NEET2015Chemistry-Solutions
NEET 2015 Chemistry Colligative Properties MCQ Question
Type: MCQ-conceptual-Medium-Class 12
The boiling point of 0.2 mol kg⁻¹ solution of X in water is greater than equimolal solution of Y in water. Which one of the following statements is TRUE in this case?
A
X is undergoing dissociation in water.
B
Molecular mass of X is greater than the molecular mass of Y.
C
Molecular mass of X is less than the molecular mass of Y.
D
Y is undergoing dissociation in water while X undergoes no change.
Correct Answer
Option D
Detailed Explanation
The boiling point elevation is greater for Y, indicating that Y dissociates in water, increasing the number of particles and thus the boiling point.
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