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A toxic compound " A " when reacted with NaCN in aqueous acidic medium yields an edible cooking component and food preservative ' B '. " B " is…

JEE Main 2025 — Chemistry Organic Chemistry

2025mcqhard

A toxic compound " A " when reacted with NaCN in aqueous acidic medium yields an edible cooking component and food preservative ' BBB '. " BBB " is converted to "C" by diborane and can be used as an additive to petrol to reduce emission. "C" upon reaction with oleum at 140∘C140^{\circ} \mathrm{C}140∘C yields an inhalable anesthetic "D". Identify "A", "B", "C" and "D", respectively.

Official previous-year question

Held on 4 Apr 2025 · Verified 6 Jul 2026.

Options

  1. A

    Methanol; formaldehyde; methyl chloride; chloroform

  2. B

    Ethanol; acetonitrile; ethylamine; ethylene

  3. C

    Methanol; acetic acid; ethanol; diethyl ether

  4. D

    Acetaldehyde;2- hydroxypropanoic acid; propanoic acid; dipropyl ether

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