Question Detail

CHM 102 Practice Questions Objective Question

Question

Methane can be prepared by :
Options
A the reaction of iodomethane with sodium in dry ether
B the reaction of methanol with concentrated H2SO4
C the reaction of sodium methanoate with soda-lime
D the reaction of sodium ethanoate with soda-lime
Correct Answer
Correct Answer

Option D is the correct answer.

Detailed Explanation

Methane is prepared by the decarboxylation of sodium ethanoate (sodium acetate) with soda-lime (NaOH + CaO). The reaction is: CH3COONa + NaOH → CH4 + Na2CO3.

Hint

Which salt decarboxylation gives methane?

Question Info