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Define reaction rate....

Define reaction rate.

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Knowledge Check

  • For a gaseous reaction, the rate expression is k[A][B]. If the volume of the reaction vessel is reduced to 1//4^(th) of the initial volume, the reaction rate, relating to original rate will be . .. . .. times

    A
    10
    B
    8
    C
    `1//10`
    D
    16

  • Increase of temperature will increase the reaction rate due to

    A
    increase of number of effective collisions
    B
    increase of mean free path
    C
    increase of number of molecules
    D
    increase of number of collisions

  • Which of the following explains the increase of reaction rate by a catalyst ?

    A
    Catalyst provides the necessary energy to the collision molecules to cross the barrier
    B
    Catalyst decreases the rate of backward reaction so that the rate of forward reaction increases
    C
    Catalyst decreases the enthalpy change of the reaction
    D
    Catalyst provides an alternative path of lower activation energy

    • Similar Questions

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    How is the reaction rate influenced by energy of activation ?

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    Increase of temperature will increase the reaction rate due to

    Which of the following expkains the increase of reaction rate by a catalyst?

    (A) In a multiple reaction, the rate determining step is the fast step. (R ) In multistep reaction order for each step can be defined.

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