A) chloropicrin
B) phosgene
C) carbon tetrachloride
D) benzene
Correct Answer: B
Solution :
Chloroform on exposure to sunlight and air, reacts with oxygen present in air and is slowly oxidised to carbonyl chloride (or phosgene), a poisonous substance. \[2CHC{{l}_{3}}+{{O}_{2}}\xrightarrow[sunlight]{air}\underset{Phosgene}{\mathop{2COC{{l}_{2}}}}\,+2HCl\]
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