Home
Class 12
CHEMISTRY
Nickel (Z=28) combines with a uninegativ...

Nickel `(Z=28)` combines with a uninegative monodentate ligand `X^(-)` to form a paramagnetic complex `[NiX_4]^(2-)`. The number of unpaired electron(s) in the nickel and geometry of this complex ion are, respectively:

A

One, tetrahedral

B

two, tetrahedral

C

one, square planar

D

two, square planar

Text Solution

Verified by Experts

The correct Answer is:
B
`[NiX_(4)]^(2-)`
`d^(8) , sp^(3) , 2` unpaired electron
Promotional Banner

Topper's Solved these Questions

  • COORDINATION COMPOUNDS

    GRB PUBLICATION|Exercise E. Stability, Colour and Magnetic Properties of Complexes|60 Videos

  • COORDINATION COMPOUNDS

    GRB PUBLICATION|Exercise F.Isomerism in Coordination Compounds|124 Videos

  • COORDINATION COMPOUNDS

    GRB PUBLICATION|Exercise C. Werners Theory, EAN Rule|63 Videos

  • CHEMICAL KINETICS

    GRB PUBLICATION|Exercise Subjective Type|63 Videos

  • D-BLOCK ELEMENTS

    GRB PUBLICATION|Exercise Subjective Type|18 Videos

Similar Questions

Explore conceptually related problems

Velence bond theroy describes the bonding in complexs in terms of coordinate -covalent bond resulting from overlap filled ligand orbitals with vacant metal hybrid orbitals This theory explains magnetic behaviour and geometrical shape of coordination compounds Magnetic moment of a complex compound can be determined experimentally and theoretically by using spin only formula Magnetic moment sqrtn (n+2)BM (where n = No. unpaired electrons) . Ni^(2+) cation combines with a uninegative monodentate ligand X^(Θ) to form paramagnetic complex [NiCI_(4)]^(2-) The number of unpaired electrons(s) in central metal cation and geometry of this complex respectively are (a) One,tetrahedral (b) Two,tetrahedral (c ) One,square planar (d) Two, square planar .

The number of unpaired electron(s) in Mg^(2+) ion is

Nickel (Z=28) combines with a uninegative monodenatate ligands to form a diamagnetic complex [NiL_(4)]^(2-) . The hybridisation involved and the number of unpaired electrons present in the complex are respectively:

The number of unpaired electrons in the complex ion [CoF_(6)]^(3-) is

The number of unpaired electrons in a nickel atom (ground state) are (At. No. of Ni=28)

Give the number of unpaired electron(s) in the complex ion [CoCI_(6)]^(3-) .

The number of unpaired electrons expected for the complex ion [Cr(NH_(3))_(6)]^(2+) is :

GRB PUBLICATION-COORDINATION COMPOUNDS-D.VBT, CFT, Hybridisation
  1. Which of the following statement is not correct ? (a) [Ni(H(2)O)(6)...

    Text Solution

    |

  2. Both [Ni(CO)(4)] and [Ni(CN)(4)]^(2-) are diamagnetic. The hybridisati...

    Text Solution

    |

  3. Nickel (Z=28) combines with a uninegative monodentate ligand X^(-) to ...

    Text Solution

    |

  4. The complex [Fe(H(2)O)(5)NO]^(2+) is formed in the 'brown ring test' f...

    Text Solution

    |

  5. [Fe(en)(2)(H(2)O)(2)]^(2+) +en to " complex(X)". The correct statement...

    Text Solution

    |

  6. Which of the following complexes are low spin diamagnetic ? (P) K(4)...

    Text Solution

    |

  7. Which of the following statements is incorrect ?

    Text Solution

    |

  8. For Co(II), (Choose incorrect statement):

    Text Solution

    |

  9. Which of the following are square planar complexes ? (P) [AuCl(4)]^(...

    Text Solution

    |

  10. Which of the following complexes is correctly matched with their geome...

    Text Solution

    |

  11. Which one of the following has a square planar geometry ? [At. no. Co=...

    Text Solution

    |

  12. S-1 : [Cr(NH(3))(6)]^(3+) is a inner orbital complex with S-2: The c...

    Text Solution

    |

  13. In which of the following octahedral complexes of Co (at. no. 27), wil...

    Text Solution

    |

  14. Among [Ni(CN)(4)]^(4-), [Ni(PPh(3))(3)Br] and [Ni(dmg)(2)] species, th...

    Text Solution

    |

  15. The value of 'spin only' magnetic moment for one of the following conf...

    Text Solution

    |

  16. Which of the following has dsp^(2) hybridization and is diamagnetic in...

    Text Solution

    |

  17. Which one is an outer orbital complex ?

    Text Solution

    |

  18. The geometry of [NiCl(4)]^(2-) and [Ni(PPh(3))(2)Cl(2)]are :

    Text Solution

    |

  19. The geometry ion which hs no d electrons in the central metal atom is ...

    Text Solution

    |

  20. The species having tetrahedral shape is

    Text Solution

    |