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Question: Which of the following compounds gives methane on reaction with water?...

Which of the following compounds gives methane on reaction with water?

A

CaC2CaC_{2}

B

B4CB_{4}C

C

SiC

D

Al4C3Al_{4}C_{3}

Answer

Al4C3Al_{4}C_{3}

Explanation

Solution

: Methane is prepared by action of water ofr dilute HCl on aluminium carbide at room temperature.

Al4C3+12H2O→4Al(OH)3+3CH4Al_{4}C_{3} + 12H_{2}O \rightarrow 4Al(OH)_{3} + 3CH_{4}