Question

Molecular formula C3H9N represents:
(A) Only primary amine
(B) Only secondary amine
(C) Three primary amine, two secondary amine and one tertiary amine
(D) Two primary amine, one secondary amine and one tertiary amine​

Answer 1

Answer:

The answer is (B) Only Secondary Amine

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Answer 2

Molecular formula $C_{3}H_{9}N$ represents two primary amine, one secondary amine and one tertiary amine​.

Explanation:

When amine group is attached to the extreme carbon of an alkyl group then it is known as a primary amine.

When amine group is attached to the central carbon atom in an alkyl chain then it is known as a secondary amine. When an amine is surrounded by three carbon atoms then it is known as tertiary amine.

For example, a molecule of $C_{3}H_{9}N$ can have two primary amine, one secondary amine and one tertiary amine​.

Read more about structural isomers:

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