What happens when methyl iodide is warmed with sodium metal?

Methane is produced

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Ethane is produced

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Iodine is evolved

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The reaction does not happen

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Solution

The correct option is B
Ethane is produced

When methyl iodide or methyl bromide is warmed with sodium metal in the presence of dry ether, ethane is produced.

$2 C H_{3} I + 2 N a \to H_{3} C - C H_{3} + 2 N a I$

This reaction is called as Wurtz reaction.Methane cannot be prepared by this method. This method is not suitable for the preparation of alkanes with odd number of carbon atoms.

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