Which of the following method can be used for the preparation of methane?
Kolbe's reaction
Wurtz reaction
Hydrogenation of alkene
Reduction of alkyl halide
A
Kolbe's reaction
B
Reduction of alkyl halide
C
Wurtz reaction
D
Hydrogenation of alkene
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Solution
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Among the given reaction, methane can only be prepared by reduction of alkyl halides.
All other methods prepare ethane as the smallest hydrocarbon.
The preparation of methane by reduction of alkyl halide can be given as follow:
CH3−ClZn−−→H+CH4methane
Hence, the correct option is (C).
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