JEE Main & Advanced Chemistry Solutions / विलयन Question Bank

done Ideal and Non-ideal solution Total Questions - 30

• question_answer1)
  Which of the following liquid pairs shows a positive deviation from Raoult's law        [MP PET 1993; UPSEAT 2001; AIEEE 2004]
  A)
                  Water-nitric acid    done clear
  B)
                  Benzene-methanol done clear
  C)
                  Water-hydrochloric acid       done clear
  D)
                  Acetone-chloroform done clear
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• question_answer2)
  Which one of the following is non-ideal solution
  A)
                  Benzene + toluene done clear
  B)
                  \[n\]-hexane + \[n\]-heptane done clear
  C)
                  Ethyl bromide + ethyl iodide done clear
  D)
              \[CC{{l}_{4}}+CHC{{l}_{3}}\] done clear
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• question_answer3)
  A non-ideal solution was prepared by mixing 30 ml chloroform and 50 ml acetone. The volume of mixture will be             [Pb. CET 2003]
  A)
  > 80 ml  done clear
  B)
  < 80 ml done clear
  C)
  = 80 ml  done clear
  D)
  \[\ge \] 80 ml done clear
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• question_answer4)
  Which pair from the following will not form an ideal solution
  A)
                  \[CC{{l}_{4}}+SiC{{l}_{4}}\]          done clear
  B)
                  \[{{H}_{2}}O+{{C}_{4}}{{H}_{9}}OH\] done clear
  C)
                  \[{{C}_{2}}{{H}_{5}}Br+{{C}_{2}}{{H}_{5}}I\]      done clear
  D)
                  \[{{C}_{6}}{{H}_{14}}+{{C}_{7}}{{H}_{16}}\] done clear
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• question_answer5)
  An ideal solution is that which            [MP PMT 1996]
  A)
                  Shows positive deviation from Raoult's law done clear
  B)
                  Shows negative deviation from Raoult's law done clear
  C)
                  Has no connection with Raoult's law done clear
  D)
                  Obeys Raoult's law done clear
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• question_answer6)
  Which one of the following mixtures can be separated into pure components by fractional distillation    [CPMT 1987]
  A)
  Benzene - toluene                done clear
  B)
  Water - ethyl alcohol done clear
  C)
  Water - nitric acid  done clear
  D)
  Water - hydrochloric acid done clear
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• question_answer7)
  All form ideal solutions except            [DPMT 1983; MP PET 1997]
  A)
                  \[{{C}_{2}}{{H}_{5}}Br\] and  \[{{C}_{2}}{{H}_{5}}I\]           done clear
  B)
                  \[{{C}_{6}}{{H}_{5}}Cl\] and \[{{C}_{6}}{{H}_{5}}Br\] done clear
  C)
                  \[{{C}_{6}}{{H}_{6}}\] and \[{{C}_{6}}{{H}_{5}}C{{H}_{3}}\]           done clear
  D)
                  \[{{C}_{2}}{{H}_{5}}I\] and \[{{C}_{2}}{{H}_{5}}OH\] done clear
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• question_answer8)
  Which property is shown by an ideal solution [MP PET 2002]
  A)
                  It follows Raoult's law           done clear
  B)
                  \[\Delta {{H}_{mix}}=0\] done clear
  C)
                  \[\Delta {{V}_{mix}}=0\]    done clear
  D)
                  All of these done clear
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• question_answer9)
  When two liquid A and B are mixed then their boiling points becomes greater than both of them. What is the nature of this solution
  A)
                  Ideal solution done clear
  B)
                  Positive deviation with non ideal solution done clear
  C)
                  Negative deviation with non ideal solution done clear
  D)
                  Normal solution done clear
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• question_answer10)
  In mixture A and B components show ?ve deviation as [AIEEE 2002]
  A)
                  \[\Delta {{V}_{\text{mix}}}>0\] done clear
  B)
                  \[\Delta {{H}_{\text{mix}}}<0\] done clear
  C)
                  A-B interaction is weaker than A-A and B-B interaction   done clear
  D)
                  A-B interaction is strong than A-A and B-B interaction done clear
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• question_answer11)
  In which case Raoult's law is not applicable
  A)
                  \[1M\,NaCl\]           done clear
  B)
