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The freezing point of benzene decreases ...

The freezing point of benzene decreases by `0.45^(@)C` when o.2g of acetic acid is added to 20 g of benzene . If acetic acid associates to form a dimer in benzene, percentage association of acetic acid in benzene will be -
(`K_(f)` for benzene = 5.12. kg. mol^(-1)`)

A

0.804

B

0.746

C

0.946

D

0.646

Text Solution

Verified by Experts

The correct Answer is:
C
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