The following questions consist of two statements - Assertion (A) and Reason(R).
Answer the questions selecting the appropriate options given below:
Assertion (A) : `C_2H_4` will undergo addition an reaction with hydrogen
Reason (R): `C_2H_4` is unsaturated compound.

Explanation

To solve the question, we need to analyze both the Assertion (A) and the Reason (R) provided:

**Assertion (A):** `C2H4` will undergo an addition reaction with hydrogen.
**Reason (R):** `C2H4` is an unsaturated compound.

### Step-by-Step Solution:

1. **Understanding C2H4:**
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