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Rate expression in terms of each species from the balanced equation, or the equation from the rate expression

This type of question, asked 11 times: May 2022 S1, 11 May 2023 S2, 11 May 2024 S2, 19 Apr 2025 S2, 20 Apr 2025 S1, 21 Apr 2025 S2, 22 Apr 2025 S1, 22 Apr 2025 S2, 25 Apr 2025 S2, 15 Apr 2026 S2, 19 May 2026 S2. All 11 questions below, oldest first.

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  1. Question 1

    May 2022 S1

    83
    If rate of reaction is given as 13d[x]dt=−12d[y]dt=−d[Z]dt\frac{1}{3}\frac{d[x]}{dt} = -\frac{1}{2}\frac{d[y]}{dt} = -\frac{d[Z]}{dt}, the reaction can be represented as

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  2. Question 2

    11 May 2023 S2

    51
    If instantaneous rate of reaction is given as −1ad[A]dt=−1bd[B]dt=1cd[C]dt=1dd[D]dt-\frac{1}{a}\frac{d[A]}{dt} = -\frac{1}{b}\frac{d[B]}{dt} = \frac{1}{c}\frac{d[C]}{dt} = \frac{1}{d}\frac{d[D]}{dt}, the reaction is represented as,

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  3. Question 3

    11 May 2024 S2

    59
    Identify the expression for average rate for following reaction. N2(g)+3H2(g)→2NH3(g)\text{N}_2(g) + 3\text{H}_2(g) \to 2\text{NH}_3(g)

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  4. Question 4

    19 Apr 2025 S2

    58
    Which from following is a correct representation of reaction rate for reaction stated below?
    N2( g)+3H2( g)⇌2NH3( g)N_{2(\text{ }g)}+ 3H_{2(\text{ }g)}\rightleftharpoons 2NH_{3(\text{ }g)}

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  5. Question 5

    20 Apr 2025 S1

    94
    Which of the following equations is correct regarding rate of disappearance of reactant and appearance of product for N2( g)+3H2( g)⟶2NH3( g)N_{2(\text{ }g)}+ 3H_{2(\text{ }g)}\longrightarrow 2NH_{3(\text{ }g)}

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  6. Question 6

    21 Apr 2025 S2

    65
    Nitric oxide reacts with H2H_{2} according to reaction, 2NO(g)+2H2( g)⟶N2( g)+2H2O(g)2NO_{(g)}+ 2H_{2(\text{ }g)}\longrightarrow N_{2(\text{ }g)}+ 2H_{2}O_{(g)}, identify the correct relationship among the following.

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  7. Question 7

    22 Apr 2025 S1

    59
    Nitric oxide reacts with H2H_{2} according to reaction. 2NO(g)+2H2( g)→N2( g)+2H2O(g)2NO_{(g)}+ 2H_{2(\text{ }g)}\rightarrow N_{2(\text{ }g)}+ 2H_{2}O_{(g)}, identify correct relation for disappearance of reactant and appearance of product.

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  8. Question 8

    22 Apr 2025 S2

    80
    Nitric oxide reacts with H2H_{2} according to reaction. 2NO(g)+2H2(g)→N2(g)+2H2O(g)2NO_{(g)}+ 2H_{2(g)}\rightarrow N_{2(g)}+ 2H_{2}O_{(g)}. Identify the correct relationship for consumption of reactant and formation of product.

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  9. Question 9

    25 Apr 2025 S2

    56
    If Instantaneous rate of reaction is stated as −12 d[x]dt=−d[y]dt=12 d[z]dt-\frac{1}{2}\frac{\text{ }d\lbrack x\rbrack}{dt}= -\frac{d\lbrack y\rbrack}{dt}=\frac{1}{2}\frac{\text{ }d\lbrack z\rbrack}{dt}, identify the reaction.

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  10. Question 10

    15 Apr 2026 S2

    28
    For the reaction 2A⟶3C+D\mathrm{2A \longrightarrow 3C + D}, the rate of reaction is represented by

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  11. Question 11

    19 May 2026 S2

    30
    For the reaction N2(g)+3H2(g)→2NH3(g)\mathrm{N_2}(g) + 3\mathrm{H_2}(g) \to 2\mathrm{NH_3}(g), the rate of reaction is equal to

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