Al2O3
+ 2Cr (
G°
= ?421 kJ) is thermodynamically feasible as is apparent from the Gibbs energy
value. Why does it not take place at room temperature?
Answer:
Though the reaction is feasible but it does not take place at room temperature since all the reactants and the products at room temperature are solids. However, at high temperature, when chromium melts, the reaction proceeds rapidly.
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