Purification And Characterisation Of Organic Compounds Question 141

Question: Which of the following statement is not correct about Ellingham diagram-

Options:

A) $ \Delta G $ increases with an increase in temperature

B) It consists of plots of $ {\Delta _{f}}G{}^\circ $ Vs T for formation of oxides

C) A coupling reaction can be well expressed by this diagram

D) It express the kinetics of the reduction process

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Answer:

Correct Answer: D

Solution:

[d] Ellingham diagrams are based on thermo- dynamic concepts.

It does not tell anything about the kinetics of the reduction process.