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Lucas test: the reagent and the order of reactivity of primary, secondary and tertiary alcohols

This type of question, asked 3 times: 9 May 2023 S1, 11 May 2023 S1, 17 Apr 2026 S2. All 3 questions below, oldest first.

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  1. Question 1

    9 May 2023 S1

    93
    The decreasing order of reactivity of following alcohols with halo acid is: (I) CH3OH, (II) CH3CH2OH, (III) secondary alcohol structure, (IV) tertiary alcohol structure

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  2. Question 2

    11 May 2023 S1

    96
    Which from following is called as Lucas reagent?

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  3. Question 3

    17 Apr 2026 S2

    39
    Which of the following alcohols on addition of Lucas reagent reacts fast and turns the reagent turbid instantly.

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