First slide

Alkanes

Question

Pure methane can be prepared by which of the following method?

Easy

A

Wurtz reaction
B

Kolbe electrolysis method
C

De-carboxylation by Soda-lime
D

Reduction with Hydrogen and catalyst

Solution

$C H_{3} C O_{2} H \to_{Δ}^{N a O H + C a O} C H_{4} + C O_{2}$ ,Wurtz reaction and Kolbe’s reaction cannot be used to prepare methane, since C-C bond formation occurs in both the reaction.

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