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Select the correct statements for Elling...

Select the correct statements for Ellingham diagram.

A

The slope of the curves of the formation of metal oxide is `+ve` because `Delta_(f) G^(Ө)` becomes less negative or increases with the rise in temperature.

B

Each curve is a straight line except when some change takes place in phase `(s rarr 1 or 1 rarr g)`

C

Each curve is not a straight line except when some changes takes place in phase `(s rarr 1 or 1 rarr g)`.

D

The slope of the curves of the formation of metal oxide is `-ve` becomes less negative or increases with the rise in temperature.

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The correct Answer is:
B, D
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