The rate constant ( k ) of a reaction is measured at different temperature ( T ) , and the data are plotted…

The rate constant $\left(k\right)$ of a reaction is measured at different temperature $\left(T\right)$, and the data are plotted in the given figure. the activation energy of the reaction in ${\mathrm{kJmol}}^{-1}$ is : $(\mathrm{R}$ is gas constant)