Give an example of reaction where following are involved: Sound energy

Explanation

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for an example of a chemical reaction that involves sound energy.

2. **Identifying a Suitable Reaction**: One well-known example of a reaction that involves sound energy is the decomposition of acetylene (C2H2).

3. **Describing the Reaction**: In this reaction, acetylene breaks down into carbon (C) and hydrogen (H2) when sound energy is applied. The reaction can be represented as:
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