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
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