JEE Main & Advanced Chemistry Solutions / विलयन Question Bank

done Colligative properties of electrolyte Total Questions - 29

• question_answer1)
  If O.P. of 1 M of the following in water can be measured, which one will show the maximum O.P. [NCERT 1975; CPMT 1977; JIPMER 2001]
  A)
                  \[AgN{{O}_{3}}\]                done clear
  B)
                  \[MgC{{l}_{2}}\] done clear
  C)
                  \[{{(N{{H}_{4}})}_{3}}P{{O}_{4}}\]            done clear
  D)
                  \[N{{a}_{2}}S{{O}_{4}}\] done clear
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• question_answer2)
  Which of the following solution in water possesses the lowest vapour pressure          [BHU 1996]
  A)
                  \[0.1\,(M)\,NaCl\]   done clear
  B)
                  \[0.1\,(N)\,BaC{{l}_{2}}\] done clear
  C)
                  \[0.1\,(M)\,KCl\]     done clear
  D)
                  None of these done clear
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• question_answer3)
  Which of the following solutions in water will have the lowest vapour pressure          [Roorkee 2000]
  A)
                  0.1 M, NaCl           done clear
  B)
                  0.1 M, Sucrose done clear
  C)
                  0.1 M, \[BaC{{l}_{2}}\]       done clear
  D)
              0.1 M  \[N{{a}_{3}}P{{O}_{4}}\] done clear
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• question_answer4)
  The vapour pressure will be lowest for              [CPMT  2004]
  A)
                  0.1 M sugar solution             done clear
  B)
                  0.1 M KCl solution done clear
  C)
                  0.1 M\[Cu{{(N{{O}_{3}})}_{2}}\]solution     done clear
  D)
                  0.1 M \[AgN{{O}_{3}}\] solution done clear
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• question_answer5)
  Osmotic pressure of 0.1 M solution of \[NaCl\] and  \[N{{a}_{2}}S{{O}_{4}}\] will be                                            [AFMC 1978]
  A)
                  Same done clear
  B)
                  Osmotic pressure of \[NaCl\] solution will be more than \[N{{a}_{2}}S{{O}_{4}}\] solution done clear
  C)
                  Osmotic pressure of \[N{{a}_{2}}S{{O}_{4}}\] solution will be more than \[NaCl\] done clear
  D)
                  Osmotic pressure of \[NaS{{O}_{4}}\] will be less than that of \[NaCl\] solution done clear
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• question_answer6)
  Which of the following solutions has highest osmotic pressure                                      [CPMT 1977]
  A)
                  \[1\,M\,NaCl\]         done clear
  B)
                  1 M urea done clear
  C)
                  1 M sucrose           done clear
  D)
                  1 M glucose done clear
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• question_answer7)
  Which one has the highest osmotic pressure [CBSE PMT 1991; DPMT 1991; MP PET 1994]
  A)
                  \[M/10\,HCl\]          done clear
  B)
                  \[M/10\] urea done clear
  C)
                  \[M/10\,BaC{{l}_{2}}\]        done clear
  D)
                  \[M/10\] glucose done clear
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• question_answer8)
  In equimolar solution of glucose, \[NaCl\] and \[BaC{{l}_{2}}\], the order of osmotic pressure is as follow [CPMT 1988, 93; MP PMT/PET 1988; MP PET 1997, 2003]
  A)
                  Glucose \[>\,NaCl\,\,>\,\,BaC{{l}_{2}}\] done clear
  B)
                  \[NaCl\,\,>\,\,BaC{{l}_{2}}\,\,>\] Glucose done clear
  C)
                  \[BaC{{l}_{2}}\,\,>\,\,NaCl\,\,>\] Glucose done clear
  D)
                  Glucose \[>\,\,BaC{{l}_{2}}\,\,>\,\,NaCl\] done clear
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• question_answer9)
  The osmotic pressure of which solution is maximum (consider that deci-molar solution of each 90% dissociated) [MP PMT 2003]
  A)
                  Aluminium sulphate done clear
  B)
                  Barium chloride done clear
  C)
                  Sodium sulphate done clear
  D)
                  A mixture of equal volumes of B and C done clear
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• question_answer10)
  At \[{{25}^{o}}C\], the highest osmotic pressure is exhibited by \[0.1M\] solution of              [CBSE PMT 1994; AIIMS 2000]
