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We have three aqueous solutions of NaCl ...

We have three aqueous solutions of NaCl labelled as 'A', 'B' and 'C' with concentrations 0.1 M, 0.01 M and 0.001 M, respectively. The value of van't Hoff factor for these solutions will be in the order ……..

A

`i_(A)lt i_(B)lt i_(C )`

B

`i_(A)gt i_(B)gt i_(C )`

C

`i_(A)=i_(B)=i_(C )`

D

`i_(A)lt i_(B)gt i_(C )`

Text Solution

Verified by Experts

The correct Answer is:
A
Explanation : It is because the extent or degree of dissociation increases with increase in dilution of a solution. 0.001 M NaCl solution .C. is most diluted as compared to the other two NaCl solutions. The vant Hoff factor (A) depends on extent of dilution. This confirms answer at (A) `iA lt iB lt iC`
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KUMAR PRAKASHAN-SOLUTIONS -SECTION - D NCERT EXEMPLAR SOLUTION (Multiple Choice Questions)
  1. Which of the following statements is false ?

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  2. Value of Henry's constant K(H) …….

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  3. The value of Henry's constant K(H) is ……..

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  4. Consider the Figure and mark the correct option.

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  5. We have three aqueous solutions of NaCl labelled as 'A', 'B' and 'C' w...

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  6. On the basis of information given below mark the correct option. Infor...

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  7. Two beakers of capacity 500 mL were taken. One of these beakersm label...

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  8. If two liquids A and B from minimum boiling azeotrope at some specific...

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  9. 4 L of 0.02 M aqueous solution of NaCl was diluted by adding one litre...

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  10. On the basis of information given below mark the correct option. Infor...

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  11. K(H) value for Ar((g)), CO(2(g)), HCHO((g)) and CH(4(g)) are 40.39, 1....

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  12. Which of the following factor(s) affect the solubility of a gaseous so...

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  13. Intermolecular forces between two benzene molecules are nearly of same...

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  14. Relative lowering of vapour pressure is a colligative property because...

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  15. Van't Hoff factor i is given the expression ……….

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  16. Isotonic solutions must have the same …….

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  17. Which of the following binary mixtures will have same composition in l...

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  18. What is isotonic solution ?

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  19. For a binary ideal liquid solution, the variation in total vapour pres...

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  20. Colligativeproperties are observed when ……..

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