Medium
The $\Delta H$ value of the reaction $H_2 + Cl_2 \rightleftharpoons 2HCl$ is $-44.12 \ kcal$. If $E_1$ is the activation energy of the backward reaction and $E_2$ is the activation energy of the forward reaction,then for the above reaction:
- A$E_1 > E_2$
- B$E_1 < E_2$
- C$E_1 = E_2$
- D$\Delta H$ is not related to $E_1$ and $E_2$
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