Which colorless gas is produced by the combustion of chlorine-containing materials such as PVC?

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Multiple Choice

Which colorless gas is produced by the combustion of chlorine-containing materials such as PVC?

Explanation:
Burning chlorine-containing plastics releases hydrogen chloride gas due to the chlorine in the polymer being removed as HCl. Hydrogen chloride is colorless and highly corrosive. The other gases don’t fit the clue: H2S has a rotten-egg odor, NO2 is a brown gas, and CO2 is colorless but not the characteristic product of burning chlorine-containing materials. Therefore, the colorless gas produced is hydrogen chloride.

Burning chlorine-containing plastics releases hydrogen chloride gas due to the chlorine in the polymer being removed as HCl. Hydrogen chloride is colorless and highly corrosive. The other gases don’t fit the clue: H2S has a rotten-egg odor, NO2 is a brown gas, and CO2 is colorless but not the characteristic product of burning chlorine-containing materials. Therefore, the colorless gas produced is hydrogen chloride.

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