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Reimer-Tiemann reaction: reagent, name and product

This type of question, asked 3 times: 11 May 2023 S1, 15 Apr 2026 S1, 15 Apr 2026 S2. All 3 questions below, oldest first.

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  1. Question 1

    11 May 2023 S1

    98
    Which reagent from following is used in Reimer-Tiemann reaction?

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  2. Question 2

    15 Apr 2026 S1

    39
    In the following sequence of the reaction, the final product "C" is- C6H5OH →Aq NaOHCCl4 A →NaOH B →H3O+ C\mathrm{C_6H_5OH}\ \xrightarrow[\text{Aq NaOH}]{\mathrm{CCl_4}}\ \mathrm{A}\ \xrightarrow{\mathrm{NaOH}}\ \mathrm{B}\ \xrightarrow{\mathrm{H_3O^+}}\ \mathrm{C}

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  3. Question 3

    15 Apr 2026 S2

    42
    Identify the name of reaction when phenol reacts with chloroform in aqueous NaOH.

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