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Order of the decomposition of hydrogen peroxide

The same question, asked 3 times: 4 May 2023 S2, 9 May 2023 S2, 11 Apr 2026 S2. Every wording below, oldest first.

Try each one first, then open its answer.

  1. Question 1

    4 May 2023 S2

    95
    What is the order of following reaction? 2H2O2(g)→2H2O(l)+O2(g)2H_2O_2(g)\rightarrow 2H_2O(l) + O_2(g)

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  2. Question 2

    9 May 2023 S2

    74
    Identify order of following reaction. H2O2(g)→2H2O(l)+O2(g)\text{H}_2\text{O}_2(g) \rightarrow 2\text{H}_2\text{O}(l) + \text{O}_2(g)

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  3. Question 3

    11 Apr 2026 S2

    29
    What is the order of the following reaction ? 2H2O2(l)→2H2O(l)+O2(g)\mathrm{2H_2O_2}(l) \rightarrow \mathrm{2H_2O}(l) + \mathrm{O_2}(g), if rate = k[H2O2]k[\mathrm{H_2O_2}]

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