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Which of the following statements is not correct about the Ellingham diagram?
- A$\Delta G$ increases with an increase in temperature.
- BIt consists of plots of $\Delta_fG^o$ vs $T$ for the formation of oxides.
- C$A$ coupling reaction can be well expressed by this diagram.
- DIt expresses the kinetics of the reduction process.
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Assertion $A$: In the Ellingham diagram,a sharp change in slope of the line is observed for $Mg \rightarrow MgO$ at $\sim 1120^{\circ} C$.
Reason $R$: There is a large change of entropy associated with the change of state.
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Assertion $A$: In the Ellingham diagram,a sharp change in slope of the line is observed for $Mg \rightarrow MgO$ at $\sim 1120^{\circ} C$.
Reason $R$: There is a large change of entropy associated with the change of state.
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