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The increase in rate constant of a chemi...

The increase in rate constant of a chemical reaction with increasing temperature is(are) due to the fact(s) that

A

the number of collisions among the reactant molecules increases with increasing temperature.

B

the activation energy of the reaction decreases with increasing temperature.

C

the concentration of the reactant molecules increases with increasing temperature.

D

the number of reactant molecules acquiring the activation energy increases with increasing temperature.

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Knowledge Check

  • Enzymes increase the rate of biochemical reaction through

    A
    Changing equilibrium
    B
    Lowering activation energy
    C
    Forming reactant - product complex
    D
    Forming enzyme - product complex

  • If temperature is increased , then -

    A
    the value of the rate constant for an endothermic reaction increases
    B
    the value of the constant for an endothermic reaction decreases
    C
    the values of the constant for both exothermic and endothermic reaction increases
    D
    the activation energy of a reaction decreases

  • With the increase in temperature, the respiratory rate will

    A
    increase
    B
    remain unaffected
    C
    decrease rapidly
    D
    decrease slowly

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