                  1 M urea done clear
  C)
                  1 M glucose           done clear
  D)
                  1 M sucrose done clear
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• question_answer12)
  A solution that obeys Raoult's law is  [EAMCET 1993]
  A)
                  Normal   done clear
  B)
                  Molar done clear
  C)
                  Ideal        done clear
  D)
                  Saturated done clear
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• question_answer13)
  An example of near ideal solution is
  A)
                  \[n\]-heptane and \[n\]-hexane done clear
  B)
                  \[C{{H}_{3}}COOH+{{C}_{5}}{{H}_{5}}N\] done clear
  C)
                  \[CHC{{l}_{3}}+{{({{C}_{2}}{{H}_{5}})}_{2}}O\] done clear
  D)
                  \[{{H}_{2}}O+HN{{O}_{3}}\] done clear
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• question_answer14)
  A mixture of liquid showing positive deviation in Raoult's law is
  A)
                  \[{{(C{{H}_{3}})}_{2}}CO+{{C}_{2}}{{H}_{5}}OH\]             done clear
  B)
                  \[{{(C{{H}_{3}})}_{2}}CO+CHC{{l}_{3}}\] done clear
  C)
                  \[{{({{C}_{2}}{{H}_{5}})}_{2}}O+CHC{{l}_{3}}\] done clear
  D)
                  \[{{(C{{H}_{3}})}_{2}}CO+{{C}_{6}}{{H}_{5}}N{{H}_{2}}\] done clear
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• question_answer15)
  All form ideal solution except              [UPSEAT 2001]
  A)
                  \[{{C}_{2}}{{H}_{5}}Br\] and \[{{C}_{2}}{{H}_{5}}I\]            done clear
  B)
                  \[{{C}_{2}}{{H}_{5}}Cl\] and \[{{C}_{6}}{{H}_{5}}Br\]          done clear
  C)
                  \[{{C}_{6}}{{H}_{6}}\] and \[{{C}_{6}}{{H}_{5}}C{{H}_{3}}\]           done clear
  D)
                  \[{{C}_{2}}{{H}_{5}}I\] and \[{{C}_{2}}{{H}_{5}}OH\] done clear
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• question_answer16)
  Formation of a solution from two components can be considered as                                            [CBSE PMT 2003] (i)            Pure solvent ® separated solvent molecules DH1 (ii)           Pure solute ® separated solute molecules DH2 (iii)          Separated solvent and solute molecules ® solution DH3 Solution so formed will be ideal if
  A)
                  \[\Delta {{H}_{\text{soln}}}=\Delta {{H}_{3}}-\Delta {{H}_{1}}-\Delta {{H}_{2}}\] done clear
  B)
                  \[\Delta {{H}_{\text{soln}}}=\Delta {{H}_{1}}+\Delta {{H}_{2}}+\Delta {{H}_{3}}\] done clear
  C)
                  \[\Delta {{H}_{\text{soln}}}=\Delta {{H}_{1}}+\Delta {{H}_{2}}-\Delta {{H}_{3}}\] done clear
  D)
                  \[\Delta {{H}_{\text{soln}}}=\Delta {{H}_{1}}-\Delta {{H}_{2}}-\Delta {{H}_{3}}\] done clear
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• question_answer17)
  Identify the mixture that shows positive deviation from Raoult?s law             [Kerala CET (Engg.) 2002]
  A)
                  \[CHC{{l}_{3}}+{{(C{{H}_{3}})}_{2}}CO\]                done clear
  B)
                  \[{{(C{{H}_{3}})}_{2}}CO+{{C}_{6}}{{H}_{5}}N{{H}_{2}}\] done clear
  C)
                  \[CHC{{l}_{3}}+{{C}_{6}}{{H}_{6}}\]        done clear
  D)
              \[{{(C{{H}_{3}})}_{2}}CO+C{{S}_{2}}\] done clear
  E)
                  \[{{C}_{6}}{{H}_{5}}N+C{{H}_{3}}COOH\] done clear
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• question_answer18)
  When acetone is added to chloroform, then hydrogen bond is formed between them.These liquids show
  A)
                  Positive deviation from Raoult's law done clear
  B)
                  Negative deviation from Raoult's law done clear
  C)
                  No deviation from Raoult's law done clear
  D)
                  Volume is slightly increased done clear
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• question_answer19)
  Which of the following is true when components forming an ideal solution are mixed               [AMU 2000]
  A)
                  \[\Delta {{H}_{m}}=\Delta {{V}_{m}}=0\]    done clear
  B)
                  \[\Delta {{H}_{m}}>\Delta {{V}_{m}}\] done clear
  C)
                  \[\Delta {{H}_{m}}<\Delta {{V}_{m}}\]          done clear
  D)
                  \[\Delta {{H}_{m}}=\Delta {{V}_{m}}=1\] done clear
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• question_answer20)
  The liquid pair benzene-toluene shows             [MP PET 1995]
  A)
