Consider an exothermic reaction $\mathrm{A} \underset{\mathrm{k}_{-1}}{\stackrel{\mathrm{k}_{1}}{\rightleftharpoons}} \mathrm{I}$ as the temperature increases
(a)$\mathrm{k}_{1}, \mathrm{k}_{-1}$, and $\mathrm{k}_{1} / \mathrm{k}_{-1}$ increases
(b)$\mathrm{k}_{1}$ increases, $\mathrm{k}_{-1}$ decreases, and $\mathrm{k}_{1} / \mathrm{k}_{-1}$ increases.
(c)$\mathrm{k}_{1}, \mathrm{k}_{-1}$ increases and $\mathrm{k}_{1} / \mathrm{k}_{-1}$ decreases
(d)$\mathrm{k}_{1}$ and $\mathrm{k}_{-1}$ decrease, and $\mathrm{k}_{1} / \mathrm{k}_{-1}$ increases.
Answer
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