Benzoic acid undergoes dimerisation in benzene solution, the van't Hoff factor 'i' is related to the degree of association 'x' of the acid as

Options

A. i= (1 - x)
B. i = (1 + x)
C. i = (1 - x/2)
D. i = (1 + x/2)

Answer

C

Explanation

i = (1 - x/2)