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?

Aldehyde

Ether

Amide

Alcohol

Verified step by step guidance

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

Understand the structure of a carbonyl group, which is a carbon atom double-bonded to an oxygen atom, represented as

C = O

Recognize that an amide is a functional group where the carbonyl group is bonded to a nitrogen atom. The general structure of an amide is

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

), Ether (

R - O - R'

), and Alcohol (

R - O H

). 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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