Which one of the above oxidation curve is wrongly presented in the given Gibbs free energy vs temperature graph ?

Engineering

Chemistry

Hydrometallurgy and Leaching

Question

C → CO₂

Ti → TiO₂

Pb → PbO

Mg → MgO

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Ti (s) + \frac{1}{2} O_{2 (g)} \to_{}^{Δ} {TiO}_{2} (s)

By increasing temperature,

According to ΔG = ΔH – TΔS, ΔG for formation of TiO₂ will move toward +ve value.

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