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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 numbe of only anionic ligand bonded to metal ion

B

The number of ligands aroumnd a metal ion bounded by pi bonds

C

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

D

The number o ligands around a metal ion bonded by sigma bonds

Text Solution

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The correct Answer is:
D
Co-ordination number depends on number of `sigma`-bonds around the central metal atom.
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NARAYNA-COORDINATION COMPLEXES-EXERCISE -4
  1. In [Cr(C(2)O(4))(3)]^(3-), the isorerism shown is

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  2. A similarity between optical and geometrical isomerism is that

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  3. A square planar complex is formed by hybridization of which atomic orb...

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

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  5. In the complex [Fe(H(2)O)(6)]^(3+) [Fe(CN)(6)]^(3-) [Fe(C(2)O(4))(3)]^...

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  6. One mole of complex compound Co(NH3)5Cl3 gives 3 moles of ions on diss...

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

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  8. Which one of the following statement is correct ?

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  9. Which has regular tetrahedral geometary ?

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

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  11. Which of the following complex is an outer orbital complex?

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  12. Co-ordination compounds have great importance in biological systems. I...

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  13. Which one of the following has largest number of isomers?

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  14. The correct order of magnetic moments (spin values in B.M.) among is:

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  15. In Fe(CO)5, the Fe-C bond possesses:

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  16. Which of the following will show optical isomerism? .

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

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

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  19. IUPAC name [Co(NH(3))(5)(NO(2))]Cl(2) is

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