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Arrhenius equation is...

Arrhenius equation is

A

`k=Ae^(-1//RT)`

B

`k=Ae^(-RT//Ea)`

C

`k=Ae^(-Ea//RT)`

D

`k=Ae^(Ea//RT)`

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Knowledge Check

  • Rate of a reaction can be expressed by Arrhenius equation as K= Ae^(Ea//RT) In this equation, E_a represents

    A
    the energy below which colliding molecules will not react
    B
    the total energy of the reacting molecules at a temperature, T
    C
    the fraction of molecules with energy greater than the activation energy of the reaction
    D
    the energy above which all the colliding molecules will react

  • Rate of reaction can be expressed by Arrhenius equation as k= Ae^(-E//RT) . In this reaction E represents

    A
    The energy below which colliding molecules will not react
    B
    The total enegy of the reacting molecules at a temperature T .
    C
    The fraction of molecules with energy greater than activation energy of the reaction
    D
    The energy above which the colloiding molecules will react.

  • If k_(1) and k_(2) are rate constants at temperatures T_(1) and T_(2) respectively then according to Arrhenius equation :

    A
    `"log "(k_(2))/(k_(1))=(2.303R)/(E_(a))[(1)/(T_(1))-(1)/(T_(2))]`
    B
    `log "(k_(2))/(k_(1))=(E_(a))/(2.303R)[(1)/T_(2)-(1)/(T_(1))]`
    C
    `log "(k_(1))/(k_(2))=(E_(a))/(2.303R)[(1)/T_(1)-(1)/(T_(2))]`
    D
    `log "(k_(2))/(k_(1))=(E_(a))/(2.303R)[(1)/T_(1)-(1)/(T_(2))]`

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