Home
Class 12
CHEMISTRY
[Cr(NH3)6]^3+ is paramagnetic while [...

[Cr(NH3)6]^3+ is paramagnetic while [Ni(CN)4]^2- is' diamagnetic. Explain why?

Text Solution

Verified by Experts

[Cr(NH_3)_6^circ. .operatornameCr(24):[operatornameAr] 4 s^1 3 d^3 ,^* C r^3 dot(24):[A r] 4 s^0 3 d^3. .hybridisation It is paramagnetic due to,presence of unpaired electrons .[Ni(CN)_4]^2-. i .4 i^2 3 ~d^8. .Ni^2 dot 4 ~s^0 3 ~d^8. It has square planar shape and điamagnetịc due to absence of unpaired electrons.
Promotional Banner

Topper's Solved these Questions

  • CHEMISTRY IN EVERYDAY LIFE

    V PUBLICATION|Exercise QUESTION BANK|74 Videos

  • ELECTROCHEMISTRY

    V PUBLICATION|Exercise QUESTION BANK|154 Videos

Similar Questions

Explore conceptually related problems

Assertion : [Fe(CN)_6]^(3-) is weakly paramagnetic while [Fe(CN)_6]^(4-) is diamagnetic. Reason : [Fe(CN)_6]^(3-) has +3 oxidation state while [Fe(CN)_6]^(4-) has +2 oxidation state.

[Fe(H_2O)_6]^(3+) is strongly paramagnetic whereas {Fe(CN)_6]^(3-) is weakly paramagnetic Expain?

[NiCl_4]^(2-) is paramagnetic while Ni(CO)_4 is diamagnetic though both are tetrahedral.Why?

The magnetic behaviour of a complex can be expained on the basis of VB theory [CO(NH_3)_6)]^(3+) is a diamagnetic complex and [CoF_6]^3- is a paramagnetic complex.Substantiate the above statement using VB theory.

Assertion : [Fe(H_2O)_6]^(3+) is strongly paramagnetic whereas [Fe(CN)_6]^(3-) is weakly paramagnetic. Reason : H_2O is a weak field ligand and CN^(-) is a strong field ligand.

The octahedral complex [Co(NH_3)_6]^(3+) is diamagnetic while the octahedral complex [CoF_6]^(3-) is paramagnetic. Explain using VB theory.

Explain on the basis of V.B, theory that [Ni(CN)_4]^(2-) ion with square planar structure is diamagnetic and the [NiCl_4]^2- ion with tetrahedral geometry is paramagnetic.

A solution of [Ni(H_2O)_6]^(2+) is green but a solution of [Ni(CN)_4]^(2-) is colourless. Explain.

V PUBLICATION-COORDINATION COMPOUNDS-QUESTION BANK
  1. What is spectro chemical series ? Explain the difference betweena weak...

    Text Solution

    |

  2. What is crystảl field 'splitting energy? How does the magnitude of 'De...

    Text Solution

    |

  3. [Cr(NH3)6]^3+ is paramagnetic while [Ni(CN)4]^2- is' diamagnetic....

    Text Solution

    |

  4. A solution of [Ni(H2O)6]^(2+) is green but a solution of [Ni(CN)4]^(2-...

    Text Solution

    |

  5. [Fe(CN)6]^4- and [Fe(H2 O)6]^2+ are of different colours. in dil...

    Text Solution

    |

  6. Discuss the nature of bonding in metal carbonyIs.

    Text Solution

    |

  7. Give the oxidation state, d-orbital occupation and coordination number...

    Text Solution

    |

  8. Write down the IUPAC name for each of the following complexes and indi...

    Text Solution

    |

  9. What is meant by stability of a coordination compound in solution? Sta...

    Text Solution

    |

  10. What is meant by chelate effect? Give an example.

    Text Solution

    |

  11. Discuss briefly giving an example in each case the role of coordinati...

    Text Solution

    |

  12. How many ions are produced from the ćomplex [Co(NH3)6]Cl3 in solution?...

    Text Solution

    |

  13. Amongst the following ions which one has the highest magnetic moment v...

    Text Solution

    |

  14. The oxidation nụmber of cobalt in K(Co(CO)4) is i) '+1' ii '+3' iii) ...

    Text Solution

    |

  15. Amongst the following the most stable complex is: i) '[Fe(H₂O)₆ ³⁺ ii)...

    Text Solution

    |

  16. What will be the correct order for the wavelengths of absorption in th...

    Text Solution

    |

  17. Based on the number of donor atomsin ligands they can be classified as...

    Text Solution

    |

  18. A coordination entity is given below: '[CrCl2(0 x)2]^3-' Now, identify...

    Text Solution

    |

  19. Two complexes [Fe(CN)6]^(3-) and [Fe(CN)6]^(4-) are given. Cómpare the...

    Text Solution

    |

  20. "Strength of the ligand can affect the magnetic property of the coordi...

    Text Solution

    |