Adynamic state where two opposing forces are in balance, where two opposite events are occurring at equal rates is conservation equilibrium reaction rate enthalpy

Option (b) is the correct answer.

Explanation:

An equilibrium reaction is a reaction in which rate of forward reaction equals to the rate of backward reaction.

Hence, equilibrium reactions are reversible in nature.

For example, is an equilibrium reaction.

Thus, we can conclude that a dynamic state where two opposing forces are in balance, where two opposite events are occurring at equal rates is equilibrium.