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Products of cleaving an ether with HI

This type of question, asked 5 times: 2021 Paper 1, 2021 Paper 10, 28 Jul 2022, 23 Jan 2026 S2, 6 Apr 2026 S2. All 5 questions below, oldest first.

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  1. Question 1

    2021 Paper 1

    41
    What is the major product formed by HIHI on reaction with

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  2. Question 2

    2021 Paper 10

    35
    Main Products formed during a reaction of 1-methoxy naphthalene with hydroiodic acid are:

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  3. Question 3

    28 Jul 2022

    134
    Compound II is heated with Conc. HI to give a hydroxy compound AA which is further heated with ZnZn dust to give compound BB. Identify AA and BB.

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  4. Question 4

    23 Jan 2026 S2

    41
    A mixed ether ( P ), when heated with excess of hot concentrated hydrogen iodide produces two different alkyl iodides which when treated with aq. NaOH give compounds (Q) and (R). Both (Q) and (R) give yellow precipitate with NaOI. Identify the mixed ether (P):

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  5. Question 5

    6 Apr 2026 S2

    41
    Consider the following reaction. Statement I: In the above reaction, product formed will be a mixture of benzyl alcohol and iodobenzamide. Statement II : In the above reaction, the −O−CH2−- O - {CH}_{2} - bond is cleaved to give the product. In the light of the above statements, choose the correct answer from the options given below:

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