Give IUPAC names of the following:
`ClCH_(2)COOH`

Explanation

To find the IUPAC name of the compound ClCH₂COOH, we will follow these steps:

### Step 1: Identify the functional group
The compound contains a carboxylic acid functional group (-COOH). This is the highest priority functional group in IUPAC nomenclature.

### Step 2: Determine the longest carbon chain
The longest carbon chain that includes the carboxylic acid is two carbon atoms long. Therefore, the base name will be derived from "ethane" since it has two carbon atoms.

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