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Methyl magnesium bromide with CdCl2, then acetyl chloride: product

The same question, asked 2 times: 2 May 2023 S1, 19 Apr 2025 S2. Every wording below, oldest first.

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  1. Question 1

    2 May 2023 S1

    88
    Identify the product B in the following sequence of reactions. CH3MgBr→CdCl2A→CH3COClB\text{CH}_3\text{MgBr} \xrightarrow{\text{CdCl}_2} A \xrightarrow{\text{CH}_3\text{COCl}} B

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  2. Question 2

    19 Apr 2025 S2

    71
    Identify the product ' BB ' in the following sequence of reactions. Methyl magnesium bromide →CdCl2\xrightarrow{CdCl_{2}} A →CH3COCl B\ \xrightarrow{CH_{3}COCl}\ B

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