Question

Which of the following reactions would be classified as oxidation-reduction?
Check all that apply.
2Na(s)+Cl2(g)→2NaCl(s)
Na(s)+CuCl(aq)→NaCl(aq)+Cu(s)
NaCN(aq)+CuCl(aq)→NaCl(aq)+CuCN(s)

Answer 1

2Na(s) + Cl₂(g) → 2NaCl(s)

Na(s) + CuCl(aq) → NaCl(aq) + Cu(s)