Step 1: Naming the compound.
The given compound is 1-Chloro-2, 2-dimethyl propane. In common nomenclature, this compound is known as neo-pentyl chloride. The name "neo-pentyl" comes from the structure with a five-carbon chain and a chloromethyl group attached to the first carbon.
Step 2: Analyzing the options.
(A) neo-pentyl chloride: Correct — This is the common name for 1-Chloro-2, 2-dimethyl propane.
(B) isopropyl chloride: This is a different compound.
(C) n-pentyl chloride: This is not the correct name for the compound.
(D) isopentyl chloride: This is another name for a different compound.
Step 3: Conclusion.
The correct answer is (A) neo-pentyl chloride.