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Practical Organic Chemistry

Section: Chemistry

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Question : 4

Total: 90

A toxic compound "A" when reacted with NaCN in aqueous acidic medium yields an edible cooking component and food preservative " B ". " B " 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∘C yields an inhalable anesthetic " D ". Identify " A ", " B ", " C " and " D ", respectively.

[4 Apr 2025 Shift 2]

Ethanol; acetonitrile; ethylamine; ethylene
Methanol; formaldehyde; methyl chloride; chloroform
Methanol; acetic acid; ethanol; diethyl ether
Acetaldehyde; 2-hydroxypropanoic acid; propanoic acid; dipropyl ether

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