From the following statements regarding `H_2O_2`, choose the incorrect statement.

Explanation

To determine the incorrect statement regarding hydrogen peroxide (H₂O₂), we will analyze each statement provided.

### Step-by-Step Solution:

1. **Statement A**: "H₂O₂ can act only as an oxidizing agent."
- This statement is incorrect. Hydrogen peroxide can act as both an oxidizing agent and a reducing agent depending on the reaction conditions. For example, in acidic medium, it can reduce Fe²⁺ to Fe³⁺ while being oxidized itself.

2. **Statement B**: "H₂O₂ decomposes on exposure to light."
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