Haloalkanes in the presence of alcoholic KOH | vedclass

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(A) Haloalkanes in the presence of alcoholic $KOH$ undergo an elimination reaction,specifically known as a dehydrohalogenation reaction.In this reacti

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Elimination

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(A) Haloalkanes in the presence of alcoholic $KOH$ undergo an elimination reaction,specifically known as a dehydrohalogenation reaction.In this reaction,a hydrogen atom is removed from the $\beta$-carbon and a halogen atom is removed from the $\alpha$-carbon,resulting in the formation of an alkene.Example: $CH_3CH_2CH_2Br + alc. KOH \rightarrow CH_3CH = CH_2 + KBr + H_2O$

Haloalkanes in the presence of alcoholic $KOH$ undergo:

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