Chemistrymedium · Past Paper

Which gas is produced when carbon monoxide reacts with chlorine in the presence of sunlight?

APhosgene
BChloroform
CCarbon tetrachloride
DMethyl chloride

✓ Correct Answer: APhosgene

Carbon monoxide reacts with chlorine to form carbonyl chloride (COCl2), which is a highly toxic gas known as phosgene.

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