Give the IUPAC name of the product formed when isobutylene is treated with a few drops of concentrated sulphuric acid.

Explanation

To determine the IUPAC name of the product formed when isobutylene is treated with concentrated sulfuric acid, we can follow these steps:

### Step 1: Identify the structure of isobutylene
Isobutylene, also known as 2-methylpropene, has the following structure:

```
CH3
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