Question

Need help with : Balancing oxidation reduction reactions

Mg(s) + HCl(aq) → Mg^2+(aq) + Cl ‾(aq) + H2(g)

Answer 1

Mg + 2HCl ==> MgCl2 + H2 or in ionic form
Mg + 2H^+ + 2Cl^- ==> Mg^+2 + 2Cl^- + H2
or in net ionic form
Mg + 2H+ ==> Mg^+2 + H2