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Q. If chloroform is left open in the presence of sunlight, then:

J & K CETJ & K CET 2000

Solution:

If chloroform is left open in the presence of sunlight then oxidation of chloroform takes place and a poisonous gas phosgene is formed. It is also called as carbonyl chloride.
$\underset{\text { chloroform }}{ CHCl _{3}}+\frac{1}{2} O _{2} \xrightarrow{\text { air, light }}{\longrightarrow } \underset{\text { phosgene }}{ COCl _{2}}+ HCl$