Rate of a reaction can be expressed by Arrhenius equation as: $k=A e^{-E_{a} / R T}$ In this equation,…

Rate of a reaction can be expressed by Arrhenius equation as: $k=A e^{-E_{a} / R T}$
In this equation, $E_{a}$ represents
  1. the total energy of the reacting molecules at a temperature, $\mathrm{T}$
  2. the fraction of molecules with energy greater than the activation energy of the reaction
  3. the energy below which all the colliding molecules will react
  4. the energy below which colliding molecules will not react

Solution

In Arrhenius equation $k=A e^{-E_{a} / R T}, E_{a}$ is the energy of activation, which is required by the colliding molecules to react resulting in the formation of products.

Asked in: JEE-TOPICTESTS-CHEMISTRY

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