Question

In which of the following reactions, H₂O₂ acts as a reducing agent
(a) $PbO_2(s) + H_2O_2 (aq) \rightarrow PbO(s) + H_2O(l) + O_2 (g)$
(b) $Na_2SO_3 (aq) + H_2O_2(aq) \rightarrow Na_2SO_4(aq) + H_2O(l)$
(c) $2KI(aq) + H_2O_2 (aq) \rightarrow 2KOH (aq) + I_2(s)$
(d) $KNO_2(aq) + H_2O_2 (aq) \rightarrow KNO_3 (aq) + H_2O(l)$

Answer 1

Hello Friend

The answer of u r question is

Option.B

Thank you..☺️☺️

Answer 2

${\huge {\mathfrak {Answer :-}}}$

➡️ Option (B)

That's it..