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In metal carbonyls, metal ligand sigma b...

In metal carbonyls, metal ligand `sigma` bond is formed by :

A

Vacant orbital of metal and lone pair of carbon

B

Vacant d-orbital and occupied `pi^(*)` orbital of ligand

C

Occupied d-orbital and vacant `pi^(*)` orbital of ligand

D

Vacant orbital of metal and lone pair of oxygen

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The correct Answer is:
A
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In metal carbonyls, there is synergic bonding interaction between metal and carbon monoxide. This leads to increase in strength of metal ligands bond and decrease in bond order of CO in carbonyl complex as compared to bond order in carbon monoxide. Simple carbonyls are invariably spin-paired complexes except for vanadium metal. Which one of the following metal carbonyl involves the d^(2)sp^(3) hybridization for the formation of metal-carbon sigma" "bonds and is paramagnetic ?

In metal carbonyls, there is synergic bonding interaction between metal and carbon monoxide. This leads to increase in strength of metal ligands bond and decrease in bond order of CO in carbonyl complex as compared to bond order in carbon monoxide. Simple carbonyls are invariably spin-paired complexes except for vanadium metal. Which of the following statement is correct for metal carbonyls ?

GRB PUBLICATION-COORDINATION COMPOUNDS-G. Organometallic Compounds, Synergic Bonding
  1. Which has aromatic ring in complex ?

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  2. Which has largest C-O bond length in the given, complexes ?

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  3. In metal carbonyls, metal ligand sigma bond is formed by :

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  4. Which of the following ligand is not pi-acceptor ligand ?

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  5. Which of the following molecule has lower v(c-o) (stretching vibration...

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  6. Select the correct statement for Zeise's salt :

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  7. Which of the following has lower stretching frequency for C-O bond ?

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  8. Select the correct statement :

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  9. Arrange the following complex in increadsing order of stretching vibra...

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  10. The V-C distance in V(CO)(6)" and "[V(CO)(6)]^(-) are repectively (in ...

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  11. Identify the correct order :

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  12. Tetracyanoethylene has a formal C=C double bond length of X in the fre...

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  13. Which of the following has lower viscosity?

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  14. Which of the following species show(s) synergi bonding ?

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  15. Arrange the following compoound according to d(C-C) order : (P) C(2)...

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  16. Which of the following is ann oxidizing agent?

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  17. If H(2) molecule is acting as ligand via oxidate addition : [Ir^(I)(...

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  18. Which of the following factor is responsible for the pi character in m...

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  19. Select the incorrect statement about metal carbonyl complex compounds ...

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  20. Identify the type of bond character between Ni" and "CO lidgand in [Ni...

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