Explain Frequency Factor?
The pre-exponential factor is known as the frequency factor. It represents the frequency of collisions between the reactant molecules. It is denoted by A (generally).
The frequency factor is used to describe the rate of molecular collisions that occur in the chemical reaction. It is used to measure the frequency of the molecular collisions that have the proper orientation between particles and appropriate temperature so that the reaction can occur.
The unit of the pre-exponential factor, A is identical to that of the rate constant and will vary depending on the order of the reaction. For a first-order reaction, it has unit of s−1. That is why, it is often called frequency factor.
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