  A)
                  \[CaC{{l}_{2}}\]   done clear
  B)
                  \[KCl\] done clear
  C)
                  Glucose  done clear
  D)
                  Urea done clear
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• question_answer11)
  Which of the following will have the highest boiling point at 1 atm pressure                [MP PET/PMT 1998]
  A)
                  \[0.1\,M\,NaCl\]      done clear
  B)
                  \[0.1M\]sucrose done clear
  C)
                  \[0.1M\,BaC{{l}_{2}}\]        done clear
  D)
                  \[0.1M\] glucose done clear
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• question_answer12)
  Which one of the following would produce maximum elevation in boiling point [MP PMT 1985; CPMT 1990; NCERT 1982]
  A)
                  0.1 M glucose done clear
  B)
                  0.2 M sucrose done clear
  C)
              0.1 M barium chloride done clear
  D)
                  0.1 M magnesium sulphate done clear
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• question_answer13)
  Which of the following solutions will have the highest boiling point              [DPMT 1991; CPMT 1991]
  A)
                  1% glucose            done clear
  B)
                  1% sucrose done clear
  C)
                  1% \[NaCl\]            done clear
  D)
              1% \[CaC{{l}_{2}}\] done clear
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• question_answer14)
  Which one of the following aqueous solutions will exhibit highest boiling point         [AIEEE 2004]
  A)
                  0.015 M urea         done clear
  B)
                  \[0.01\,M\,KN{{O}_{3}}\] done clear
  C)
              \[0.01\,M\,N{{a}_{2}}S{{O}_{4}}\]          done clear
  D)
                  \[0.015\,M\,\]Glucose done clear
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• question_answer15)
  Which of the following aqueous solutions containing 10 gm of solute in each case has highest B.P.
  A)
                  \[NaCl\]solution     done clear
  B)
                  \[KCl\] solution done clear
  C)
                  Sugar solution       done clear
  D)
                  Glucose solution done clear
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• question_answer16)
  0.01 molar solutions of glucose, phenol and potassium chloride were prepared in water. The boiling points of
  A)
                  Glucose solution = Phenol solution = Potassium chloride solution done clear
  B)
                  Potassium chloride solution > Glucose solution > Phenol solution done clear
  C)
                  Phenol solution > Potassium chloride solution > Glucose solution done clear
  D)
                  Potassium chloride solution > Phenol solution > Glucose solution done clear
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• question_answer17)
  Which one has the highest boiling point            [CBSE PMT 1990]
  A)
                  \[0.1N\,N{{a}_{2}}S{{O}_{4}}\]      done clear
  B)
                  \[0.1N\,MgS{{O}_{4}}\] done clear
  C)
                  \[0.1M\,A{{l}_{2}}{{(S{{O}_{4}})}_{3}}\]    done clear
  D)
                  \[0.1M\,BaS{{O}_{4}}\] done clear
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• question_answer18)
  Which of the following solutions boils at the highest temperature                                  [AMU 2001]
  A)
                  0.1 M glucose        done clear
  B)
              0.1 M NaCl done clear
  C)
                  0.1 M \[BaC{{l}_{2}}\]        done clear
  D)
                  0.1 M Urea done clear
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• question_answer19)
  \[0.01M\] solution each of urea, common salt and \[N{{a}_{2}}S{{O}_{4}}\] are taken, the ratio of depression of freezing point is [Roorkee 1990]
  A)
                  1 : 1 : 1   done clear
  B)
                  1 : 2 : 1 done clear
  C)
                  1 : 2 : 3   done clear
  D)
                  2 : 2 : 3 done clear
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• question_answer20)
  Which has the minimum freezing point              [CPMT 1991]
  A)
                  One molal \[NaCl\] solution done clear
  B)
