Orthophosphoric acid `(H_(3)PO_(4))` is not a reducing agent wheres hypophosphorus acid `(H_(3)PO_(2))` is a strong reducing agent "Explain and justify the above statement with the help of a suitable example.

Explanation

To explain why orthophosphoric acid (H₃PO₄) is not a reducing agent while hypophosphorus acid (H₃PO₂) is a strong reducing agent, we can analyze their oxidation states and chemical behavior.

### Step-by-Step Solution:

1. **Identify the Oxidation States:**
- For **Orthophosphoric Acid (H₃PO₄)**:
- The oxidation state of phosphorus (P) can be calculated as follows:
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