Write structures for each of the following compounds. Why are the given names incorrect? Write correct IUPAC names.
(i) 2-Ethylpentane
(ii) 5-Ethyl – 3-methylheptane

Explanation

To solve the question, we will follow these steps:

### Step 1: Draw the structure for 2-Ethylpentane
1. **Identify the main chain**: The name "pentane" indicates a five-carbon main chain.
2. **Add the ethyl group**: The "2-ethyl" indicates that there is an ethyl group (C2H5) attached to the second carbon of the pentane chain.

**Structure**:
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