                  One molal \[KCl\] solution done clear
  C)
                  One molal \[CaC{{l}_{2}}\] solution done clear
  D)
                  One molal urea solution done clear
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• question_answer21)
  Which of the following has lowest freezing point [NCERT 1981]
  A)
                  \[0.1\,M\] aqueous solution of glucose done clear
  B)
                  \[0.1\,M\] aqueous solution of \[NaCl\] done clear
  C)
                  \[0.1M\] aqueous solution of \[ZnS{{O}_{4}}\] done clear
  D)
                  \[0.1\,M\] aqueous solution of urea done clear
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• question_answer22)
  The freezing points of equimolar solutions of glucose, \[KN{{O}_{3}}\] and \[AlC{{l}_{3}}\] are in the order of                 [AMU 2000]
  A)
                  \[AlC{{l}_{3}}<KN{{O}_{3}}<\text{Glucose}\] done clear
  B)
                  \[\text{Glucose}<KN{{O}_{3}}<AlC{{l}_{3}}\] done clear
  C)
                  \[\text{Glucose}<AlC{{l}_{3}}<KN{{O}_{3}}\] done clear
  D)
                  \[AlC{{l}_{3}}<\text{Glucose}<KN{{O}_{3}}\] done clear
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• question_answer23)
  Which of the following will have the highest F.P. at one atmosphere             [BHU 1982; MP PMT 1987, MP PET/PMT 1988]
  A)
                  \[0.1M\,NaCl\] solution         done clear
  B)
                  \[0.1M\]sugar solution done clear
  C)
                  \[0.1M\,BaC{{l}_{2}}\] solution         done clear
  D)
                  \[0.1M\,FeC{{l}_{3}}\] solution done clear
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• question_answer24)
  Which of the following will produce the maximum depression in freezing point of its aqueous solution [MP PMT 1996]
  A)
                  \[0.1M\] glucose    done clear
  B)
                  \[0.1M\]sodium chloride done clear
  C)
              \[0.1M\]barium chloride done clear
  D)
                  \[0.1M\]magnesium sulphate               done clear
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• question_answer25)
  Which of the following has the lowest freezing point [UPSEAT 2004]
  A)
                  0.1 m sucrose        done clear
  B)
                  0.1 m urea done clear
  C)
                  0.1 m ethanol        done clear
  D)
                  0.1 m glucose done clear
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• question_answer26)
  Which of the following has minimum freezing point [Pb. PMT 1999]
  A)
                  \[0.1M\]\[{{K}_{2}}C{{r}_{2}}{{O}_{7}}\]   done clear
  B)
                  0.1 M \[N{{H}_{4}}Cl\] done clear
  C)
                  0.1 M \[BaS{{O}_{4}}\]      done clear
  D)
              0.1 M \[A{{l}_{2}}{{(S{{O}_{4}})}_{3}}\] done clear
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• question_answer27)
  Which of the following \[0.10\,m\] aqueous solution will have the lowest freezing point            [CBSE PMT 1997]
  A)
                  \[A{{l}_{2}}{{(S{{O}_{4}})}_{3}}\]               done clear
  B)
                  \[{{C}_{5}}{{H}_{10}}{{O}_{5}}\] done clear
  C)
                  \[KI\]        done clear
  D)
                  \[{{C}_{12}}{{H}_{22}}{{O}_{11}}\] done clear
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• question_answer28)
  For 0.1 M  solution, the colligative property will follow the order                                   [AMU 2000]
  A)
                  \[NaCl>N{{a}_{2}}S{{O}_{4}}>N{{a}_{3}}P{{O}_{4}}\] done clear
  B)
                  \[NaCl<N{{a}_{2}}S{{O}_{4}}<N{{a}_{3}}P{{O}_{4}}\] done clear
  C)
                  \[NaCl>N{{a}_{2}}S{{O}_{4}}\,\,\approx \,\,N{{a}_{3}}P{{O}_{4}}\] done clear
  D)
                  \[NaCl<N{{a}_{2}}S{{O}_{4}}=N{{a}_{3}}P{{O}_{4}}\] done clear
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• question_answer29)
  Which of the following will have the lowest vapour pressure
  A)
                  \[0.1M\,KCl\] solution done clear
  B)
                  \[0.1M\] urea solution done clear
  C)
                  \[0.1M\,N{{a}_{2}}S{{O}_{4}}\] solution done clear
  D)
                  \[0.1M\,{{K}_{4}}Fe{{(CN)}_{6}}\] solution done clear
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