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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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