Table of contents

2. Molecular Representations

Functional Groups

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Multiple Choice

Which of the following functional groups contains a carbonyl group bonded to a nitrogen atom?

Amide

Aldehyde

Alcohol

Ether

Verified step by step guidance

Understand the structure of a carbonyl group. A carbonyl group consists of a carbon atom double-bonded to an oxygen atom, represented as

C = O

Identify the functional groups listed in the problem: Amide, Aldehyde, Alcohol, and Ether.

Recall the structure of an amide. An amide contains a carbonyl group bonded to a nitrogen atom, represented as

R C = O N H R'

, where

R

and

R'

are organic groups.

Compare the structures of the other functional groups: Aldehyde (

R C = O H

), Alcohol (

R OH

), and Ether (

R O R'

). None of these contain a carbonyl group bonded to a nitrogen atom.

Conclude that the functional group containing a carbonyl group bonded to a nitrogen atom is the amide.

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