{{{K}_{a}}\times {{K}_{b}}}\] done clear
  C)
                  \[\sqrt{\frac{{{K}_{b}}}{c}}\]       done clear
  D)
                  \[\frac{{{K}_{a}}}{{{K}_{b}}}\] done clear
  View Solution play_arrow

• question_answer25)
  Which of the following salts undergoes hydrolysis [CPMT 1972, 74, 78; DPMT 1985]
  A)
                  \[C{{H}_{3}}COONa\]     done clear
  B)
                  \[KN{{O}_{3}}\] done clear
  C)
                  \[NaCl\]               done clear
  D)
                  \[{{K}_{2}}S{{O}_{4}}\] done clear
  View Solution play_arrow

• question_answer26)
  What will happen if \[CC{{l}_{4}}\] is treated with \[AgN{{O}_{3}}\] [DPMT 1983]
  A)
                  A white ppt. of \[AgCl\] will form done clear
  B)
                  \[N{{O}_{2}}\] will be evolved done clear
  C)
                  \[CC{{l}_{4}}\] will dissolve in \[AgN{{O}_{3}}\] done clear
  D)
                  Nothing will happen done clear
  View Solution play_arrow

• question_answer27)
  The correct representation for solubility product of \[Sn{{S}_{2}}\]is                                                 [CPMT 1977; MP PET 1999;RPMT 2000]
  A)
                  \[3\times {{10}^{-2}}\,M\]           done clear
  B)
                  \[[S{{n}^{2+}}]\,\,{{[{{S}^{2-}}]}^{2}}\] done clear
  C)
                  \[[S{{n}^{2+}}]\,\,[2{{S}^{2-}}]\]               done clear
  D)
                  \[[S{{n}^{4+}}]\,\,{{[2{{S}^{2-}}]}^{2}}\] done clear
  View Solution play_arrow

• question_answer28)
  A precipitate of calcium oxalate will not dissolve in [CPMT 1971, 89; IIT 1986]
  A)
                  \[HCl\]  done clear
  B)
                  \[HN{{O}_{3}}\] done clear
  C)
                  Aquaregia           done clear
  D)
                  \[C{{H}_{3}}COOH\] done clear
  View Solution play_arrow

• question_answer29)
  Baking soda is                                    [RPMT 2000]
  A)
                  Basic salt              done clear
  B)
                  Acidic salt done clear
  C)
                  Complex salt      done clear
  D)
                  Double salt done clear
  View Solution play_arrow

• question_answer30)
  Which one of the following substances will be a mixed salt [DPMT 1982; CPMT 1972]
  A)
                  \[NaHC{{O}_{3}}\] done clear
  B)
                  \[Ca(OCl)Cl\] done clear
  C)
                  \[{{K}_{2}}S{{O}_{4}}\,A{{l}_{2}}{{(S{{O}_{4}})}_{3}}.24{{H}_{2}}O\] done clear
  D)
                  \[Mg\,(OH)Br\] done clear
  View Solution play_arrow

• question_answer31)
  Solubility product of \[BaC{{l}_{2}}\] is \[4\times {{10}^{-9}}\]. Its solubility in moles/litre would be [AFMC 1982; Roorkee 1990; BHU 2000]
  A)
                  \[1\times {{10}^{-3}}\]   done clear
  B)
                  \[1\times {{10}^{-9}}\] done clear
  C)
                  \[4\times {{10}^{-27}}\]                done clear
  D)
                  \[1\times {{10}^{-27}}\] done clear
  View Solution play_arrow

• question_answer32)
  Which hydroxide will have lowest value of solubility product at normal  temperature \[({{25}^{o}}C)\]    [IIT 1990; RPMT 1997]
  A)
                  \[Mg\,{{(OH)}_{2}}\]      done clear
  B)
                  \[Ca\,{{(OH)}_{2}}\] done clear
  C)
                  \[Ba\,{{(OH)}_{2}}\]        done clear
  D)
                  \[Be\,{{(OH)}_{2}}\] done clear
  View Solution play_arrow

• question_answer33)
  Which will not be hydrolysed      [MP PMT 1989]
  A)
                  Potassium nitrate done clear
  B)
                  Potassium cyanide done clear
  C)
                  Potassium succinate done clear
  D)
                  Potassium carbonate done clear
  View Solution play_arrow

• question_answer34)
  Which pair will show common ion effect [MP PMT 1990, 99; Pb. PMT 2001]
  A)
                  \[BaC{{l}_{2}}+Ba\,{{(N{{O}_{3}})}_{2}}\]              done clear
  B)
                  \[NaCl+HCl\] done clear
  C)
                  \[N{{H}_{4}}OH+N{{H}_{4}}Cl\] done clear
  D)
                  \[AgCN+KCN\] done clear
  View Solution play_arrow

• question_answer35)
  Which is least soluble in water   [UPSEAT 1999]
  A)
                  \[AgCl\]                done clear
  B)
                  \[AgF\] done clear
  C)
                  \[AgI\]  done clear
  D)
                  \[A{{g}_{2}}S\] done clear
  View Solution play_arrow

• question_answer36)
  A white salt is readily soluble in water and gives a colourless solution with a \[pH\]of about 9. The salt would be [Pb. PMT 1998]
  A)
                  \[N{{H}_{4}}N{{O}_{3}}\]              done clear
  B)
                  \[C{{H}_{3}}COONa\] done clear
  C)
                  \[C{{H}_{3}}COON{{H}_{4}}\]     done clear
  D)
                  \[CaC{{O}_{3}}\] done clear
  View Solution play_arrow

