Home
Class 12
CHEMISTRY
Oxidation number of chromium in K2Cr2O7 ...

Oxidation number of chromium in `K_2Cr_2O_7` is:

A

`+2`

B

`+3`

C

`+6`

D

`-4`

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

Calculate the oxidation number of chromium in K_2Cr_2O_7 .

What is the oxidation number of chromium in K_2Cr_2O_7 and nitrogen in N_2H_4 ?

What is the oxidation number of Cr in K_2Cr_2O_7 ?

The oxidation number of phosphorus in Mg_2P_2O_7 is:

What is the oxidation number of Cr in k_2Cr_2O_4 ?

What is the oxidation number of Cr in Cr_(2)O_(7)^(2-) ?

MBD PUBLICATION-REDOX REACTIONS-QUESTION BANK
  1. Oxidation state of oxygen atom in potassium superoxide (KO2) is

    Text Solution

    |

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

    Text Solution

    |

  3. Oxidation number of chromium in K2Cr2O7 is:

    Text Solution

    |

  4. The maximum oxidation state of chromium is :

    Text Solution

    |

  5. Iodine has highest oxidation number in the compound :

    Text Solution

    |

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

    Text Solution

    |

  7. The oxidation state of S in Na2S4O6 is:

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  14. Oxidation number of S in H2SO5 is:

    Text Solution

    |

  15. Ocidation number of Fe in Fe3O4 are :

    Text Solution

    |

  16. Pb shows oxidation state of

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  20. In the reaction: 2Ag+2H2SO4 rarrAg2SO4 +2H2O +SO2,H2SO4 acts :

    Text Solution

    |