Decide whether each chemical reaction in the table below is an oxidation-reduction ("redox") reaction. If the reaction is a redox reaction, write down the formula of the reducing agent and the formula of the oxidizing agent.
HCl(aq) + NH3(aq) → NH4Cl(aq)
redox reaction?
yes no
reducing agent:
oxidizing agent:
2H2S(g) + O2(g) → 2S(s) + 2H2O(l)
redox reaction?
yes no
reducing agent:
oxidizing agent:
2Cl2(g) + Sn(s) → SnCl4(s)
redox reaction?
yes no
reducing agent:
oxidizing agent: