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The unit of frequency factor in Arrhenius equation is ____(a) \(\frac{mol}{m^3} \)(b) Same as that of rate constant(c) \(\frac{mol}{m^3×s} \)(d) molI got this question in exam.This question is from Reaction Rates topic in division Basic Concepts of Chemical Reaction Engineering

Answer»

Correct option is (B) Same as that of rate constant

Best EXPLANATION: The unit of frequency factor in Arrhenius equation is same as that of rate constant.

Arrhenius equation is, k = A e^-Ea/RT,

k: Rate constant

A: Frequency factor

The exponent TERM in Arrhenius equation gives an integer. Hence, unit of A DEPENDS on that of k.



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