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Which of the following statements is fal...

Which of the following statements is false ?

A

Units of atmospheric pressure and osmotic pressure are the same.

B

In reverse osmosis, solvent molecules move through a semipermeable membrane from a region of lower concentration of solute to a region of higher concentration.

C

The value of molal depression constant depends on nature of solvent.

D

Relative lowering of vapour pressure, is a dimensionless quantity.

Text Solution

Verified by Experts

The correct Answer is:
B
Explanation : In reverse osmosis solvent molecules move through a semipermeable membrane from a region of higher concentration of solute to a region of lower concentration, therefore the given statement at (ii) is false.
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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. The values of van't Hoff factors for KCl, NaCl and K(2)SO(4), respecti...

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  3. Which of the following statements is false ?

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

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

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  6. Consider the Figure and mark the correct option.

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

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

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

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

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  11. 4 L of 0.02 M aqueous solution of NaCl was diluted by adding one litre...

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

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

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

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

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

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

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  18. Isotonic solutions must have the same …….

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

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  20. What is isotonic solution ?

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