How is benzoic acid converted to
Benzoic anhydride

Explanation

To convert benzoic acid to benzoic anhydride, follow these steps:

### Step 1: Understand the Reactants
Benzoic acid (C6H5COOH) is the starting material. It consists of a benzene ring (C6H5) attached to a carboxylic acid group (-COOH).

### Step 2: Identify the Reaction Conditions
To convert benzoic acid to benzoic anhydride, we need two moles of benzoic acid and a catalyst. The catalyst used in this reaction is vanadium pentoxide (V2O5).

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