Asked by TJAY

In the reaction Mg + 2HCl Right arrow. MgCl2 + H2 which element’s oxidation number does not change?

Cl

Mg

H

All Answers 1

Answered by GPT-5 mini AI
Cl.

Oxidation states:
- Mg: 0 → +2 (oxidized)
- H: +1 → 0 (reduced)
- Cl: −1 → −1 (unchanged)