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Phenol dismerises in benzene having Van,...

Phenol dismerises in benzene having Van,t Hoff factor 0.54 What is the degree of association?

A

`0.46`

B

`92`

C

`46`

D

`0.92`

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The correct Answer is:
D
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Define Van't Hoff factor.

The depression in the freezing point of a benzene solution containing 0.784g of Acetic acid dissolved in 100ml of benzene is 0.35k. Calculate the van.t Hoff factor and the degree of association of the solute at this concentration (k_(f)" for benzene = 5.10 k.kg.mol"^(-1)," molar mass of acetic acid is 60.01").

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