A) forms water only
B) acts as an oxidizing agent
C) acts as a reducing agent
D) reduces sulphuric acid
Correct Answer: C
Solution :
\[\overset{+7}{\mathop{2KMn{{O}_{4}}}}\,+3{{H}_{2}}S{{O}_{4}}+5{{H}_{2}}{{O}_{2}}\xrightarrow{{}}\] \[{{K}_{2}}S{{O}_{4}}+\overset{+2}{\mathop{2MnS{{O}_{4}}}}\,+8{{H}_{2}}O+5{{O}_{2}}\] \[\therefore \]\[{{\text{H}}_{\text{2}}}{{\text{O}}_{\text{2}}}\]is acting as reducing agent it reduces \[\text{KMn}{{\text{O}}_{\text{4}}}\]to\[\text{M}{{\text{n}}^{\text{2+}}}\,\text{ion}\text{.}\]
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