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Alkane formed when a Grignard reagent reacts with water, an alcohol or ammonia

This type of question, asked 8 times: 10 May 2023 S1, 11 May 2023 S2, 9 May 2024 S1, 12 May 2024 S1, 19 Apr 2025 S1, 20 Apr 2025 S1, 23 Apr 2025 S1, 12 May 2026 S1. All 8 questions below, oldest first.

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  1. Question 1

    10 May 2023 S1

    91
    Identify the product P of following reaction: CH3OH+CH3MgX⟶P+MgXOCH3\text{CH}_3\text{OH}+\text{CH}_3\text{MgX}\longrightarrow P+\text{MgXOCH}_3

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  2. Question 2

    11 May 2023 S2

    86
    Identify the product 'B' in the following reaction sequence. C2H5Br→Mg/dry etherA→CH3OHB\text{C}_2\text{H}_5\text{Br} \xrightarrow{\text{Mg/dry ether}} A \xrightarrow{\text{CH}_3\text{OH}} B

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  3. Question 3

    9 May 2024 S1

    99
    What is the number of moles of water molecules required to prepare nn moles of methane from nn moles of methyl magnesium iodide?

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  4. Question 4

    12 May 2024 S1

    96
    Identify the product obtained in following reaction: n CH3MgI+H2O→dry ethern\,\text{CH}_3\text{MgI}+\text{H}_2\text{O}\xrightarrow{\text{dry ether}} product

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  5. Question 5

    19 Apr 2025 S1

    87
    Identify the product ' BB ' in the following reaction sequence. Alkyl halide →Dry etherMgA→NH3B\xrightarrow[\text{Dry ether}]{\text{Mg}} A \xrightarrow{\text{NH}_3} B

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  6. Question 6

    20 Apr 2025 S1

    67
    Identify the product ' ZZ ' in the following series of reactions. Ethanol →ΔSOCl2X→Dry etherMgY→NH3Z+Mg(NH2)Cl\xrightarrow[\Delta]{\text{SOCl}_2} X \xrightarrow[\text{Dry ether}]{\text{Mg}} Y \xrightarrow{\text{NH}_3} Z + \text{Mg(NH}_2)\text{Cl}

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  7. Question 7

    23 Apr 2025 S1

    72
    Identify the product ' ZZ ' in the following series of reactions.

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  8. Question 8

    12 May 2026 S1

    36
    Identify the product obtained when alkyl magnesium halides are reacted with water.

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