how to check if a reaction is feasible or not?

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Solution

Hi,

The main criterion of feasibility is decided by free energy change which should be negative. The relation between the free energy change and the electrode potential is given as âˆ†G=-nFâˆ†E⁰.

The change in electrode potential should be positive so that from the equation, the overall value becomes negative and hence the reaction will be spontaneous.

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Which of the following reactions are not feasible?

Δ_{f} G^{0}

C r_{2} O_{3}

540 {kJ mol}^{- 1}

A l_{2} O_{3}

- 827 {kJ mol}^{- 1}

C r_{2} O_{3}

A l

Which reaction is not feasible?

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