Q.

The relationship between the values of osmotic pressures of 0.1 M solutions of KNO3(P1) and CH3COOH(P2) is

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a

P1>P2

b

P2>P1

c

P1=P2

d

P1/(P1+P2)=P2/(P1+P2)

answer is A.

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Detailed Solution

For equimolar solution, osmotic pressure depends on the value of van't Hoff factor (i) ∴ Osmotic pressure ∝iFor KNO3 (being strong electrolyte), completely ionizes, i1=2But for CH3COOH, i2=1+∝∴ i1>i2  But  P1P2
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