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Ethylmagnesium bromide with dry ice, then dilute HCl: the acid formed

The same question, asked 2 times: 15 May 2023 S1*, 26 Apr 2025 S2. Every wording below, oldest first.

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  1. Question 1

    15 May 2023 S1

    83
    Identify the product formed in the following reaction. CH3CH2MgBr→i) dry ice/dry ether, ii) dil HCl\text{CH}_{3}\text{CH}_{2}\text{MgBr} \xrightarrow{\text{i) dry ice/dry ether, ii) dil HCl}} product

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  2. Question 2

    26 Apr 2025 S2

    95
    Identify the product formed in the following reaction. CH3CH2MgBr→ ii) dil. HCl  i) Dry ice/ dry ether CH_{3}CH_{2}MgBr\xrightarrow[\text{~ii) dil. HCl~}]{\text{~i) Dry ice/ dry ether~}} Product

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