Question

Ag+H2S ---------->Ag2S+ H2 name the oxidized substance , reduced substance.also write the oxidising agent and reducing agent​

Answer 1

Ag is the oxidised substance as it is going from 0 oxidation state to +1 oxidation state.

H2 is the reduced substance as it is going from +1 oxidation state to 0 oxidation state.

Oxidising agent : The substance which is reduced.

Hence H2S is the oxidising agent here.

Therefore, Ag is the reducing agent.