Which of the following gives methane on hydrolysis

Options

(a) CaC₂
(b) Al₄C₃
(c) Al₂O₃
(d) Fe₃O₄

Correct Answer:

Al₄C₃

Explanation:

Al₄C₃ + 12H₂O → 4Al(OH)₃ + 3CH₄↑