JEE Main 202224 Jun, Evening shiftChemistryEasyIsolation of Elements99× since 2002Which of the following chemical reactions represents Hall-Heroult Process?AOption A. Cr₂O₃ + 2Al →\to→ Al₂O₃ + 2CrBOption B. 2Al₂O₃ + 3C →\to→ 4Al + 3CO₂COption C. FeO + CO →\to→ Fe + CO₂DOption D. 2[Au(CN)₂](aq)−_{(aq)}^ -(aq)− + Zn(s) →\to→ 2Au(s) + [Zn(CN₄)]2−-−CheckSkip · show solution
