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Chemical Kineti...

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  • Question 1
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    The rate constant, the activation energy and the Arrhenius parameter of a chemical reaction at 50oC are 7.3 × 104 s-1, 18.23 KJ mol-1 and 6.0 × 104 s-1, respectively. The value of the rate constant as T approaches ∞ is

  • Question 2
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    In a chemical reaction, if a linear (y = mx) graph is obtained between half-life and concentration of reactants, then what is the order of the reaction?

  • Question 3
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    The units of rate of reaction and its rate constant

  • Question 4
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    The half-life of a zero-order reaction A → B is

  • Question 5
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    Match the following:

    Column – I Column – II
    (A) Zero-order reaction (a) High activation energy
    (B) Pseudo unimolecular reaction (b) Decreases activation energy
    (C) Slow reaction (c) Decomposition of ammonia on tungsten
    (D) Positive catalyst (d) Hydrolysis of cane sugar

  • Question 6
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    The temperature coefficient of a reaction is

  • Question 7
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    The activation energy in a chemical reaction is defined as

  • Question 8
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    Molecularity of a reaction

  • Question 9
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    On increasing the pressure three folds, the rate of reaction, 2H2S + O2 → products, would increase by how many times?

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