Question

The ratio of van't hoff factor of acetic acid in benzene can be

Answer 1

Answer :0.5

Benzoic acid dimerizes in benzene.

Its van hoff factor will be 12

Answer :in between one and two

Acetic acid ionizes as CH3COOH⇌CH3COO−+H+CH3COOH⇌CH3COO−+H+

CH3COOH=1−αCH3COOH=1−α

CH3COO−=αCH3COO−=α

H+=αH+=α

It produces (1+α)(1+α) species from one CH3COOHCH3COOH.

Since α<1α<1 the van't hoff factor will lie in between 1 and 2

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