Home
Class 12
CHEMISTRY
The d electron congfiguration of Cr^(2+)...

The d electron congfiguration of `Cr^(2+)` , `Mn^(2+)` , `Fe^(2+)` and `Ni^(2+)` are `3d^(4)` , `3d^(5)` , `3d^(6)` and `3d^(8)` respectively. Which one of the folowing aqua complexes will exhibit the minimum paramagnetic behaviour ?
`(At. No . Cr = 24, Mn = 25, Fe = 26, Ni = 28)`

A

`[Mn(H_(2)O)_(6)]^(2+)`

B

`[Fe(H_(2)O)_(6)]^(2+)`

C

`[Ni(H_(2)O)_(6)]^(2+)`

D

`[Cr(H_(2)O)_(6)]^(2+)`

Text Solution

Verified by Experts

The correct Answer is:
C

Paramagnetic behaviour will be minimum if no. of unpaired electron will be minimum.
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 d electron configuration of Cr^(2+) , Mn^(2+) , Fe^(2+) and Ni^(2+) aru 3d^(4) , 3d^(5) 3d^(6) and 3d^(8) respectively. Which one of the following aqua complexes will exhibit the maximum paramagnetic behaviour? (At. No. Cr= 24, Mn=25, Fe = 26, Ni = 28)

The d-electronic configuration of Cr^(2+), Mn^(2+), Fe^(2+) and Ni^(2+) are, 3^(4), 3d^(5), 3d^(6) and 3d^(8) respectively. Which of the following aqua complexes will exhibit the minimum paramagnetic behavior?

Which one of the cyano complexes would exhibit the lowest value of para magnetic behaviour ? (At. No. Cr = 24, Mn = 25, Fe = 26, Co = 27)

The d- electron configurations of Mn^(2+),Fe^(2+),Co^(3+) and Ni^(2+) ard 3d^(5),3d^(6),3d^(6),3d^(8) , respectively Which of the following aqua complexes will exhibit the minimum paramagnetic behviour ? .

The d-electron configurations of Cr^(2+), Mn^(2+), Fe^(2+) and Co^(2+) are d^4, d^5, d^6 and d^7 respectively. Which one of the following will exhibit minimum paramagnetic behavious?

NIKITA PUBLICATION-CO-ORDINATION COMPOUNDS -MCQs
  1. Which of the following cannot be explained by CFT?

    Text Solution

    |

  2. Which is colourless of the following ?

    Text Solution

    |

  3. The d electron congfiguration of Cr^(2+) , Mn^(2+) , Fe^(2+) and Ni^(2...

    Text Solution

    |

  4. Which of the following complex will not show colour ?

    Text Solution

    |

  5. Ligand(s) with lone pair of elecftron(s) with vacant orbital to receiv...

    Text Solution

    |

  6. The more stable complex among the following is

    Text Solution

    |

  7. The value of stability constant depends upon

    Text Solution

    |

  8. Which one of the following statements is incorrect ?

    Text Solution

    |

  9. From the stability constants (hypothetical values),given below, predit...

    Text Solution

    |

  10. The stability constants of the complexes formed by a metal ion M^(2+) ...

    Text Solution

    |

  11. Cyanide process is used for the extraction of

    Text Solution

    |

  12. Which of the following complex will give a white precipitate on treatm...

    Text Solution

    |

  13. Complexometric titrations involve use of

    Text Solution

    |

  14. [Fe(NO(2))(3)Cl(3)] and [Fe(O-NO)(3)Cl(3)] show

    Text Solution

    |

  15. The pair in which both species have same magnetic moment (spin only va...

    Text Solution

    |

  16. Which of the following can participate in linkage isomerism ?

    Text Solution

    |

  17. The hardness of water is measured by

    Text Solution

    |

  18. When ammonia is added to AgCl, the following is /are correct observati...

    Text Solution

    |

  19. Wht will be the theoretical value of magnetic moment (mu) when CN^(-) ...

    Text Solution

    |

  20. Which of the following complex ions is expected to absorb visible ligh...

    Text Solution

    |