use the redox reactions to answer the question.

Question

Zn + 2H+ --> Zn2+ + H2
2Ai + 3Cu2+ --> 2Ai3+ +3cu
Which elements are oxidized?

Answer 1

In the first reaction:

Zn is oxidized from 0 to +2 (it loses two electrons).

In the second reaction:

Cu is oxidized from +2 to +3 (it loses one electron).