Question

A primary amine has higher boiling point than any tertiary amine. A tertiary amine has greater number of $N - H$ bonds for $H$-bonding.

• A. If both Assertion: and Reason: are true and the Reason: is the correct explanation of the Assertion:
• B. If both Assertion: and Reason: are true but the Reason: is not the correct explanation of the Assertion:
• C. If Assertion: is true but Reason: is false
• D. If both Assertion: and Reason: are false

Answer 1

Answer: (C)

If Assertion: is true but Reason: is false

Answer 2

Primary amines have two $N - H$ bonds, thus have the ability of $H$-bonding while such an ability is not found in tertiary amines because of the absence of $N - H$ bonds. Thus, primary amines have higher boiling point than tertiary amines having same molecular mass. Hence, Assertion is true but Reason is false.