Ncert Exercises & Solutions

Match the laws given in Column I with expressions given in Column II.

Column I	Column II
A. Raoult’s law	1. $π$ = CRT
B. Osmotic pressure	2. ${ΔT}_{f} = K_{f} m$
C. Elevation of boiling point	3. $p = x_{1} p_{1}^{0}$ $+ x_{2} p_{_{2}}^{0}$
D. Depression in freezing point	4. ${ΔT}_{b} = K_{b} m$

Codes

Hint: Osmotic pressure Mathematical representation,

π

= CRT

A. Raoult’s law Mathematical representation of Raoult’s law

p = x_{1} p_{1}^{0}

+ x_{2} p_{_{2}}^{0}

B . Osmotic pressure Mathematical representation,

π

= CRT

C. Elevation of boiling point Mathematical representation,

{ΔT}_{b} = K_{b} m

D. Depression in freezing point Mathematical representation,

{ΔT}_{f} = K_{f} m