AIIMS2016Chemistry-Solutions

AIIMS 2016 Chemistry Colligative Properties MCQ Question

Type: MCQ-numerical-Hard-Class 12

Two elements A and B form compounds of formula AB₂ and AB₄. When dissolved in 20.0 g of benzene 1.0 g of AB₂ lowers f. pt. by 2.3°C whereas 1.0 g of AB₄ lowers f. pt. by 1.3°C. The Kf for benzene is 5.1. The atomic masses of A and B are

A

25, 42

B

42, 25

C

52, 48

D

48, 52

Correct Answer

Option A

Detailed explanation coming soon.

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