The molecular mass of benzoic acid in benzene as determined by depression in freezing point method corresponds to :
A
ionization of benzoic acid
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B
dimerization of benzoic acid
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C
trimerization of benzoic acid
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D
solvation of benzoic acid
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Solution
The correct option is B dimerization of benzoic acid The molar mass of benzoic acid in benzene as determined by depression in freezing point method corresponds to dimerization of benzoic acid. Benzoic acid dimerises due to strong H -bonding.