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