Select odd one out in the `CH_4, C_3H_8, C_2H_4, C_2H_6, C_4H_10`

Explanation

To solve the problem of selecting the odd one out from the given hydrocarbons: CH₄, C₃H₈, C₂H₄, C₂H₆, and C₄H₁₀, we will analyze each compound based on its classification as either an alkane or an alkene.

### Step-by-Step Solution:

1. **Identify the Hydrocarbons**:
- The given hydrocarbons are:
- CH₄
- C₃H₈
...