Assertion: Most carboxylic acids exist as dimers in the vapour phase or in aprotic solvents. Reason: Higher carboxylic acids are practically insoluble in water due to the increased hydrophobic interaction of hydrocarbon part.

Question

Assertion: Most carboxylic acids exist as dimers in the vapour phase or in aprotic solvents. Reason: Higher carboxylic acids are practically insoluble in water due to the increased hydrophobic interaction of hydrocarbon part. (A) If both assertion and reason are true and reason is the correct explanation of assertion (B) If both assertion and reason are true but reason is not the correct explanation of assertion (C) If assertion is true but reason is false (D) If both assertion and reason are false

Tardigrade Admin · Accepted Answer

Carboxylic acids exist as dimers due to intermolecular hydrogen bonding which is not broken completely even in the vapour phase or in aprotic solvents. <img class="img-fluid question-image" alt="image" src="https://cdn.tardigrade.in/img/question/chemistry/0944235f9c2d696794749516848a06a2-.png" />

Q. Assertion: Most carboxylic acids exist as dimers in the vapour phase or in aprotic solvents. Reason : Higher carboxylic acids are practically insoluble in water due to the increased hydrophobic interaction of hydrocarbon part.

If both assertion and reason are true and reason is the correct explanation of assertion

If both assertion and reason are true but reason is not the correct explanation of assertion

If assertion is true but reason is false

If both assertion and reason are false

Carboxylic acids exist as dimers due to intermolecular hydrogen bonding which is not broken completely even in the vapour phase or in aprotic solvents.

Q. Assertion: Most carboxylic acids exist as dimers in the vapour phase or in aprotic solvents.
Reason : Higher carboxylic acids are practically insoluble in water due to the increased hydrophobic interaction of hydrocarbon part.