What is the role of platinum in catalytic converter ?

Explanation

**Step-by-Step Solution:**

1. **Understanding the Catalytic Converter:**
- A catalytic converter is an essential component of a vehicle's exhaust system. Its primary function is to reduce harmful emissions produced by the engine.

2. **Role of Platinum:**
- Platinum is a precious metal that acts as a catalyst in the catalytic converter. A catalyst is a substance that speeds up a chemical reaction without being consumed in the process.

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