21.What is the usefulness of initial rate constant?
Initial rates allow more reliable information to be determined regarding orders, activation energies and possible mechanisms (which is the ultimate aim of reaction kinetics).
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22.The reaction: A + 2B → C + D, obeys the rate of reaction: Rate = k[ A]x. [B]y. What should be the order of this reaction ?
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23.What will be the order of reaction if the rate of reaction is independent of all the concentrations of all the rectants?
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24.What will be the order of reaction if the plot of log c verses time is a straight line with a negative slope?
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25.How does the rate of a reaction change with the change of temperature?
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26.Express the rate of reaction: N2(g) + 3H2(g) → 2NH3(g) with respect to formation of ammonia gas?
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27.The differential rate law for the reaction A + 3B + 4C → Products is given by the following equation:
What will be the effect on the rate of reaction if the concentration of C is doubled?
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28.Determine the order of the reaction, which has the rate expression: Rate = k[A]1/2[B]1.
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29.Write the rate expression for the reaction: a A → Product.
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30.How is half-life of a first order reaction related to the concentration of the reactant?
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