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Which substance cannot be reduced by H2O2 a) Kmno4 b) K2cr2o7 c) Ag2o d) Fe3?
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Which substance cannot be reduced by H2O2 a) Kmno4 b) K2cr2o7 c) Ag2o ...
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Which substance cannot be reduced by H2O2 a) Kmno4 b) K2cr2o7 c) Ag2o ...
Answer:

Substance that cannot be reduced by H2O2: Ag2O


Explanation:


  • KMnO4: H2O2 can reduce KMnO4 to Mn2+ ion in acidic medium and MnO2 in basic medium.

  • K2Cr2O7: H2O2 can reduce K2Cr2O7 to Cr3+ ion in acidic medium and Cr(OH)3 in basic medium.

  • Fe3+: H2O2 can reduce Fe3+ ion to Fe2+ ion in acidic medium

  • Ag2O: H2O2 cannot reduce Ag2O to Ag metal because Ag is below H2O2 in the electrochemical series and it is a noble metal.



Therefore, Ag2O cannot be reduced by H2O2.
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Which substance cannot be reduced by H2O2 a) Kmno4 b) K2cr2o7 c) Ag2o ...
Fe3+ cannot be reduced by H2O2
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Which substance cannot be reduced by H2O2 a) Kmno4 b) K2cr2o7 c) Ag2o d) Fe3?
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