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Gibbs energy vs T plot for the formation of oxides is given below. – 100 –200 –300 –400 –500 –600 –800 200° 400° 600° 800°1000°1200°1400° 0°C T  G° of O 2 (kJ/mol) C + O 2  CO 2 For the given diagram, the correct statement is -

1. At 600 ºC, CO cannot reduce FeO
2. At 600 ºC, CO can reduce ZnO
3. At 600 ºC, C can reduce ZnO
4. At 600 ºC, C can reduce FeO

Correct answer: At 600 ºC, C can reduce FeO

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