Identify primary, secondary, tertiary and quaternary carbon atoms in the following compound:
`CH_(3)- underset(underset(CH_(3))(|))overset(overset(CH_(3))(|))(C )- overset(overset(C_(2)H_(5))(|))(CH)- CH_(2)-CH_(3)`

Explanation

To identify the primary, secondary, tertiary, and quaternary carbon atoms in the given compound, we will follow these steps:

### Step 1: Understand the Definitions
- **Primary Carbon (1°)**: A carbon atom bonded to only one other carbon atom.
- **Secondary Carbon (2°)**: A carbon atom bonded to two other carbon atoms.
- **Tertiary Carbon (3°)**: A carbon atom bonded to three other carbon atoms.
- **Quaternary Carbon (4°)**: A carbon atom bonded to four other carbon atoms.

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