Home
Class 12
CHEMISTRY
[Fe(H2O)6]^(3+) is strongly paramagnetic...

`[Fe(H_2O)_6]^(3+)` is strongly paramagnetic whereas `[Fe(CN)_6]^(3-)` is weakly paramagnetic. Explain.

Text Solution

Verified by Experts

In presence of `CN^(–)`, (a strong ligand) the 3d electrons pair up leaving only one unpaired electron. The hybridisation is `d^(2)sp^(3)` forming inner orbital complex. In the presence of `H_(2)O`, (a weak ligand), 3d electrons do not pair up. The hybridisation is `sp^(3)d^(2)` forming an outer orbital complex containing five unpaired electrons, it is strongly paramagnetic
Promotional Banner

Topper's Solved these Questions

  • COORDINATION COMPOUNDS

    NCERT|Exercise Exercise|41 Videos

  • CHEMISTRY IN EVERYDAY LIFE

    NCERT|Exercise Exercise|32 Videos

  • ELECTROCHEMISTRY

    NCERT|Exercise Exercise|33 Videos

Similar Questions

Explore conceptually related problems

Fe^(2+) is paramagnetic

[Ni(CN)_(4)]^(2-) is diamagnetic while [Cr(NH_(3))_(6)]^(3+) is paramagnetic. Explain.

[Cr(NH_3)_6]^(3+) is paramagnetic while [Ni(CN)_4]^(2-) is diamagnetic. Explain why?

[Ti(H_(2)O)_(6)]^(3+) is paramagnetic in nature due to

Account for the fact that [Fe(CN)_6]^(3-) is weakly paramagnetic while [Fe(CN)_6]^(2+) is diamagnetic.

Explain the following giving reasons (a) [NiCI_(4)]^(2-) is tetrahedral and paramagnetic whereas [Ni(CN)_(4)]^(2-) is square plannar and dimagnetic (b) [Fe(H_(2)O)_(6)]^(3+) ion is more paramagnetic than [Fe(CN)_(6)]^(3-) ion (c ) Ni(CO)_(4) is tetrahedral while [Ni(CN)_(4)]^(2-) ion is square planar (d) [Co(F_(6))]^(3-) is a high spin complex whereas [Co(CN)_(6)]^(3-) ion is a low spin complex .

NCERT-COORDINATION COMPOUNDS-Exercise
  1. Deduce the structures of [NiCl(4)]^(2-) and [Ni (CN)(4)]^(2-) consider...

    Text Solution

    |

  2. [NiCl(4)]^(2-) is paramagnetic while [Ni(CO)(4)] is diamagnetic though...

    Text Solution

    |

  3. [Fe(H2O)6]^(3+) is strongly paramagnetic whereas [Fe(CN)6]^(3-) is wea...

    Text Solution

    |

  4. Explain [Co(NH3)6]^(3+) is an inner orbital complex whereas [Ni(NH3)6]...

    Text Solution

    |

  5. Predict the number of unpaired electrons in the square planar [Pt(CN)4...

    Text Solution

    |

  6. The hexaquo manganese(II) ion contains five unpaired electrons, while ...

    Text Solution

    |

  7. WERNER’S THEORY OF COORDINATION COMPOUNDS

    Text Solution

    |

  8. FeSO4 solution mixed with (NH4)2SO4 solution is 1:1 molar ratio gives ...

    Text Solution

    |

  9. Explain with two examples each of the following: coordination entity, ...

    Text Solution

    |

  10. What is meant by unidentate and ambidentate ligands? Give two examples...

    Text Solution

    |

  11. Specify the oxidation numbers of the metals in the following coordinat...

    Text Solution

    |

  12. Using IUPAC norms write the fomulas for the following (i). Tetrahydr...

    Text Solution

    |

  13. Using IUPAC norms write the systematic names of the following: (i). ...

    Text Solution

    |

  14. List various types of isomerism possible for coordination compounds, g...

    Text Solution

    |

  15. How many geometrical isomers are possible in the following corrdinatio...

    Text Solution

    |

  16. Draw the structures of optical isomers of: (i). [Cr(C2O4)3]^(3-) (...

    Text Solution

    |

  17. Draw all the isomers (geometrical and optical) of: (i) [CoCl(2)(en)(...

    Text Solution

    |

  18. Write all the geometrical isomers of [Pt(NH3)(Br)(Cl)(py)] and how man...

    Text Solution

    |

  19. Aqueous copper sulphate solution (blue in colour) gives: (i). A gree...

    Text Solution

    |

  20. What is the coordination entity formed when excess of aqueous KCN is a...

    Text Solution

    |