Chemistry-Raoult's Law

NEET Chemistry Raoult's Law Assertion Reason Question

Type: Assertion Reason-assertion-Medium-Class 12

Assertion (A): A solution of ethanol and acetone shows positive deviation from Raoult's law. | Reason (R): The intermolecular forces between ethanol and acetone molecules are stronger than those in pure ethanol.

A

Both (A) and (R) are true and (R) is the correct explanation of (A).

B

Both (A) and (R) are true but (R) is not the correct explanation of (A).

C

(A) is true but (R) is false.

D

(A) is false.

Correct Answer

Option C

Detailed Explanation

The NCERT context explains that ethanol and acetone show positive deviation because acetone disrupts the hydrogen bonding in ethanol, indicating weaker interactions in the mixture than in pure ethanol.

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