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The unit of rate and rate constant are s...

The unit of rate and rate constant are same for a

A

First order

B

Zero order

C

Second order

D

Third order

Text Solution

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The correct Answer is:
B
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The order of reaction is an experimentally determined quanity. It may be zero, poistive, negative, or fractional. The kinetic equation of nth order reaction is k xx t = (1)/((n-1))[(1)/((a-x)^(n-1)) - (1)/(a^(n-1))] …(i) Half life of nth order reaction depends on the initial concentration according to the following relation: t_(1//2) prop (1)/(a^(n-1)) ...(ii) The unit of the rate constant varies with the order but general relation for the unit of nth order reaction is Units of k = [(1)/(Conc)]^(n-1) xx "Time"^(-1) ...(iii) The differential rate law for nth order reaction may be given as: (dX)/(dt) = k[A]^(n) ...(iv) where A denotes the reactant. The unit of rate and rate constant are same for

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Knowledge Check

  • The unit of rate of reaction and rate of rate constant are same for a :

    A
    zero order reaction
    B
    first order reaction
    C
    second order reaction
    D
    third order reaction

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