Chemistry-Concentration Terms

NEET Chemistry Concentration Terms Assertion Reason Question

Type: Assertion Reason-assertion-Easy-Class 12

Assertion (A): A 35% (v/v) ethylene glycol solution is effective in lowering the freezing point of water significantly. | Reason (R): Volume percentage is a common concentration unit for solutions containing liquids.

A

Both A and R are true and R explains A.

B

Both A and R are true but R does not explain A.

C

A is true but R is false.

D

A is false.

Correct Answer

Option A

Detailed Explanation

A 35% (v/v) ethylene glycol solution effectively lowers the freezing point of water, and volume percentage is a common unit for liquid solutions, explaining the effectiveness of the solution.

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