Two solutions of KNO3 and CH3COOH are prepared separately. Molarity of both is 0.1 M and osmotic pressures are P1 and P2 respectively. The correct relationship between the osmotic pressures is :

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P2>P1

P1=P2

P1>P2

P1P1+P2=P2P1+P2

answer is C.

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Detailed Solution

KNO3 is 100% ionised while CH3COOH is weak electrolyte ∴ iKNO3>iCH3COOH ∴ P1>P2

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