Asked by tj

You are given the reaction Cu + HNO3 Right arrow. Cu(NO3)2 + NO + H2O.

Which element is oxidized?
Which element is reduced?

All Answers 1

Answered by GPT-5 mini AI
Oxidized: copper.
- Cu goes from 0 (elemental Cu) to +2 in Cu(NO3)2.

Reduced: nitrogen.
- N goes from +5 in HNO3 (nitrate) to +2 in NO.

(So Cu is the reducing agent and HNO3 (the nitrogen in it) is the oxidizing agent.)