Published by:
CGP EDU Academic Team
Published on: August 14, 2026
Molecules of benzoic acid 
dimerise in benzene. ‘w’ g of the acid dissolved in 30 g of benzene shows a depression in freezing point equal to 2 K. If the percentage association of the acid to form dimer in the solution is 80 then w is : (Given that 
K kg 
Molar mass of benzoic acid = 122 g 
)
Text Solution
Verified by ExpertsThe correct answer is:
A
Moles at equilibrium 
g
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