Question

Name the substances oxidised, reduced,
oxidising agent and reducing agent in the
following chemical reactions:
(a) H2S + 12 -> 2HI + S
(b) CuO + H2 - Cu + H2O​

Answer 1

(i) H2S is reducing agent and I2 is oxidising agent.

(ii) CuO is oxidising agent and H2 is reducing agent.