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Oxidation number of chlorine or iodine in its oxyacids and oxyanions

This type of question, asked 5 times: 2 May 2023 S2, 3 May 2023 S2, 4 May 2023 S1, 11 Apr 2026 S2, 20 Apr 2026 S2. All 5 questions below, oldest first.

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  1. Question 1

    2 May 2023 S2

    60
    Which of the following compounds contains chlorine in +5+5 oxidation state?

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  2. Question 2

    3 May 2023 S2

    97
    In which of the following compounds chlorine has highest oxidation state?

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  3. Question 3

    4 May 2023 S1

    73
    Which compound from following contains iodine with highest oxidation number?

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  4. Question 4

    11 Apr 2026 S2

    11
    Find the oxidation number of Cl in ClO4−1\mathrm{ClO_4^{-1}}

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  5. Question 5

    20 Apr 2026 S2

    12
    What is the oxidation number of Cl in HOClO2\mathrm{HOClO_2}?

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