Home
Class 11
CHEMISTRY
In acidic medium, H(2)O(2) changes Cr(2)...

In acidic medium, `H_(2)O_(2)` changes `Cr_(2)O_(7)^(2-)` to `CrO_(5)` which has two `(-O-O-)` bonds. Oxidation state of `Cr` in `CrO_(5)` is

A

`+5`

B

`+3`

C

`+6`

D

`-10`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • REDOX REACTIONS

    MODERN PUBLICATION|Exercise COMPETITION FILE (Objective Questions) (C. MULTIPLE CHOICE QUESTIONS)|9 Videos
  • REDOX REACTIONS

    MODERN PUBLICATION|Exercise COMPETITION FILE (Objective Questions) (A. MULTIPLE CHOICE QUESTIONS)|39 Videos
  • ORGANIC CHEMISTRY: BASIC PRINCIPLES AND TECHNIQUES

    MODERN PUBLICATION|Exercise (Competition File) MULTIPLE CHOICE QUESTIONS ( based on the given. passage/comprehension )|8 Videos
  • S-BLOCK ELEMENTS ( ALKALI AND ALKALINE EARTH METALS )

    MODERN PUBLICATION|Exercise UNIT PRACTICE TEST|13 Videos

Similar Questions

Explore conceptually related problems

In acidec medium, H_(2)O_(2) changes Cr_(2)O_(7)^(2-) to CrO_(5) which has two (-O-O-) bonds. Oxidation state of Cr in CrO_(5) is

The oxidation state of Cr in CrO_(5) is:

The oxidation state of Cr in CrO_(5) is

MODERN PUBLICATION-REDOX REACTIONS -COMPETITION FILE (Objective Questions) (B. MULTIPLE CHOICE QUESTIONS)
  1. In which of the following compounds,nitrogen exhibits highest oxidatio...

    Text Solution

    |

  2. A mixture of potassium chlorate, oxalic acid and sulphuric acid is hea...

    Text Solution

    |

  3. In acidic medium, H(2)O(2) changes Cr(2)O(7)^(2-) to CrO(5) which has ...

    Text Solution

    |

  4. Choose the disproportionation reaction among the following redox react...

    Text Solution

    |

  5. Which of the following processes does not involve oxidation of iron ?

    Text Solution

    |

  6. Assuming complete ionization, same moles of which of the following com...

    Text Solution

    |

  7. For the redox reaction MnO(4)^(ө)+C(2)O(4)^(2-)+H^(o+)rarrMn^(2+)+CO...

    Text Solution

    |

  8. The correct structure of tribromooctaoxide.

    Text Solution

    |

  9. Which of the following reactions are disproportionation reactions? ...

    Text Solution

    |

  10. Consider the following E^o values : E^o Fe^(3+)//FE^(2+)o = + 0.77 ...

    Text Solution

    |

  11. In a cell that utilizes the reactions. Zn(s) + 2H^(+) (aq) rightarro...

    Text Solution

    |

  12. aK(2)Cr(2)O(7)+bKCl+cH(2)SO(4)rarrxCrO(2)Cl(2)+yKHSO(4)+zH(2)O The a...

    Text Solution

    |

  13. What products are expected from the desproprtionation reactin of hypoc...

    Text Solution

    |

  14. What is the oxidation number of carbonyl carbon in methanal ?

    Text Solution

    |

  15. The reaction 3ClO^(-)(aq)rarrClO(3)^(-)(aq)+2Cl^(-)(aq) is an example ...

    Text Solution

    |

  16. How many electrons are involved during the oxidation reaction of KMnO4...

    Text Solution

    |

  17. For redox reaction {:(xMnO(4)^(-)+yH(2)C(2)O(4)+ZH^(+)),(" ...

    Text Solution

    |

  18. Iodine reacts with concentrateed HNO3 to yield Y along with other prod...

    Text Solution

    |

  19. The correct order of the oxidation states of nitrogen in NO, N(2)O, N...

    Text Solution

    |

  20. In order to oxidise a mixture of one mole of each of FeC2O4,Fe2(C2O4)3...

    Text Solution

    |