Which of the following functional groups is the carboxyl group?
A) -NH2
B) -PO4
C) -COOH
D) -SH
E) -OH

Name: Which of the following functional groups is the carboxyl group? A) -NH2 B) -PO4 C) -COOH D) -SH E) -OH
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Question

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The carboxyl group is -COOH, which consists of a carbonyl group (C=O) and a hydroxyl group (-OH) bonded to the same carbon atom. The -NH2 group is an amino group, the -PO4 group is a phosphate group, the -SH group is a sulfhydryl group, and the -OH group is a hydroxyl group.

Which of the Following Functional Groups Is the Carboxyl Group