Question

Assertion (A) Molality of a solution does not change with temperature.
Reason (R) Mass is affected with temperature.

• A. Both $A$ and $R$ are correct; $R$ is the correct explanation of $A$.
• B. Both $A$ and $R$ are correct; $R$ is not the correct explanation of $A$.
• C. $A$ is correct; $R$ is incorrect.
• D. $A$ is incorrect; $R$ is correct.

Answer 1

Answer: (C)

Molality of a solution does not change with temperature, since mass remains unaffected with temperature.
Thus, $A$ is correct but $R$ is incorrect.