Rate constants of a reaction at 500 K and 700 K are 0.04 s^-1 and 0.14 s^-1, respectively; then, activation energy of the reaction is: (Given: log…

Rate constants of a reaction at $\displaystyle 500$ K and $\displaystyle 700$ K are $\displaystyle 0.04 \mathrm{~s}^{-1}$ and $\displaystyle 0.14 \mathrm{~s}^{-1}$, respectively; then, activation energy of the reaction is : (Given: $\displaystyle \log 3.5=0.5441, \mathrm{R}=8.31 \mathrm{~J} \mathrm{~K}^{-1} \mathrm{~mol}^{-1}$ )