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Ni(CO)4 is an example of...

`Ni(CO)_4` is an example of

A

cationic complex

B

neutral comolex

C

anionic complex

D

poly nuclear complex

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The correct Answer is:
B
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Which of the following is an example of co-polymer ?

Which of the following are true for the complex Ni(CN)_4^(2-) ion (A) Hybridisation of Ni^(2+) ion is dsp^2 (B) Shape of the complex ion is planar square (C) Magnetic moment of the complex is 2.83 BM (D) The complex is an example for a high spin complex

Assertion: The number of unpaired electrons in Ni(CO)_4 complex is zero. Reason : 4s electrons of Ni atom enter the inner d-orbitals to facilitate the sp^3 hybridization in Ni atom.

[NiCl_(4)]^(2-) is paramagnetic while [Ni(CO)_(4)] is diamgnetic though both are tetrahedral. Why ?

Assertion: Ni(CO)_4 complex is tetrahedral in shape Reason: Ni atom undergoes sp^3 hybridization in Ni(CO)_4 .

AAKASH SERIES-COMPLEX COMPOUNDS -OBJECTIVE EXERCISE -1 (COMPLEX COMOUNDS)
  1. A ligand can not be ( A) neutral, (B) anionic , (C) anionic

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  2. Example of neutral complex compound in the following list

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  3. Alum in aqueous solution gives positive test for (A)K^(+) , (B) Al^(3...

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  4. Ni(CO)4 is an example of

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  5. Donor atoms in ethylenediamine are

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  6. First theory to explain the formation of complexes was proposed by

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  7. Primary valency denotes

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  8. Primary valency is satsified by

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  9. The coordination number of a central metal atom in a complex is determ...

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  10. Structure of the complex with sp^3 hybridisation

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  11. Inner complex is also called

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  12. The primary valency of 'Fe' in the complex K(4)[Fe(CN)(6)] is

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  13. The hybridisation of metal ion in square planar complexes in

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  14. The hybridisation of Iron in K(4)[Fe(CN)(6)] is

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  15. One mole of the complex compound CoCl3 xNH3 gives 3 moles of ions on d...

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  16. Number of chlorides satisfying secondary valency in CoCl3 . 4NH3

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  17. Total number of ions the complex CoCl3 .6NH3 gives in water

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  18. Effective atomic number of transition metal in potassium ferrocyanide

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  19. According to pauling the orbitals involved in the hybridisation to for...

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  20. In the formation of some complexes, electrons in the metal orbital may...

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