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Major product of dehydrohalogenation of an alkyl halide with alcoholic KOH

This type of question, asked 3 times: May 2022 S1, 12 May 2024 S1, 14 May 2024 S2. All 3 questions below, oldest first.

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  1. Question 1

    May 2022 S1

    96
    Identify the product A in the following reaction.

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  2. Question 2

    12 May 2024 S1

    65
    Identify major product A in following reaction: 3-Bromo-2-methylpentane →alc. KOH,Δ\xrightarrow{\text{alc. KOH},\Delta} A

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  3. Question 3

    14 May 2024 S2

    76
    Identify major product formed: 3-Bromo-2-methylpentane →Alc. KOH/Δ\xrightarrow{\text{Alc. KOH}/\Delta} Major product

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