Solution Quiz 5

1

The vapour pressure of water is 15.5 mm at 20 °C. The lowering of vapour pressure of 0.02 m K Br solution will be

2

Which of the following 0.1 M aqueous solutions will exert highest osmotic pressure ?

3

If equimolar solutions of urea, NaCl, sucrose and $BaCl_2$ have boiling points A, B, C and D, then

4

The molar mass of acetic acid obtained by measuring depression in freezing point is $115.8\, gmol^{-1}$ . Hence the degree of association is

5

$\Delta \ T_b /m$ for NaBr solution will have value $(K_b = 0.52 \,K \,kg\, mol ^{-1}) :$

6

0.2 M urea solution can be isotonic with

7

The osmotic pressure of 0.1 M HCl solution at 27 °C will be

8

If a, b, c and d are the van’t Hoff factors for $Na_2 SO_4$ , glucose and $K_4 [Fe(CN)_6 ]$ then

9

The osmotic pressure of 0.2 M KCl solution at 310 K is

10

A temperature at which 0.1 M KCl solution will have osmotic pressure 10 atm will be

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