The Elingham diagram for \( \mathrm{Zn}, \mathrm{Mg} \) and \( \mathrm{C} \) converting into cor...

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The Elingham diagram for \( \mathrm{Zn}, \mathrm{Mg} \) and \( \mathrm{C} \) converting into corresponding oxides is shown below:
at \( 1100^{\circ} \mathrm{C} \), which reaction is spontaneous to a maximum extent ?
(a) \( \mathrm{MgO}+\mathrm{C} \longrightarrow \mathrm{Mg}+\mathrm{CO} \)
(b) \( \mathrm{ZnO}+\mathrm{C} \longrightarrow \mathrm{Zn}+\mathrm{CO} \)
(c) \( \mathrm{MgO}+\mathrm{Zn} \longrightarrow \mathrm{Mg}+\mathrm{ZnO} \)
(d) \( \mathrm{ZnO}+\mathrm{Mg} \longrightarrow \mathrm{MgO}+\mathrm{Zn} \)
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