Question

Which of the following is a primary halide?

Options

• Isopropyl iodide

• sec-Butyl iodide

• tert-Butyl bromide

• Neopentyl chloride

Answer 1

Neopentyl chloride

Explanation:

Because the Cl-atom is linked to a primary carbon, neopentyl chloride is a primary alkyl halide.

\[\ce{(CH3)_3CCH2Cl}\]

Secondary alkyl halides include isopropyl iodide and sec-butyl iodide, while tert-butyl bromide is a tertiary halide.