Question

Zn + 2H+ → Zn2+ + H2

2Al + 3Cu2+ → 2Al3+ + 3Cu

Which elements are oxidized?

hydrogen (H) and aluminum (Al)

hydrogen (H) and copper (Cu)

zinc (Zn) and aluminum (Al)

zinc (Zn) and copper (Cu)

Answer 1

⇒

Zn is being oxidized, and HCl is the “agent” that is causing the Zn to be oxidized. #4 indicates that the student is thinking that the Zn+2in ZnCl2 is undergoing reduction and is therefore the oxidizing agent.

Answer 2

Zinc(zn) And aluminum (Al) is the answer