Question

what are functional groups?
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Answer 1

Answer:

In organic chemistry, a functional group is a substituent or moiety in a molecule that causes the molecule's characteristic chemical reactions. The same functional group will undergo the same or similar chemical reactions regardless of the rest of the molecule's composition.

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Answer 2

Answer:

A functional group in organic chemistry is a collection of atoms within molecules which bind together to react in predictable ways. Examples of functional groups include the group hydroxyl, ketone, amine, and ether.

Functional groups include: hydroxyl, methyl, carbonyl, carboxyl, amino, phosphate, and sulfhydryl.