Home
Class 12
CHEMISTRY
In the complex ion, [Cr(C(2)O(4))(2)(H(2...

In the complex ion, `[Cr(C_(2)O_(4))_(2)(H_(2)O)_(2)]^(-)` the oxidation number of Cr is

A

`+1`

B

`+2`

C

`+3`

D

`-2`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • CHEMISTRY IN EVERYDAY LIFE

    NIKITA PUBLICATION|Exercise MCQs|224 Videos
  • COMPOUNDS CONTAINING NITROGEN

    NIKITA PUBLICATION|Exercise MCQ|418 Videos

Similar Questions

Explore conceptually related problems

The oxidation number and co-ordination number of chromium in complex ion [Cr(C_(2)O_(4))_(2)(H_(2)O)_(2)]^(-) are

The coordination number and magnetic moment of the complex [Cr(C_(2)O_(4))_(2)(NH_(3))_(2)]^(-) Jet respectively is

In FeCr_(2)O_(4) , the oxidation numbers of Fe and Cr are :

What is the charge on the complex [Cr(C_(2)O_(4))_(2)(H_(2)O)_(2)] formed by Cr(III) ?

Coordination number of Cr is six. A comlex ion of Cr with C_(2)O_(4)^(2-) end and superoxide ion, O_(2)^(2-) has the fomula , [Cr(CO_(2)O_(4))_(x)(en)_(y)(O_(2))_(z)]^(-) The ratio x:y:z will be

The complex [Cr(H_(2)O)_(5)Cl]Br and [Cr(H_(2)O)_(5)Br]Cl show

NIKITA PUBLICATION-CO-ORDINATION COMPOUNDS -MCQs
  1. In the complex ion, [Fe(CN)(6)]^(4-), the oxidation number of Fe is

    Text Solution

    |

  2. In the complex ion, [Co(en)(2)Br(2)]^(+), the oxidation number of Co i...

    Text Solution

    |

  3. In the complex ion, [Cr(C(2)O(4))(2)(H(2)O)(2)]^(-) the oxidation numb...

    Text Solution

    |

  4. The number of primary and secondary valencies (or linkages) in the com...

    Text Solution

    |

  5. In which of the following complexes oxidation state of metal is zero

    Text Solution

    |

  6. Pick out the complex compound in which the central metal atom obeys EA...

    Text Solution

    |

  7. Which of the following is wrong statement

    Text Solution

    |

  8. Ti^(3+) is purple, while Ti^(4+) is colourless, because

    Text Solution

    |

  9. The oxidation state of platinum in [PtCl(NH(3))(5)]Cl(3) is

    Text Solution

    |

  10. An ambidentate ligand in one which

    Text Solution

    |

  11. Which of the following is not an ambident ligand ?

    Text Solution

    |

  12. The correct name for the coordination compound [CrCl(2)(H(2)O)(4)]NO(...

    Text Solution

    |

  13. The correct IUPAC name for the complex ion [CoCl(ONO)(en)(2)]^(+) is

    Text Solution

    |

  14. In the following coordination compound, [Cr(NH(3))(2)(en)Cl(2)]Br, whe...

    Text Solution

    |

  15. In the coordination compound [Co(en)(2)Cl(2)]Cl (en=ethylenediamine), ...

    Text Solution

    |

  16. In the coordination compound [Pt(NH(3))(2)Cl(2)] the coordination numb...

    Text Solution

    |

  17. A bidentate ligand always

    Text Solution

    |

  18. Which one of the following is a monodentate ligand ?

    Text Solution

    |

  19. The IUPAC name for K(4)[FeCl(2)(CN)(4)] is

    Text Solution

    |

  20. The IUPAC name for [Ru(NH(3))(2)(en)](NO(3))(2) is

    Text Solution

    |