• question_answer37)
  If acetic acid mixed with sodium acetate, then \[{{H}^{+}}\]ion concentration will be       [Roorkee 1995]
  A)
                  Increased            done clear
  B)
                  Decreased done clear
  C)
                  Remains unchanged       done clear
  D)
                  \[pH\]Decreased done clear
  View Solution play_arrow

• question_answer38)
  Solubility of \[AgCl\] will be minimum in [CBSE PMT 1995]
  A)
                  \[0.001\,M\,AgN{{O}_{3}}\]        done clear
  B)
                  Pure water done clear
  C)
                  \[0.30\,\,M\]     done clear
  D)
                  \[0.01\,M\,NaCl\] done clear
  View Solution play_arrow

• question_answer39)
  In absence of formation of complex ions by the addition of a common ion, the solubility of a given salt is               [BHU 1979]
  A)
                  Increased done clear
  B)
                  Decreased done clear
  C)
                  Unaffected done clear
  D)
                  First increased and then decreased done clear
  View Solution play_arrow

• question_answer40)
  At 298 K, the solubility product of \[PbC{{l}_{2}}\] is \[1.0\times {{10}^{-6}}\]. What will be the solubility of \[PbC{{l}_{2}}\]in moles/litre [MP PMT 1990; CPMT 1985, 96]
  A)
                  \[6.3\times {{10}^{-3}}\]               done clear
  B)
                  \[1.0\times {{10}^{-3}}\] done clear
  C)
                  \[3.0\times {{10}^{-3}}\]               done clear
  D)
                  \[4.6\times {{10}^{-14}}\] done clear
  View Solution play_arrow

• question_answer41)
  Solubility product is         [CET Pune 1998]
  A)
                  The ionic product of an electrolyte in its saturated solution done clear
  B)
                  The product of the solubilities of the ions of the electrolyte done clear
  C)
                  The product of solubilities of the salts done clear
  D)
                  The product of the concentration of the ions done clear
  View Solution play_arrow

• question_answer42)
  Ionic product of water increases, if [AMU 1983; MP PET 1986; MP PET/PMT 1988; JIPMER 2002]
  A)
                  Pressure is reduced        done clear
  B)
                  \[{{H}^{+}}\]is added done clear
  C)
                  \[O{{H}^{-}}\]is added   done clear
  D)
                  Temperature increases done clear
  View Solution play_arrow

• question_answer43)
  Which one is a mixed salt             [DPMT 1985]
  A)
                  \[NaHS{{O}_{4}}\]           done clear
  B)
                  \[NaKS{{O}_{4}}\] done clear
  C)
                  \[{{K}_{4}}Fe{{(CN)}_{6}}\]          done clear
  D)
                  \[Mg(OH)Cl\] done clear
  View Solution play_arrow

• question_answer44)
  If \[{{K}_{sp}}\] for \[HgS{{O}_{4}}\] is \[6.4\times {{10}^{-5}},\] then solubility of the salt is [AFMC 1997; KCET 2000;  CPMT 2000; JIPMER 2001]
  A)
                  \[8\times {{10}^{-3}}\]   done clear
  B)
                  \[8\times {{10}^{-6}}\] done clear
  C)
                  \[6.4\times {{10}^{-5}}\]               done clear
  D)
                  \[6.4\times {{10}^{-3}}\] done clear
  View Solution play_arrow

• question_answer45)
  The solubility of \[BaS{{O}_{4}}\] in water is \[2.33\times {{10}^{-3}}\,gm/litre.\] Its solubility product will be (molecular weight of \[BaS{{O}_{4}}=233)\]               [AIIMS 1998]
  A)
                  \[1\times {{10}^{-5}}\]   done clear
  B)
                  \[1\times {{10}^{-10}}\] done clear
  C)
                  \[1\times {{10}^{-15}}\]                done clear
  D)
                  \[1\times {{10}^{-20}}\] done clear
  View Solution play_arrow

• question_answer46)
  The solubility of \[AgCl\] in \[0.2\,\,M\,\,NaCl\] solution \[({{K}_{sp}}\]for \[AgCl=1.20\times {{10}^{-10}})\] is   [MP PET 1996]
  A)
                  \[0.2\,\,M\]        done clear
  B)
                  \[1.2\times {{10}^{-10}}\,M\] done clear
  C)
                  \[0.2\times {{10}^{-10}}\,M\]     done clear
  D)
                  \[0.2\times {{10}^{-10}}\,M\] done clear
  View Solution play_arrow

• question_answer47)
  The solubility of \[AgI\] in \[NaI\] solution is less than that in pure water because             [UPSEAT 2001]
  A)
                  AgI forms complex with NaI done clear
  B)
                  Of common ion effect done clear
  C)
                  Solubility product of AgI is less than that of NaI done clear
  D)
                  The temperature of the solution decreases done clear
  View Solution play_arrow

• question_answer48)
  The solubility product of \[BaS{{O}_{4}}\] is \[1.5\times {{10}^{-9}}.\] The precipitation in a 0.01 \[M\,\,B{{a}^{2+}}\]solution will start, on adding \[{{H}_{2}}S{{O}_{4}}\] of concentration       [CPMT 1988]
  A)
                  \[{{10}^{-9}}M\]               done clear
  B)
                  \[{{10}^{-8}}M\] done clear
  C)
                  \[{{10}^{-7}}M\]               done clear
  D)
                  \[{{10}^{-6}}M\] done clear
  View Solution play_arrow

