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JEE Main 20241 FebruaryMorning Shift
Exam
JEE Main
Year
2024
Date
1 February
Shift
Morning Shift
Subject
Chemistry
Chapter
Solutions

JEE Main 2024 · 1 February · Morning Shift · Chemistry · Solutions

We have three aqueous solutions of NaCl labelled as ‘ A ’ , ‘ B ’...

We have three aqueous solutions of NaClNaCl labelled as ‘A’,‘B’and‘C’‘ A ’ , ‘ B ’ and ‘ C ’ with concentration 0.1M,0.01Mand0.001M,0 . 1M, 0 . 01M and 0 . 001M, respectively. The value of van t’t ’ Haft factor (i)\left(i\right) for these solutions will be in the order.

We have three aqueous solutions of NaCl labelled as ‘ A ’ , ‘ B ’ and ‘ C ’ with concentration 0 . 1M, 0 . 01M and 0 .

Options

  1. AiA<iB<iC{i}_{A} < {i}_{B} < {i}_{C}
  2. BiA<iC<iB{i}_{A} < {i}_{C} < {i}_{B}
  3. C

    iA=iB=iC{i}_{A} = {i}_{B} = {i}_{C}

  4. DiA>iB>iC{i}_{A} > {i}_{B} > {i}_{C}

Correct answer

A. iA<iB<iC{i}_{A} < {i}_{B} < {i}_{C}

Step-by-step solution

It is because the extent or degree of dissociation increases with increase in dilution of a solution. 0.001MNaCl0 . 001MNaCl solution ′C′' C ' is most diluted as compared to the other two NaClNaCl solutions. The vant Hoff factor (i) depends on extent of dilution.This confirms answer at (i) iA<iB<iC{i}_{A} < {i}_{B} < {i}_{C}

We have three aqueous solutions of NaCl labelled as ‘ A ’ , ‘ B ’ and ‘ C ’ with concentration 0 . 1M, 0 . 01M and 0 .

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