Question

# For the reduction of lead oxide by coke S are found tobe 108.8 kJ mol^{-1} and 190 JK^{-1} mol^{-1} respectively. The minimum temperature above which the reaction will be spontaneous will be

- 100°C
- 200°C
- 300°C
- 400°C

## The correct answer is: 300°C

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