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Question
The conversion of an alkyl halide into an alkene by alcoholic KOH is classified as ______.
Options
a substitution reaction
an addition reaction
a dehydrohalogenation reaction
a dehydration reaction
Solution
The conversion of an alkyl halide into an alkene by alcoholic KOH is classified as a dehydrohalogenation reaction.
Explanation:
When an alkyl halide is treated with an alcoholic solution of potassium hydroxide (KOH), hydrogen halide is removed. It leads to the production of alkene. This is an example of a dehydrohalogenation (β-elimination) reaction.
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