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HardChemistry
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Consider the following reactions at 1000°C - I. Zn(s) + 1/2 O₂(g) → ZnO(s); ΔG° = −360 kJ mol⁻¹ II. C(graphite) + 1/2 O₂(g) → CO(g); ΔG° = −460 kJ mol⁻¹ Choose the correct statement at 1000°C :
A
zinc can be oxidised by carbon monoxide
B
ZnO can be reduced by graphite
C
both (I) and (II) are true
D
both (I) and (II) are false
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Standard enthalpies of formation of O₃, CO₂, NH₃ and HI are 142.2, −393.2, −46.2

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