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Which of the following carbonyls will ha...

Which of the following carbonyls will have the strongest `C-O` bond -

A

`Mn(CO)_(6)^(+)`

B

`Cr(CO)_(6)`

C

`V(CO)_(6)^(-)`

D

`Fe(CO)_(5)`

Text Solution

Verified by Experts

The correct Answer is:
A
Higher the `+ve` charge on the central metal atom, lesser is its tendency to undergo backbonding with `CO` molecule and consequently, stronger is the `C-O` bond.
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CHHAYA PUBLICATION-COORDINATION COMPOUNDS OR COMPLEX COMPOUNDS-ENTRANCE QUESTIONS (ENGINEERING AND MEDICAL ARCHIVE) (NEET)
  1. Of the following complex ions, which is diamagnetic in nature -

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  2. Which of the following complex compounds will exhibit highest paramagn...

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  3. Which of the following carbonyls will have the strongest C-O bond -

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  4. Which one of the following is an outer orbital complex and exhibits pa...

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  5. Which among the following will be named as dibromidobis (ethylenediami...

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  6. A magnetic moment of 1.73 BM will be shown by one among the folllowing...

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  7. Which of the following complexes is used to be as an anticancer agent-

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  8. Among the following complexes, the one which shown zero crystal field ...

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  9. Number of possible isomers for the complex [Co(en)(2)Cl(2)] will be (e...

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  10. The hybridisation involved in complex [Ni(CN)(4)]^(2-) is ("At.no. o...

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  11. The name of complex ion, [Fe(CN)(6)]^(3-) is -

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  12. The sum of coordination number and oxidation number of the metal M in ...

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  13. The correct increasing order of trans - effect of the following specie...

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  14. Jahn-Teller effect is not found in high spin complex of -

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  15. Which of the following has longest C-O bond length ? (Fee C-O bond len...

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  16. Pick out the correct statement with respect to [Mn(CN)(6)]^(3-)-

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  17. The correct order of the stoichiometry of AgCl formed when AgNO(3) in ...

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  18. Correct increasing order for the wavelengths of absorption in the visi...

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  19. Iron carbonyl, Fe(CO)(5) is -

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  20. The type of isomerism shown by the complex [CoCl(2)(en)(2)] is -

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