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Chemistry
In which of the following reactions, H2O2 acts as a reducing agent
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Q. In which of the following reactions, $H_2O_2$ acts as a reducing agent
Hydrogen
A
$PbO_2(s) + H_2O_2(aq) \rightarrow PbO(s) + H_2O(l) + O_2(g)$
67%
B
$Na_2SO_3(aq) + H_2O_2(aq) \rightarrow Na_2SO_4 (aq) + H_2O(l)$
33%
C
$2KI(aq) + H_2O_2(aq) \rightarrow 2KOH(aq) + I_2(s)$
0%
D
$KNO_2(aq) + H_2O_2(aq) \rightarrow KNO_3(aq) + H_2O(l)$
0%
Solution:
In the follow ing reaction, $H_2O_2$ acts as a reducing agent
$PbO_2(s) + H_2O_2(aq) \rightarrow PbO(s) + H_2O (l) + O_2(g)$