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Questions given below are based on the given diagram for extractive metallurgy. (iv) At `1100^@C`, which reaction is spontaneous to a maximum extent ?A. `MgO + C rarr Mg + CO`B. `ZnO + C rarr Zn + CO`C. `MgO + Zn rarr Mg + ZnO`D. `ZnO + Mg rarr MgO + Zn`

Answer» Correct Answer - D
At `1100^@C, Delta_(r)G^(Ө)` for the reaction
`ZnO + Mg rarr MgO + Zn`
has highest negative value, hence this reaction will be spontaneous to a maximum.


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