• question_answer49)
  At \[{{20}^{o}}C,\] the \[A{{g}^{+}}\]ion concentration in a saturated solution of \[A{{g}_{2}}Cr{{O}_{4}}\] is\[1.5\times {{10}^{-4}}\,mole/litre.\] At \[{{20}^{o}}C,\]the solubility product of \[A{{g}_{2}}Cr{{O}_{4}}\] would be [MP PET 1997; MP PMT 1999]
  A)
                  \[3.3750\times {{10}^{-12}}\]      done clear
  B)
                  \[1.6875\times {{10}^{-10}}\] done clear
  C)
                  \[1.6875\times {{10}^{-12}}\]      done clear
  D)
                  \[1.6875\times {{10}^{-11}}\] done clear
  View Solution play_arrow

• question_answer50)
  The solubility of \[PbC{{l}_{2}}\]is             [MP PMT 1995; DCE 1999]
  A)
                  \[\sqrt{{{K}_{sp}}}\]       done clear
  B)
                  \[^{3}\sqrt{{{K}_{sp}}}\] done clear
  C)
                  \[^{3}\sqrt{\frac{{{K}_{sp}}}{4}}\]            done clear
  D)
                  \[\sqrt{8{{K}_{sp}}}\] done clear
  View Solution play_arrow

• question_answer51)
  The solubility product of \[1\times {{10}^{-5}}\] is \[1.44\times {{10}^{-4}}\] at\[{{100}^{o}}C\]. The solubility of silver chloride in boiling water may be [MP PMT 1994; Bihar MEE 1998]
  A)
                  \[0.72\times {{10}^{-4}}\,M\]     done clear
  B)
                  \[1.20\times {{10}^{-2}}\,M\] done clear
  C)
                  \[{{80}^{o}}C,\] done clear
  D)
                  \[0.5\,M\,HCOOH,\] done clear
  View Solution play_arrow

• question_answer52)
  If the solubility of a sparingly soluble salt of the type \[B{{A}_{2}}\] (giving three ions on dissociation of a molecule) is \[x\] moles per litre, then its solubility product is given by       [BHU 1987]
  A)
                  \[{{x}^{2}}\] done clear
  B)
                  \[2{{x}^{3}}\] done clear
  C)
                  \[4{{x}^{2}}\]     done clear
  D)
                  \[4{{x}^{3}}\] done clear
  View Solution play_arrow

• question_answer53)
  The solubility product of \[A{{g}_{2}}Cr{{O}_{4}}\]is \[32\times {{10}^{-12}}\]. What is the concentration of \[CrO_{4}^{-}\] ions in that solution [BHU 1997; DPMT 2004]
  A)
                  \[2\times {{10}^{-4}}\,m/s\]       done clear
  B)
                  \[16\times {{10}^{-4}}\,m/s\] done clear
  C)
                  \[8\times {{10}^{-4}}\,m/s\]       done clear
  D)
                  \[8\times {{10}^{-8}}\,m/s\] done clear
  View Solution play_arrow

• question_answer54)
  The addition of \[HCl\] will not suppress the ionization of [MP PET 1993]
  A)
                  Acetic acid           done clear
  B)
                  Benzoic acid done clear
  C)
                  \[{{H}_{2}}S\]    done clear
  D)
                  Sulphuric acid done clear
  View Solution play_arrow

• question_answer55)
  On the addition of a solution containing \[Cr{{O}_{4}}^{2-}\]ions to the solution of \[B{{a}^{2+}},\,\,S{{r}^{2+}}\] and \[C{{a}^{2+}}\]ions, the precipitate obtained first  will be of         [MP PMT 1993]
  A)
                  \[CaCr{{O}_{4}}\]             done clear
  B)
                  \[SrCr{{O}_{4}}\] done clear
  C)
                  \[BaCr{{O}_{4}}\]             done clear
  D)
                  Mixture of A, B, C done clear
  View Solution play_arrow

• question_answer56)
  The solubility product of a sparingly soluble salt \[AB\] at room temperature is \[1.21\times {{10}^{-6}}\]. Its molar solubility is [CPMT 1987; MP PET 2001]
  A)
                  \[1.21\times {{10}^{-6}}\]             done clear
  B)
                  \[1.21\times {{10}^{-3}}\] done clear
  C)
                  \[1.1\times {{10}^{-4}}\]               done clear
  D)
                  \[1.1\times {{10}^{-4}}\] done clear
  View Solution play_arrow

• question_answer57)
  The precipitation occurs if ionic concentration is [AFMC 1995; J & K 2005]
  A)
                  Less than solubility product done clear
  B)
                  More than solubility product done clear
  C)
                  Equal to solubility product done clear
  D)
                  None of these done clear
  View Solution play_arrow

• question_answer58)
  If \[S\] and \[{{K}_{sp}}\] are respectively solubility and solubility product of a sparingly soluble binary electrolyte, then [CPMT 1988; MP PMT 1999]
  A)
                  \[S={{K}_{sp}}\]                done clear
  B)
                  \[S=K_{sp}^{2}\] done clear
  C)
                  \[S=\sqrt{{{K}_{sp}}}\]  done clear
  D)
                  \[S=\frac{1}{2}{{K}_{sp}}\] done clear
  View Solution play_arrow

• question_answer59)
  Any precipitate is formed when                                                 [AIIMS 1982; DPMT 1985; KCET 1999; MP PMT 2004]
  A)
                  Solution becomes saturated done clear
  B)
                  The value of ionic product is less that than the value of solubility product done clear
  C)
                  The value of ionic product is equal than the value of solubility product done clear
  D)
                  The value of ionic product is greater than the value of solubility product done clear
  View Solution play_arrow

