(a) Interpretation: The primary, secondary or tertiary amine in the given compound is to be classified. Concept introduction: Amines are nitrogen-containing organic compounds. The general formula of amines is R − NH 2 . Amines can be classified as primary amine, secondary amine, and tertiary amine. In Primary amines, one of the hydrogen atoms of ammonia is replaced by alkyl or aryl group. In secondary amines, two of the hydrogen atoms of ammonia are replaced by alkyl or aryl group. In tertiary amines, all hydrogen atoms of ammonia are replaced by alkyl or aryl group.

Question

1. Which statement best described the ability of amines to hydrogen bond? A. Primary, secondary and tertiary amines can all hydrogen bond with molecules identical to themselves. B. Primary and secondary amines can hydrogen bond with molecules identical to themselves, but tertiary amines cannot. C. Only primary amines can hydrogen bond with molecules identical to themselves. Secondary and tertiary amines cannot. D. Primary, secondary and tertiary amines cannot hydrogen bond with molecules identical to themselves, but the can hydrogen bond with water.

Answer 1

Question

Chapter 3, Problem 3.6P

Interpretation Introduction

(a)

Interpretation: The primary, secondary or tertiary amine in the given compound is to be classified.

Concept introduction: Amines are nitrogen-containing organic compounds. The general formula of amines is R−NH2. Amines can be classified as primary amine, secondary amine, and tertiary amine. In Primary amines, one of the hydrogen atoms of ammonia is replaced by alkyl or aryl group.

In secondary amines, two of the hydrogen atoms of ammonia are replaced by alkyl or aryl group.

In tertiary amines, all hydrogen atoms of ammonia are replaced by alkyl or aryl group.

Interpretation Introduction

(b)

Interpretation: The primary, secondary or tertiary amine in the given compound is to be classified.

Concept introduction: Amines are nitrogen-containing organic compounds. The general formula of amines is R−NH2. Amines can be classified as primary amine, secondary amine, and tertiary amine. In Primary amines, one of the hydrogen atoms of ammonia is replaced by alkyl or aryl group.

In secondary amines, two of the hydrogen atoms of ammonia are replaced by alkyl or aryl group.

In tertiary amines, all hydrogen atoms of ammonia are replaced by alkyl or aryl group.

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