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
- A$$i=(1-x)$$
- B$$i=(1+x)$$
- C$$i=\left(1-\frac{x}{2}\right)$$
- D$$i=\left(1+\frac{x}{2}\right)$$
✓ Correct answer: C
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