In rosenmund reduction, benzoyl chloride in boiling xylene is reduced to benzaldehyde in presence of______.

Explanation

To solve the question regarding the Rosenmund reduction, we will follow these steps:

### Step 1: Understand the Reaction
Rosenmund reduction is a chemical reaction that involves the reduction of acid chlorides to aldehydes. In this case, we are looking at benzoyl chloride, which is an acid chloride.

**Hint:** Remember that Rosenmund reduction specifically targets acid chlorides and converts them to aldehydes.

### Step 2: Identify the Reactants
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