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21. Explaina) Wurtz reaction

Answer»

Wurtz reaction is used to obtain even numbered alkane from alkyl halide. The reaction between alkail halide (dissolved in dry ether) and sodium metal is Wurtz reaction.Alkane and sodium halide is the product of this reaction.Alkane having odd number of carbon atom can't be produced through this reactio.

When two molecules of alkyl halide react with sodium metal in presence of dry ether,an alkane is formed

For example- CH3-Cl + 2Na + CH3Cl= CH3-CH3 +2NaCl



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