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Chloroform forms phosgene in air and light

This type of question, asked 3 times: 12 May 2024 S2, 11 Apr 2026 S2, 15 Apr 2026 S1. All 3 questions below, oldest first.

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  1. Question 1

    12 May 2024 S2

    62
    Which of the following gases is formed during oxidation of trichloromethane?

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  2. Question 2

    11 Apr 2026 S2

    38
    Which of the following compounds is formed when chloroform is exposed to air and light?

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  3. Question 3

    15 Apr 2026 S1

    37
    Which of the following halogen derivative forms a poisonous phosgene, when come in contact with air and light?

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