NEETChemistry-Solutions
NEET Chemistry Colligative Properties MCQ Question
Type: MCQ-numerical-Medium-Class 12
The elevation in boiling point of a solution of 9.43 g of MgCl₂ in 1 kg of water is (Kb = 0.52 K kg mol⁻¹, Molar mass of MgCl₂ = 94.3 g mol⁻¹)
A
0.156
B
0.52
C
0.17
D
0.94
Correct Answer
Option A
Detailed Explanation
Using the formula ΔTb = iKb m, where i is the van't Hoff factor for MgCl₂ (i=3), the elevation is calculated to be 0.156 K.
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