JEE Mains 06-Sep-2020 Shift 2 Solved Paper

Section: Chemistry

Question : 43 of 75

Marks: +1, -0

For a reaction,
4M(s)+nO2(g)→2M2On(s)
the free energy change is plotted as a function of temperature. The temperature below which the oxide is stable could be inferred from the plot as the point at which :

[6 Sep 2020 Shift 2]

the slope changes from positive to zero
the free energy change shows a change from negative to positive value
the slope changes from negative to positive
the slope changes from positive to negative

Validate

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