Question

Which of the following reduction reaction CANNOT be carried out with coke?

• A. $F{e}_2{O}_3\to Fe$
• B. $ZnO\to Zn$
• C. $A{l}_2{O}_3\to Al$
• D. $C{u}_{2}O\to Cu$

Answer 1

The correct option is C $A{l}_2{O}_3\to Al$

Al is extracted by electrolytic reduction of $A{l}_2{O}_3$.