                  Irregular deviation from Raoult's law done clear
  B)
                  Negative deviation from Raoult's law done clear
  C)
                  Positive deviation from Raoult's law done clear
  D)
                  Practically no deviation from Raoult's law done clear
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• question_answer21)
  The solution which shows negative or positive deviation by Raoult's law, is called
  A)
                  Ideal solution         done clear
  B)
                  Real solution done clear
  C)
                  Non-ideal solution                done clear
  D)
                  Colloidal solution done clear
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• question_answer22)
  Which of the following does not show positive deviation from Raoult?s law                                                 [MP PMT 2000]
  A)
                  Benzene-Chloroform done clear
  B)
                  Benzene-Acetone done clear
  C)
                  Benzene-Ethanol done clear
  D)
                  Benzene-Carbon tetrachloride done clear
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• question_answer23)
  Which of the following mixture shows positive deviation by ideal behaviour
  A)
                  \[CHC{{l}_{3}}+{{(C{{H}_{3}})}_{2}}CO\]                done clear
  B)
                  \[{{C}_{6}}{{H}_{6}}+{{C}_{6}}{{H}_{5}}C{{H}_{3}}\] done clear
  C)
                  \[{{H}_{2}}O+HCl\]           done clear
  D)
                  \[CC{{l}_{4}}+CHC{{l}_{3}}\] done clear
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• question_answer24)
  Which property is not found in ideal solution
  A)
                  \[{{P}_{A}}\ne P_{A}^{o}\times {{X}_{A}}\]              done clear
  B)
                  \[\Delta {{H}_{mix}}\ne 0\] done clear
  C)
                  \[\Delta {{V}_{mix}}\ne 0\]                 done clear
  D)
                  All of these done clear
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• question_answer25)
  Which of the following is not correct for ideal solution [JIPMER 1997]
  A)
                  \[\Delta {{S}_{mix}}=0\]    done clear
  B)
                  \[\Delta {{H}_{mix}}=0\] done clear
  C)
                  It obeys Raoult's law             done clear
  D)
                  \[\Delta {{V}_{mix}}=0\] done clear
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• question_answer26)
  Which of the following does not show negative deviation from Raoult?s law                                                [MP PMT 2001]
  A)
                  Acetone-Chloroform             done clear
  B)
                  Acetone-Benzene done clear
  C)
                  Chloroform-Ether  done clear
  D)
                  Chloroform-Benzene done clear
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• question_answer27)
  A mixture of benzene and toluene forms           [MP PMT 1993]
  A)
                  An ideal solution   done clear
  B)
                  Non-ideal solution done clear
  C)
                  Suspension            done clear
  D)
                  Emulsion done clear
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• question_answer28)
  Which of the following is an ideal solution
  A)
                  Water + ethanol done clear
  B)
                  Chloroform + carbon tetrachloride done clear
  C)
                  Benzene + toluene done clear
  D)
                  Water + hydrochloric acid done clear
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• question_answer29)
  When ethanol mixes in cyclohexane; cyclohexane reduces the intermolecular forces between ethanol molecule. In this, liquid pair shows
  A)
                  Positive deviation by Raoult's law done clear
  B)
                  Negative deviation by Raoult's law done clear
  C)
                  No deviation by Raoult's law done clear
  D)
                  Decrease in volume done clear
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• question_answer30)
  Liquids A and B form an ideal solution             [AIEEE 2003]
  A)
                  The enthalpy of mixing is zero done clear
  B)
                  The entropy of mixing is zero done clear
  C)
                  The free energy of mixing is zero done clear
  D)
                  The free energy as well as the entropy of mixing are each zero done clear
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