CrO42- + H2 + 2 (Ag)2+ → Ag2CrO4 + 2 (H)+
This is an oxidation-reduction (redox) reaction:
2 AgII + 2 e- → 2 AgI (reduction)
2 H0 - 2 e- → 2 HI (oxidation)
Ag2+ is an oxidizing agent, H2 is a reducing agent.
This is an oxidation-reduction (redox) reaction:
2 AgII + 2 e- → 2 AgI (reduction)
2 H0 - 2 e- → 2 HI (oxidation)
Ag2+ is an oxidizing agent, H2 is a reducing agent.