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(B) The reaction involves the esterification of a diol containing both a primary $(1^{\circ})$ and a secondary $(2^{\circ})$ alcohol group with benzoi

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(B) The reaction involves the esterification of a diol containing both a primary $(1^{\circ})$ and a secondary $(2^{\circ})$ alcohol group with benzoic acid in the presence of an acid catalyst $(HCl)$.Esterification is a nucleophilic substitution reaction where the alcohol acts as a nucleophile. The rate of esterification is primarily governed by steric hindrance.Primary alcohols $(R-CH_2OH)$ are less sterically hindered and more nucleophilic than secondary alcohols $(R_2CH-OH)$.Therefore,the primary alcohol group $(CH_2OH)$ reacts faster than the secondary alcohol group ($OH$ attached to the ring) to form the ester.The major product is the ester formed at the primary alcohol position.

The major product of the above esterification reaction is:

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