Home
Class 12
CHEMISTRY
When KMnO4 is reduced with oxalic acid i...

When `KMnO_4` is reduced with oxalic acid in acid medium, the oxidation number of Mn changes from :

A

`+7` to`+4`

B

`+6` to`+4`

C

`+7 `to `+2`

D

`+4` to`+2`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • POLYMERS

    MBD PUBLICATION|Exercise QUESTION BANK|332 Videos

  • S- BLOCK ELEMENTS [ALKALI AND ALKALINE EARTH METALS]

    MBD PUBLICATION|Exercise QUESTION TYPE|512 Videos

Similar Questions

Explore conceptually related problems

What is the oxidation number of Mn in KMnO_4 ?

What is the oxidation number of Mn in K_2MnO_4 ?

What is the oxidation number of Mn in MnO_(4)^(-) ?

What is the oxidation number of Mn in K_(2)MnO_(4) ?

MBD PUBLICATION-REDOX REACTIONS-QUESTION BANK
  1. When SnCl4 is treated with excess HCI, the complex [SnCl6]^(2-)is form...

    Text Solution

    |

  2. Oxidation state of oxygen atom in potassium superoxide (KO2) is

    Text Solution

    |

  3. When KMnO4 is reduced with oxalic acid in acid medium, the oxidation n...

    Text Solution

    |

  4. Oxidation number of chromium in K2Cr2O7 is:

    Text Solution

    |

  5. The maximum oxidation state of chromium is :

    Text Solution

    |

  6. Iodine has highest oxidation number in the compound :

    Text Solution

    |

  7. Oxidation number of P in P2O7^(4-) :

    Text Solution

    |

  8. The oxidation state of S in Na2S4O6 is:

    Text Solution

    |

  9. In which of the following oxidation number of chlorine is +5 is :

    Text Solution

    |

  10. Number of electrons involved in the reduction of Cr2O7^(2-) ion in aci...

    Text Solution

    |

  11. A compound of Xe and F is found to have 53.3%Xe in this compound is :

    Text Solution

    |

  12. An element which never has a positive oxidation number in any of its c...

    Text Solution

    |

  13. The oxidation number of phosphorus in Ba(H2PO2)2 is :

    Text Solution

    |

  14. The number of electrons lost or gained during the change, Fe + H2O rar...

    Text Solution

    |

  15. Oxidation number of S in H2SO5 is:

    Text Solution

    |

  16. Ocidation number of Fe in Fe3O4 are :

    Text Solution

    |

  17. Pb shows oxidation state of

    Text Solution

    |

  18. Carbon reacts with oxygen to from two oxides, CO and CO2.This is becau...

    Text Solution

    |

  19. The oxidation number and covalency of sup,phur in the sulphur molecule...

    Text Solution

    |

  20. The most common oxidation state of an element is -2. The number of ele...

    Text Solution

    |