Transition state theory focuses on which of the following?

Question: Transition state theory focuses on which of the following?

Transition state theory (TST) is a concept in chemistry that explains the reaction rates of elementary chemical reactions. The theory focuses on the assumption of a special type of chemical equilibrium, known as quasi-equilibrium, between reactants and activated transition state complexes. This quasi-equilibrium is not a true equilibrium but is an assumption that simplifies the understanding of how reactants can be converted into products. TST is primarily used to understand qualitatively how chemical reactions occur and to calculate the standard enthalpy of activation, the standard entropy of activation, and the standard Gibbs energy of activation for a reaction, provided its rate constant is experimentally determined. The theory was developed to address the limitations of the Arrhenius equation, which did not consider the mechanistic details of reactions. Despite its limitations, TST remains a fundamental tool in understanding chemical kinetics and the energy barriers that must be overcome for reactions to proceed.

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