Published by:
CGP EDU Academic Team
Published on: August 14, 2026
In this type of questions, a statement of assertion 
is followed by a statement of reason
(R). Mark the correct choice as :
Assertion : NaCl in water and organic acids in benzene show abnormal molecular mass.
Reason : Abnormal molecular mass is obtained when the substance in the solution undergoes dissociation or association.
Text Solution
Verified by ExpertsThe correct answer is:
A
Dissociation results in the increase in the number of particles and hence, increases the value of colligative property and decreases the molecular mass. Association results in the reverse.
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