• question_answer60)
  The solubility product of \[AgCl\] is \[4.0\times {{10}^{-10}}\] at \[298\,\,K.\] The solubility of \[AgCl\]in \[0.04\,m\,\,CaC{{l}_{2}}\] will be [KCET 1996]
  A)
                  \[2.0\times {{10}^{-5}}\,m\]        done clear
  B)
                  \[1.0\times {{10}^{-4}}\,m\] done clear
  C)
                  \[5.0\times {{10}^{-9}}\,m\]        done clear
  D)
                  \[2.2\times {{10}^{-4}}\,m\] done clear
  View Solution play_arrow

• question_answer61)
  Hydrolysis of sodium acetate will give     [MNR 1978]
  A)
                  Acidic solution   done clear
  B)
                  Basic solution done clear
  C)
                  Neutral solution               done clear
  D)
                  Normal solution done clear
  View Solution play_arrow

• question_answer62)
  If the solubility product of \[BaS{{O}_{4}}\]is \[1.5\times {{10}^{-9}}\]in water, its solubility in moles per litre, is [BHU 1995; MP PET 1995; UPSEAT 204]
  A)
                  \[1.5\times {{10}^{-9}}\]               done clear
  B)
                  \[3.9\times {{10}^{-5}}\] done clear
  C)
                  \[7.5\times {{10}^{-5}}\]               done clear
  D)
                  \[1.5\times {{10}^{-5}}\] done clear
  View Solution play_arrow

• question_answer63)
  On passing \[{{H}_{2}}S\] gas through a highly acidic solution containing \[C{{d}^{2+}}\]ions, \[CdS\]is not precipitated because
  A)
                  Of common ion effect done clear
  B)
                  The solubility of \[CdS\]is low done clear
  C)
                  \[C{{d}^{2+}}\]ions do not form complex with \[{{H}_{2}}S\] done clear
  D)
                  The solubility product of \[CdS\] is low done clear
  View Solution play_arrow

• question_answer64)
  Which of the following will occur if a 0.1 M solution of a weak acid is diluted to \[0.01\,M\] at constant temperature [UPSEAT 2001, 02]
  A)
                  \[[{{H}^{+}}]\] will decrease to 0.01 M done clear
  B)
                  \[pH\] will decrease  done clear
  C)
                  Percentage ionization will increase done clear
  D)
                  \[{{K}_{a}}\] will increase done clear
  View Solution play_arrow

• question_answer65)
  If solubility of calcium hydroxide is \[\sqrt{3}\], then its solubility product will be                                               [MH CET 2002]
  A)
                  27           done clear
  B)
                  3 done clear
  C)
                  9              done clear
  D)
                  \[12\sqrt{3}\] done clear
  View Solution play_arrow

• question_answer66)
  When \[N{{H}_{4}}Cl\] is added to \[N{{H}_{4}}OH\] solution, the dissociation of ammonium hydroxide is reduced. It is due to [MP PMT 1993]
  A)
                  Common ion effect         done clear
  B)
                  Hydrolysis done clear
  C)
                  Oxidation            done clear
  D)
                  Reduction done clear
  View Solution play_arrow

• question_answer67)
  At 298 K, the solubility of \[PbC{{l}_{2}}\] is \[2\times {{10}^{-2}}mol/lit\], then \[{{k}_{sp}}=\]                                   [RPMT 2002]
  A)
                  \[1\times {{10}^{-7}}\]   done clear
  B)
                  \[3.2\times {{10}^{-7}}\] done clear
  C)
                  \[1\times {{10}^{-5}}\]   done clear
  D)
                  \[3.2\times {{10}^{-5}}\] done clear
  View Solution play_arrow

• question_answer68)
  The solubility product of silver sulphide is \[3.2\times {{10}^{-11}}.\]Its solubility at the experimental temperature is
  A)
                  \[2\times {{10}^{-4}}\]moles per litre done clear
  B)
                  \[6\times {{10}^{-6}}\]moles per litre done clear
  C)
                  \[1.2\times {{10}^{-5}}\]moles per litre done clear
  D)
                  \[8\times {{10}^{-4}}\]moles per litre done clear
  View Solution play_arrow

• question_answer69)
  The solubility of \[CaC{{O}_{3}}\]in water is \[3.05\times {{10}^{-4}}moles/litre.\] Its solubility product will be     [MP PMT 1997]
  A)
                  \[3.05\times {{10}^{-4}}\]             done clear
  B)
                  10 done clear
  C)
                  \[6.1\times {{10}^{-4}}\]               done clear
  D)
                  \[9.3\times {{10}^{-8}}\] done clear
  View Solution play_arrow

• question_answer70)
  Solubility of \[Ba{{F}_{2}}\] in a solution \[Ba{{(N{{O}_{3}})}_{2}}\] will be represents by the concentration term [UPSEAT 2001, 02; CPMT 2002]
  A)
                  \[[B{{a}^{++}}]\]              done clear
  B)
                  \[[{{F}^{-}}]\] done clear
  C)
                  \[\frac{1}{2}[{{F}^{-}}]\]                done clear
  D)
                  \[2\,[NO_{3}^{-}]\] done clear
  View Solution play_arrow

• question_answer71)
  The solubility of \[PbC{{l}_{2}}\] at \[{{25}^{o}}C\] is \[6.3\times {{10}^{-3}}\]mole/litre. Its solubility product at that temperature is [NCERT 1979; CPMT 1985]
  A)
                  \[(6.3\times {{10}^{-3}})\times (6.3\times {{10}^{-3}})\] done clear
  B)
                  \[(6.3\times {{10}^{-3}})\times (12.6\times {{10}^{-3}})\] done clear
  C)
                  \[(6.3\times {{10}^{-3}})\times {{(12.6\times {{10}^{-3}})}^{2}}\] done clear
  D)
                  \[(12.6\times {{10}^{-3}})\times (12.6\times {{10}^{-3}})\] done clear
  View Solution play_arrow

