Why is red phosphorus less reactive than white phosphorus ?

Explanation

To understand why red phosphorus is less reactive than white phosphorus, we can analyze the structures and bonding of both allotropes of phosphorus.

### Step-by-Step Solution:

1. **Identify Allotropic Forms of Phosphorus**:
- Phosphorus exists in several allotropes, with the most common being white phosphorus and red phosphorus.

2. **Structure of White Phosphorus**:
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