Question

a substance that will reduce aqueous ferric ions to ferrous ions​

Answer 1

hey mate

A substance that will reduce aqueous ferric ions to ferrous ions is HYDROGEN SULPHIDE

Hope it helps

mark as brainliest pls

Answer 2

Ferric ions in solution can be reduced to ferrous ions by using hydrogen sulphide.

H2S + Fe3+(aq) →Fe2+(aq) + 2H+(aq) + S(s)