• question_answer72)
  Which of the following cannot be hydrolysed [MP PMT 1996]
  A)
                  A salt of weak acid and strong base done clear
  B)
                  A salt of strong acid and weak base done clear
  C)
                  A salt of weak acid and weak base done clear
  D)
                  A salt of strong acid and strong base done clear
  View Solution play_arrow

• question_answer73)
  \[pH\]of water is 7. When a substance \[Y\]is dissolved in water, the \[pH\]becomes 13. The substance \[Y\]is a salt of [MP PMT 1997]
  A)
                  Strong acid and strong base done clear
  B)
                  Weak acid and weak base done clear
  C)
                  Strong acid and weak base done clear
  D)
                  Weak acid and strong base done clear
  View Solution play_arrow

• question_answer74)
  Which is a basic salt         [MP PMT 1985]
  A)
                  \[PbS\] done clear
  B)
                  \[PbC{{O}_{3}}\] done clear
  C)
                  \[PbS{{O}_{4}}\]               done clear
  D)
                  \[2PbC{{O}_{3}}.Pb{{(OH)}_{2}}\] done clear
  View Solution play_arrow

• question_answer75)
  The saturated solution of \[A{{g}_{2}}S{{O}_{4}}\] is \[2.5\times {{10}^{-2}}\,M.\] Its solubility product \[({{K}_{sp}})\] is                  [NCERT 1980]
  A)
                  \[62.5\times {{10}^{-6}}\]             done clear
  B)
                  \[6.25\times {{10}^{-4}}\] done clear
  C)
                  \[15.625\times {{10}^{-6}}\]        done clear
  D)
                  \[3.125\times {{10}^{-6}}\] done clear
  View Solution play_arrow

• question_answer76)
  \[{{K}_{sp}}\]for sodium chloride is \[36\,\,mo{{l}^{2}}/litr{{e}^{2}}.\] The solubility of sodium chloride  is             [BHU 1981]
  A)
                  \[\frac{1}{36}\] done clear
  B)
                  \[\frac{1}{6}\] done clear
  C)
                  6              done clear
  D)
                  3600 done clear
  View Solution play_arrow

• question_answer77)
  Sodium chloride is purified by passing hydrogen chloride gas in an impure solution of sodium chloride. It is based on [MP PMT 1996]
  A)
                  Buffer action      done clear
  B)
                  Common ion effect done clear
  C)
                  Association of salt            done clear
  D)
                  Hydrolysis of salt done clear
  View Solution play_arrow

• question_answer78)
  If the concentration of lead iodide in its saturated solution at \[{{25}^{o}}C\]be \[2\times {{10}^{-3}}\]moles per litre, then its solubility product is   [CPMT 1984]
  A)
                  \[4\times {{10}^{-6}}\]   done clear
  B)
                  \[8\times {{10}^{-12}}\] done clear
  C)
                  \[6\times {{10}^{-9}}\]   done clear
  D)
                  \[32\times {{10}^{-9}}\] done clear
  View Solution play_arrow

• question_answer79)
  The precipitate of  \[Ca{{F}_{2}}\]\[({{K}_{sp}}=1.7\times {{10}^{-10}})\] is obtained when equal volumes of the following are mixed [IIT 1992; UPSEAT 2000]
  A)
                  \[{{10}^{-4}}M\,C{{a}^{2+}}+{{10}^{-4}}M\,{{F}^{-}}\] done clear
  B)
                  \[{{10}^{-2}}M\,C{{a}^{2+}}+{{10}^{-3}}M\,{{F}^{-}}\] done clear
  C)
                  Both done clear
  D)
                  None of these done clear
  View Solution play_arrow

• question_answer80)
  In the reaction: \[{{H}_{2}}S\] ⇄ \[2{{H}^{+}}+{{S}^{--}}\], when \[N{{H}_{4}}OH\] is added, then             [KCET (Med.) 1999; AFMC 2000]
  A)
                  \[{{S}^{--}}\] is precipitate done clear
  B)
                  No action takes places done clear
  C)
                  Concentration of \[{{S}^{--}}\] decreases done clear
  D)
                  Concentration of \[{{S}^{--}}\] increases done clear
  View Solution play_arrow

• question_answer81)
  What is the minimum concentration of \[SO_{4}^{2-}\] required to precipitate \[BaS{{O}_{4}}\] in a solution containing \[1.0\times {{10}^{-4}}mol\,\,\,B{{a}^{2+}}\]? (\[{{K}_{sp}}\]for \[BaS{{O}_{4}}\] is \[4\times {{10}^{-10}}\]) [MP PMT 2000]
  A)
                  \[4\times {{10}^{-10}}M\]            done clear
  B)
                  \[2\times {{10}^{-7}}M\] done clear
  C)
                  \[4\times {{10}^{-6}}M\]              done clear
  D)
                  \[2\times {{10}^{-3}}M\] done clear
  View Solution play_arrow

• question_answer82)
  Solubility product for salt \[A{{B}_{2}}\] is \[4\times {{10}^{-12}}\]. Calculate solubility    [RPET 2003]
  A)
                  \[1\times {{10}^{-3}}gm\,\,mol\,/\,litre\] done clear
  B)
                  \[1\times {{10}^{-5}}gm\,\,mol\,/\,litre\] done clear
  C)
                  \[1\times {{10}^{-4}}gm\,\,mol\,/\,litre\] done clear
  D)
                  \[1\times {{10}^{-2}}gm\,\,mol\,/\,litre\] done clear
  View Solution play_arrow

