A small amount of alcohol is usually added to CHCl_3 bottles because:

JEE Main Chemistry question

A small amount of alcohol is usually added to bottles because:

(A)It retards the anaesthetic property of
(B)It retards the oxidation of to phosgene
(C)It converts any phosgene formed to harmless ethyl carbonate
(D)Both (B) and (C)Correct

Answer: (D)

Solution

The ethanol added as a preservative serves a dual protective role: it acts as an antioxidant that slows the aerial oxidation of chloroform to phosgene in the first place (B), and it also reacts with any phosgene that does

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Question ID VK-148236