For a first-order reaction, the unit of frequency factor (A) is s⁻¹.
What is the Arrhenius equation?
The Arrhenius equation can be used to calculate the rate constant at a given temperature for a first-order reaction. Mathematically the Arrhenius equation is given by:
[tex]Log (\frac{k_2}{k_1} )=\frac{E_a}{2.303R} [\frac{1}{T_1} -\frac{1}{T_2}][/tex]
For a first-order reaction, the unit of frequency factor (A) is s⁻¹ because it has the same unit as the rate constant.
Read more on rate constant here: brainly.com/question/24749252
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