• question_answer83)
  Solubility product of a salt AB is \[1\times {{10}^{-8}}\] in a solution in which concentration of A is \[{{10}^{-3}}M\]. The salt will precipitate when the concentration of B becomes more than  [MP PET 1990; KCET 2003]
  A)
                  \[{{10}^{-4}}M\]               done clear
  B)
                  \[{{10}^{-7}}M\] done clear
  C)
                  \[{{10}^{-6}}M\]               done clear
  D)
                  \[{{10}^{-5}}M\] done clear
  View Solution play_arrow

• question_answer84)
  At equilibrium, if to a saturated solution of \[NaCl,\,HCl\] is passed, \[NaCl\] gets precipitated because [RPMT 1999]
  A)
                  \[HCl\] is a strong acid done clear
  B)
                  Solubility of \[NaCl\] decreases  done clear
  C)
                  Ionic product of \[NaCl\] becomes greater than its \[{{K}_{sp}}\] done clear
  D)
                  \[HCl\] is a weak acid done clear
  View Solution play_arrow

• question_answer85)
  The solubility product of \[BaS{{O}_{4}}\] is \[1.3\times {{10}^{-9}}\]. The solubility of this salt in pure water will be          [MP PET 2002]
  A)
                  \[1.69\times {{10}^{-9}}mol\,litr{{e}^{-1}}\]         done clear
  B)
                  \[1.69\times {{10}^{-18}}mol\,litr{{e}^{-1}}\] done clear
  C)
                  \[3.6\times {{10}^{-18}}mol\,litr{{e}^{-1}}\]         done clear
  D)
                  \[3.6\times {{10}^{-5}}mol\,litr{{e}^{-1}}\] done clear
  View Solution play_arrow

• question_answer86)
  The solubility product of \[AgCl\] under standard conditions of temperature is given by                 [Kerala (Med.) 2003]
  A)
                  \[1.6\times {{10}^{-5}}\]               done clear
  B)
                  \[1.5\times {{10}^{-8}}\] done clear
  C)
                  \[3.2\times {{10}^{-10}}\]             done clear
  D)
                  \[1.5\times {{10}^{-10}}\] done clear
  View Solution play_arrow

• question_answer87)
  An aqueous solution of \[C{{H}_{3}}COONa\] will be [MP PET 2001]
  A)
                  Acidic    done clear
  B)
                  Alkaline done clear
  C)
                  Neutral done clear
  D)
                  None of these done clear
  View Solution play_arrow

• question_answer88)
  In which of the following salt hydrolysis takes place [CPMT 1974, 78]
  A)
                  \[KCl\]  done clear
  B)
                  \[NaN{{O}_{3}}\] done clear
  C)
                  \[C{{H}_{3}}COOK\]        done clear
  D)
                  \[{{K}_{2}}S{{O}_{4}}\] done clear
  View Solution play_arrow

• question_answer89)
  At \[{{90}^{o}}C\] pure water has \[[{{H}_{3}}{{O}^{+}}]={{10}^{-6}}\,M,\] the value of \[{{K}_{w}}\] at this temperature will be [IIT 1981; MNR 1990; CBSE PMT 1993;  UPSEAT 1999]
  A)
                  \[{{10}^{-6}}\]   done clear
  B)
                  \[{{10}^{-12}}\] done clear
  C)
                  \[{{10}^{-14}}\] done clear
  D)
                  \[{{10}^{-8}}\] done clear
  View Solution play_arrow

• question_answer90)
  Solubility of \[M{{X}_{2}}\] type electrolyte is \[0.5\times {{10}^{-4}}mole/litre\]. The value of \[{{K}_{sp}}\] of the electrolyte is [CBSE PMT 2002]
  A)
                  \[5\times {{10}^{-13}}\]                done clear
  B)
                  \[25\times {{10}^{-10}}\] done clear
  C)
                  \[1.25\times {{10}^{-13}}\]          done clear
  D)
                  \[5\times {{10}^{12}}\] done clear
  View Solution play_arrow

• question_answer91)
  According to the reaction \[PbC{{l}_{2}}=P{{b}^{2}}+2C{{l}^{-}},\]the solubility coefficient of \[NaOH+HCl\]is       [MP PET/PMT 1988]
  A)
                  \[[P{{b}^{2+}}]\,{{[C{{l}^{-}}]}^{2}}\]       done clear
  B)
                  \[[P{{b}^{2+}}]\,[C{{l}^{-}}]\] done clear
  C)
                  \[{{[P{{b}^{2+}}]}^{2}}\,[C{{l}^{-}}]\]       done clear
  D)
                  None of these done clear
  View Solution play_arrow

• question_answer92)
  \[{{K}_{sp}}\] value of \[Al\,{{(OH)}_{3}}\] and \[Zn\,{{(OH)}_{2}}\] are  \[8.5\times {{10}^{-23}}\]and \[1.8\times {{10}^{-14}}\] respectively. If \[N{{H}_{4}}OH\] is added in a solution of  \[A{{l}^{3+}}\]and \[Z{{n}^{2+}},\] which will precipitate earlier                 [MP PMT 1989; CPMT 1989]
  A)
                  \[Al\,{{(OH)}_{3}}\]         done clear
  B)
                  \[Zn\,{{(OH)}_{2}}\] done clear
  C)
                  Both together   done clear
  D)
                  None done clear
  View Solution play_arrow

