Consider an endothermic reaction \( \mathrm{X} \rightarrow \mathrm{Y} \) with the activation ene...

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Consider an endothermic reaction \( \mathrm{X} \rightarrow \mathrm{Y} \) with the activation energies \( \mathrm{E}_{\mathrm{b}} \) and \( \mathrm{E}_{\mathrm{f}} \) for the backward and forward reactions, respectively. In general
(a) there is no definite relation between \( \mathrm{E}_{\mathrm{b}} \) and \( \mathrm{E}_{\mathrm{f}} \)
(b) \( \mathrm{E}_{\mathrm{b}}=\mathrm{E}_{\mathrm{f}} \)
(c) \( \mathrm{E}_{\mathrm{b}}\mathrm{E}_{\mathrm{f}} \)
(d) \( \mathrm{E}_{\mathrm{b}}\mathrm{E}_{\mathrm{f}} \)
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