Molecules of benzoic acid(C_(6)H_(5)COOH) dimerise in benzene. ‘w’ – InterviewSolution

1.	Molecules of benzoic acid(C_(6)H_(5)COOH) dimerise in benzene. ‘w’ g of the acid dissolved in 30g of benzene shows a depression in freezing point equal to 2K. If the percentage association of the acid to form dimer in the solution is 80, then w is : (Given thatK_(f)=5K Kg "mol"^(-1)Molar mass of benzoic acid=122 g "mol"^(-1))
Answer» 2.4 G 1.0 g 1.5 g 1.8 g SOLUTION :NA

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