• question_answer93)
  Why pure \[NaCl\] is precipitated when \[HCl\] gas is passed in a saturated solution of \[NaCl\] [NCERT 1977; MP PMT 1987; CPMT 1974, 78, 81]
  A)
                  Impurities dissolves in \[HCl\] done clear
  B)
                  The value of \[[N{{a}^{+}}]\]and \[[C{{l}^{-}}]\] becomes smaller than \[{{K}_{sp}}\] of \[NaCl\] done clear
  C)
                  The value of \[[N{{a}^{+}}]\]and \[[C{{l}^{-}}]\] becomes greater than \[{{K}_{sp}}\] of \[NaCl\] done clear
  D)
                  \[HCl\]dissolves in the water done clear
  View Solution play_arrow

• question_answer94)
  Pure \[NaCl\]is prepared by saturating a cold saturated solution of common salt in water with \[HCl\] gas. The principle used is                                  [AFMC 1992]
  A)
                  Le Chatelier principle      done clear
  B)
                  Displacement law done clear
  C)
                  Common ion effect         done clear
  D)
                  Fractional distillation done clear
  View Solution play_arrow

• question_answer95)
  What is the solubility of calcium fluoride in a saturated solution, if its solubility product is \[3.2\times {{10}^{-11}}\] [CPMT 1997]
  A)
                  \[2.0\times {{10}^{-4}}\,mole/litre\]       done clear
  B)
                  \[12.0\times {{10}^{-3}}\,mole/litre\] done clear
  C)
                  \[0.2\times {{10}^{-4}}\,mole/litre\]       done clear
  D)
                  \[2\times {{10}^{-3}}\,mole/litre\] done clear
  View Solution play_arrow

• question_answer96)
  The following equilibrium exists in an aqueous solution of hydrogen sulphide :                 \[{{H}_{2}}S\] ⇄ \[{{H}^{+}}+H{{S}^{-}}\] If dilute \[HCl\] is added to an aqueous solution of \[{{H}_{2}}S\] without any change in temperature     [NCERT 1989]
  A)
                  The equilibrium constant will change done clear
  B)
                  The concentration of \[H{{S}^{-}}\]will increase done clear
  C)
                  The concentration of undissociated \[{{H}_{2}}S\] will decrease done clear
  D)
                  The concentration of \[H{{S}^{-}}\]will decrease done clear
  View Solution play_arrow

• question_answer97)
  Solubility of a salt \[{{M}_{2}}{{X}_{3}}\] is  \[y\,\,mol\,d{{m}^{-3}}.\] The solubility product of the salt will be  [IIT 1990, 97; AFMC 1991; RPMT 1999;  MP PET 2001;  MP PMT 2003; Orissa JEE 2005]
  A)
                  \[6{{y}^{4}}\]     done clear
  B)
                  \[64{{y}^{4}}\] done clear
  C)
                  \[36{{y}^{5}}\]   done clear
  D)
                  \[108{{y}^{5}}\] done clear
  View Solution play_arrow

• question_answer98)
  Which one of the following is most soluble [CBSE PMT 1994; RPMT 2000]
  A)
                  \[CuS\,({{K}_{sp}}=8\times {{10}^{-37}})\]           done clear
  B)
                  \[MnS\,({{K}_{sp}}=7\times {{10}^{-16}})\]          done clear
  C)
                  \[B{{i}_{2}}{{S}_{3}}\,({{K}_{sp}}=1\times {{10}^{-70}})\]               done clear
  D)
                  \[A{{g}_{2}}S\,({{K}_{sp}}=6\times {{10}^{-51}})\] done clear
  View Solution play_arrow

• question_answer99)
  The solubility product of \[PbC{{l}_{2}}\] at \[{{20}^{o}}C\] is \[1.5\times {{10}^{-4}}.\] Calculate the solubility     [Bihar CEE 1995; BHU 2002]
  A)
                  \[3.75\times {{10}^{-4}}\]             done clear
  B)
                  \[3.34\times {{10}^{-2}}\] done clear
  C)
                  \[3.34\times {{10}^{2}}\]              done clear
  D)
                  None of these done clear
  View Solution play_arrow

• question_answer100)
  Which one of the following compounds is a Lewis acid [EAMCET 1997]
  A)
                  \[PC{{l}_{3}}\]   done clear
  B)
                  \[BC{{l}_{3}}\] done clear
  C)
                  \[NC{{l}_{3}}\]   done clear
  D)
                  \[CHC{{l}_{3}}\] done clear
  View Solution play_arrow

• question_answer101)
  Which one of the following salt is most acidic in water [IIT 1995]
  A)
                  \[NiC{{l}_{2}}\]  done clear
  B)
                  \[BeC{{l}_{2}}\] done clear
  C)
                  \[FeC{{l}_{3}}\] done clear
  D)
                  \[AlC{{l}_{3}}\] done clear
  View Solution play_arrow

• question_answer102)
  Which of the following aqueous solution will have a \[pH\] less than 7.0                [MP PMT 1991, 92]
  A)
                  \[KN{{O}_{3}}\]                done clear
  B)
                  \[NaOH\] done clear
  C)
                  \[FeC{{l}_{3}}\] done clear
  D)
                  \[1\times {{10}^{-15}}\] done clear
  View Solution play_arrow

• question_answer103)
  Hydrolysis constant for a salt of weak acid and weak base would be                                         [RPMT 1999]
  A)
                  \[{{K}_{h}}=\frac{{{K}_{w}}}{{{K}_{a}}}\]               done clear
  B)
                  \[{{K}_{h}}=\frac{{{K}_{w}}}{{{K}_{b}}}\] done clear
  C)
                  \[{{K}_{h}}=\frac{{{K}_{w}}}{{{K}_{a}}{{K}_{b}}}\]             done clear
  D)
                  None of these done clear
  View Solution play_arrow

