Which of the following alkyl halide is used as a methylating agent

Options

(a) C₂H₅Cl
(b) CH₃I
(c) C₆H₅Cl
(d) C₂H₅Br

Correct Answer:

CH₃I

Explanation:

Methyl iodide (CH₃I) is used as a methylating agent, because methyl group (CH₃⁻) is easily released by methyl iodide..