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The coordination number of a central met...

The coordination number of a central metal atom in a complex is determined by:

A

The number around a metal is bonded bt pi-bonds

B

The number of only anionic ligands bonded to the metal atom

C

the number of ligands aronud a metal ion bonded sigma and pi-bonds both

D

The number of ligands around a metal ion bonded by sigma bonds.

Text Solution

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The number of atoms of the ligand that one directly bonded to the central metal atom or ion by coordinate bond is known as the coordination number of metal = number of `sigma` bonds formed by metal with ligand.
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DINESH PUBLICATION-CO-ORDINATION COMPOUNDS -UNIT TEST - IG
  1. Which of the following is not true for ligand metal complex ?

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  2. The coordination number of a metal in coordination compound is

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

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  4. EDTA has coordination number

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  5. Among the properties (A) reducing(B) oxidising (C ) complexing the set...

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  6. Ligans in complex compounds

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  7. Ammonia forms the complex [Cu(NH3)4]^(2+) with copper ions in alkaline...

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  8. An aqueous solution of potassium gives

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  9. The correct name of |Pt(NH(3))(4)Cl(2)||PtCl(4)| is

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  10. IUPAC name of K(4)|Fe(CN)(6)| is

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  11. IUPAC name of |Co(ONO)(NH(3))(5)Cl(2)| is

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  12. Which of the following is a wrong statement?

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  13. The IUPAC name of K(2)[Cr(CN)(2)O(2)(O(2))]NH(3)

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  14. Coordination isomerism is caused by interchange of ligands between the

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  15. Amongst Ni(CO)(4),[Ni(CN)(4)]^(2-) and [NiCl(4)]^(2-)

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  16. The type of isomerism present in intro pentaamine-chromium(III)chlorid...

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  17. The complexes |Co(NH(3))(6)||Cr(C(2)O(4))(3)| and |Cr(NH(3))(6)||Co(Cr...

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  18. |Pt(NH(3))(4)Cl(2)|Br(2) and |Pt(NH(3))(4)Br(2)|Cl(2) ion are related

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  19. What is the magnetic moment of K(3)|FeF(6)| ?

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  20. The geometry of Ni(CO(4)) and Ni(PPh(3))(2)Cl(2) are

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