Calculate the oxidation number of carbon in the following compounds.
`CH_(4),CH_(3)Cl,CH_(2)Cl_(2),CHCl_(3),C Cl_(4)`

Explanation

To calculate the oxidation number of carbon in the given compounds, we will follow a systematic approach for each compound. The oxidation number of carbon will be denoted as \( x \).

### Step-by-Step Solution:

1. **For \( CH_4 \) (Methane)**:
- The oxidation number of hydrogen is +1.
- The equation can be set up as:
\[
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