What do you understand by decarboxylation of an acid ?

Explanation

**Step-by-Step Text Solution:**

1. **Definition of Decarboxylation:**
Decarboxylation is a chemical reaction that involves the removal of a carboxyl group (-COOH) from a carboxylic acid, resulting in the release of carbon dioxide (CO2).

2. **Understanding the Carboxyl Group:**
The carboxyl group consists of a carbon atom double-bonded to an oxygen atom (C=O) and single-bonded to a hydroxyl group (OH). This group is characteristic of carboxylic acids.

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