Chemistry Solution & Colligative Properties All Topic Question for Revision Test Single Correct MCQ
Published on: August 13, 2026

Among the given statements, regarding abnormal molar masses all are true except?

A
The molar mass that is either lower or higher than the expected or normal value is called abnormal molar mass.
B
van't Hoff factor more than unity indicates that the solute in solution is associated.
C
Benzoic acid is dissolved in benzene, its van't Hoff factor will be equal to 0.5 .
D
Abnormal molar mass is the experimentally determined molar mass by assuming that the non-volatile solute is neither associated nor dissociated.

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The correct answer is:
B

Only statement is incorrect, rest all are correct. The correct statement for is as follows van't Hoff factor more than unity indicates that the solute in solution has dissociated.

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