The reaction, \( \mathrm{MgO}(\mathrm{s})+\mathrm{C}(\mathrm{s}) \rightarrow \mathrm{Mg}(\mathrm....

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The reaction, \( \mathrm{MgO}(\mathrm{s})+\mathrm{C}(\mathrm{s}) \rightarrow \mathrm{Mg}(\mathrm{s})+\mathrm{CO}(\mathrm{g}) \), for which \( \Delta_{\mathrm{r}} \mathrm{H}^{\mathrm{o}}=+491.1 \mathrm{~kJ} \mathrm{~mol}^{-1} \) and \( \Delta_{\mathrm{r}} \mathrm{S}^{\mathrm{O}}=198.0 \)
P
\( \mathrm{JK}^{-1} \mathrm{~mol}^{-1} \), is not feasible at \( 298 \mathrm{~K} \). Temperature above which reaction will be feasible is
(1) \( 2040.5 \mathrm{~K} \)
(2) \( 1890.0 \mathrm{~K} \)
(3) \( 2380.5 \mathrm{~K} \)
(4) \( 2480.3 \mathrm{~K} \)


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