JEE Main 2017Session, Shift 1ChemistryMediumSolutions71× since 2002
The freezing point of benzene decreases by 0.45⁰C when 0.2 g of acetic acid is added to 20g of benzene. If
acetic acid associates to form a dimer in benzene, percentage association of acetic acid in benzene will be:
(K_f for benzene = 5.12 K kg mol^–1)