Question

What is the structure of carboxyl group?

Answer 1

Carboxyl groups are functional groups with a carbon atom double-bonded to an oxygen atom and single bonded to a hydroxyl group. The molecular formula is -COOH. Carboxyl groups missing a hydrogen atom are de-protonated and ionized. Ionized carboxyl groups act as acids, require less energy and are more stable.

Answer 2

This is a functional group present in carboxylic acids.

The structure is

O

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—C—O—H