Two elements 'A' and 'B' form compounds having formulae AB_(2) and AB_ – InterviewSolution

1.	Two elements 'A' and 'B' form compounds having formulae AB_(2) and AB_(4). When dissolved in 20g of benzene, 1g of AB_(2) lowers the freezing point by2.3^(@)C whereas 1g of AB_(4) lowers the freezing point by 1.3^(@)C. Calculate the atmoic weights of A and B . (K_(f) for benzene =5.1^(@)Cm^(-1))
Answer» ANSWER :`25.57`, `42.63`

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