AIPMT PRELIMS2010Chemistry-Solutions
AIPMT PRELIMS 2010 Chemistry Colligative Properties MCQ Question
Type: MCQ-conceptual-Medium-Class 12
An aqueous solution is 1.00 molal in KI. Which change will cause the vapour pressure of the solution to increase?
A
Addition of water
B
Addition of NaCl
C
Addition of Na₂SO₄
D
Addition of 1.00 molal KI
Correct Answer
Option A
Detailed Explanation
With addition of water, concentration decreases thus vapour pressure increases.
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