The compound added to prevent chloroform from | vedclass

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Question

(A) Chloroform $(CHCl_3)$ is slowly oxidized by air in the presence of light to form an extremely poisonous gas,carbonyl chloride $(COCl_2)$,also know

Vedclass · Accepted Answer

$C_2H_5OH$

Vedclass · Answer

(A) Chloroform $(CHCl_3)$ is slowly oxidized by air in the presence of light to form an extremely poisonous gas,carbonyl chloride $(COCl_2)$,also known as phosgene.$2CHCl_3 + O_2 \xrightarrow{light} 2COCl_2 + 2HCl$To prevent this oxidation,$1\%$ of ethanol $(C_2H_5OH)$ is added to chloroform.Ethanol reacts with any phosgene formed to convert it into non-poisonous diethyl carbonate.$COCl_2 + 2C_2H_5OH \rightarrow (C_2H_5O)_2CO + 2HCl$Therefore,the correct option is $A$.

The compound added to prevent chloroform from forming phosgene gas is

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