A) \[2MnO_{3}^{2-}+6{{H}^{+}}+5{{H}_{2}}O\xrightarrow[{}]{{}}\]\[2M{{n}^{2+}}+8{{H}_{2}}O+5{{O}_{2}}\]
B) \[{{l}_{2}}+{{H}_{2}}{{O}_{2}}+2O{{H}^{+}}\xrightarrow{{}}2{{l}^{-}}+2{{H}_{2}}O+{{O}_{2}}\]
C) \[2MnO_{4}^{-}+3{{H}_{2}}{{O}_{2}}\xrightarrow{{}}2Mn{{O}_{2}}+3{{O}_{2}}+2{{H}_{2}}O\]
D) All of these
Correct Answer: B
Solution :
[d] In all reactions, hydrogen peroxide acts as reducing agent in basic or acidic medium.
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