Answer to Question #335632 in General Chemistry for Ash

Question

1. Balance the following redox reactions:

a. CH4 + NO2 —> N2 + CO2 + H2O (oxidation number method)

2. When silver metal, Ag, is exposed to hydrogen sulfide gas, H2S, it tarnishes. Is the reaction of Ag with H2S a redox

reaction? How did you arrive at your answer? If your answer is yes, identify the RA and OA.

Answer 1

2Ag(RA) + H₂S (OA)→ Ag₂S + H₂