9.
Write the half reactions to represent the redox reaction between H2O2 and a) 12 in basic
medium b) MnO4- in acidic medium
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Answer:
The half reactions are
2MnO4−+16H++10e−→2Mn+2+8H2
5H2O2→5O2+10H++10e+
The number of electron transferred per mole of hydrogen peroxide = 10/5 = 2 Hence, option B is the correct answer.
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