For a reaction A → B, enthalpy of reaction is -4.2 kJ mol^-1 and enthalpy of activation is 9.6 kJ mol^-1. The correct potential energy profile for…

For a reaction $\displaystyle \mathrm{A} \rightarrow \mathrm{B}$, enthalpy of reaction is $\displaystyle -4.2 \mathrm{~kJ} \mathrm{~mol}^{-1}$ and enthalpy of activation is $\displaystyle 9.6 \mathrm{~kJ} \mathrm{~mol}^{-1}$. The correct potential energy profile for the reaction is shown in option.