Question

(a) What happens when acidified KMnO4

react with :

(i) H2S

(ii) KI
(iii) Feso4​

Answer 1

When KMnO4 react with

i) H2S

KMnO4 + H2S = Mno2 + S + KOH + H2O

ii) KMnO4 + Kl = Mno2 + l2 + KO

iii) KMnO4 + Feso4 = KMnSo4 + FeO4