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Read the paragraph carefully and answer the following questions:
Mole fraction of acetic acid in benzene given a solution having freezing point 277.4K. Freezing point of benezene is 278.4K and heat of fusion of benzene is 10.042 kJ/mol. If molarity of solution is equal to molality, and acetic acid is found in equilibrium with it dimmer than answer the following based upon above data
The degree of association according to above data acetic acid should be

A

`3Kxx` molality

B

`2Kxx` molality

C

`5Kxx` molality

D

`10Kxx` molatily

Text Solution

Verified by Experts

The correct Answer is:
C
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