• question_answer104)
  Which salt will give basic solution on hydrolysis [RPMT 1997]
  A)
                  \[KCN\]                done clear
  B)
                  \[KCl\] done clear
  C)
                  \[N{{H}_{4}}Cl\]                done clear
  D)
                  \[C{{H}_{3}}COON{{H}_{4}}\] done clear
  View Solution play_arrow

• question_answer105)
  Which of the following sulphides has the lowest solubility product           [KCET 1996]
  A)
                  \[FeS\] done clear
  B)
                  \[MnS\] done clear
  C)
                  \[PbS\] done clear
  D)
                  \[ZnS\] done clear
  View Solution play_arrow

• question_answer106)
  The concentration of which ion is to be decreased, when \[N{{H}_{3}}\] solution is added            [RPMT 1997]
  A)
                  \[O{{H}^{-}}\]    done clear
  B)
                  \[NH_{4}^{+}\] done clear
  C)
                  \[{{H}_{3}}{{O}^{+}}\]    done clear
  D)
                  \[O_{2}^{-}\] done clear
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• question_answer107)
  The compound insoluble in acetic acid is                [IIT 1986]
  A)
                  Calcium oxide done clear
  B)
                  Calcium carbonate done clear
  C)
                  Calcium oxalate done clear
  D)
                  Calcium hydroxide done clear
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• question_answer108)
  A saturated solution of \[A{{g}_{2}}S{{O}_{4}}\]is \[2.5\times {{10}^{-2}}\]M; The value of its solubility product is              [Pb.CET 2004]
  A)
                  \[62.5\times {{10}^{-6}}\]             done clear
  B)
                  \[6.25\times {{10}^{-4}}\] done clear
  C)
                  \[15.625\times {{10}^{-6}}\]        done clear
  D)
                  \[3.125\times {{10}^{-6}}\] done clear
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• question_answer109)
  Solubility product of \[AgCl\] is \[1\times {{10}^{-6}}\] at 298 K. Its solubility in mole \[litr{{e}^{-1}}\] would be                    [Pb.CET 2001]
  A)
                  \[1\times {{10}^{-6}}mol/litre\] done clear
  B)
                  \[1\times {{10}^{-3}}mol/litre\] done clear
  C)
                  \[1\times {{10}^{-12}}mol/litre\] done clear
  D)
                  None of these done clear
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• question_answer110)
  A litre of solution is saturated with AgCl. To this solution if \[1.0\times {{10}^{-4}}\]mole of solid NaCl is added, what will be the \[[A{{g}^{+}}]\], assuming no volume change             [UPSEAT 2004]
  A)
                  More     done clear
  B)
                  Less done clear
  C)
                  Equal     done clear
  D)
                  Zero done clear
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• question_answer111)
  The concentration of KI  and KCl in certain solution containing both is 0.001M each. If 20 ml of this solution is added to 20 ml of a saturated solution of AgI  in water? What will happen            [MP PMT 2004]
  A)
                  AgCl will be precipitated done clear
  B)
                  AgI will be precipitated done clear
  C)
                  Both AgCl and AgI will be precipitated done clear
  D)
                  There will be no precipitated done clear
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• question_answer112)
  The solubility product of a sparingly soluble salt \[A{{X}_{2}}\]is \[3.2\times {{10}^{-11}}\]. Its solubility (in moles / litres) is  [CBSE PMT 2004]
  A)
                  \[2\times {{10}^{-4}}\]   done clear
  B)
                  \[4\times {{10}^{-4}}\] done clear
  C)
                  \[5.6\times {{10}^{-6}}\]               done clear
  D)
                  \[3.1\times {{10}^{-4}}\] done clear
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• question_answer113)
  0.5 M ammonium benzoate is hydrolysed to 0.25 percent, hence its hydrolysis constant is            [MH CET 2004]
  A)
                  \[2.5\times {{10}^{-5}}\]               done clear
  B)
                  \[1.5\times {{10}^{-4}}\] done clear
  C)
                  \[3.125\times {{10}^{-6}}\]          done clear
  D)
                  \[6.25\times {{10}^{-4}}\] done clear
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• question_answer114)
  The solubility of \[S{{b}_{2}}{{S}_{3}}\]in water is \[1.0\times {{10}^{-5}}\]mol / litre at 298 K. What will be its solubility product                [CPMT 2004]
  A)
                  \[108\times {{10}^{-25}}\]            done clear
  B)
                  \[1.0\times {{10}^{-25}}\] done clear
  C)
                  \[144\times {{10}^{-25}}\]            done clear
  D)
                  \[126\times {{10}^{-24}}\] done clear
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• question_answer115)
  The ionic product of water at \[{{25}^{o}}C\] is \[{{10}^{-14}}.\] The ionic product at \[{{90}^{o}}C\] will be           [CBSE PMT 1996]
  A)
                  \[1\times {{10}^{-20}}\]                done clear
  B)
                  \[1\times {{10}^{-12}}\] done clear
  C)
                  \[1\times {{10}^{-14}}\]                done clear
  D)
                  \[1\times {{10}^{-16}}\] done clear
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• question_answer116)
  In hydrolysis of a salt of weak acid and strong base, \[{{A}^{-}}+{{H}_{2}}O\] ⇄ \[HA+O{{H}^{-}},\] the hydrolysis constant \[({{K}_{h}})\] is equal to.?                                         [Orissa JEE 2002]
  A)
                  \[\frac{{{K}_{w}}}{{{K}_{a}}}\]    done clear
  B)
                  \[\frac{{{K}_{w}}}{{{K}_{b}}}\] done clear
  C)
                  \[\sqrt{\frac{{{K}_{a}}}{C}}\]       done clear
  D)
                  \[\frac{{{K}_{w}}}{{{K}_{a}}\times {{K}_{b}}}\] done clear
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