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Fe(2)(CO)(9) is diamagnetic. Which of th...

`Fe_(2)(CO)_(9)` is diamagnetic. Which of the following reasons is correct :

A

Presence of one CO as bridge group

B

Presence of monodentate ligand

C

Metal - metal (Fe-Fe) bond in molecule

D

Resonance hybridisation of CO

Text Solution

Verified by Experts

The correct Answer is:
A, B, D
All electrons are paird up and M-M bond is absent.
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AAKASH SERIES-CO-ORDINATION COMPOUNDS-LEVEL-II LECTURE SHEET EXERCISE-I (Single & One or more than One Correct Answers )
  1. Which is true in the case of [Ni(CO)(4)] complex :

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  2. Which of the following cations form an amine complex with excess of am...

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  3. Fe(2)(CO)(9) is diamagnetic. Which of the following reasons is correct...

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  4. A bidentale ligand is

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  5. The complex [Hgl(3)]^(-)

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  6. K(4)[Fe(CN)(6)] is used in the identification of:

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  7. The oxidation number of metal atom is (are)zero in :

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  8. Which is not correctly matched ?

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  9. The complex ion [Cu(NH(3))(4)]^(2+) has :

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  10. Which of the following statements is/are true ?

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  11. Which of the following statement(s) is/are correct?

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  12. The d-orbitals involved in sp^(3)d^(2) or d^(2)sp^(3) hybridisation of...

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  13. Coordination number of Cr is 6. A complete entity with C(2)O(4)^(-2), ...

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  14. Which of the following statement(s) is (are) correct?

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  15. For [Fe(CN)(6)]^(4-).[Ni(CN)(4)]^(2-)and[Ni(CO)(4)]. Correct statement

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  16. Which have octahedral shape (d^(2)sp^(3)) hybridisation of central ato...

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  17. Which possesses tetrahedral shape (sp^(3)- hybridisation of central at...

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  18. Which of the following complexes is a chelate ?

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  19. A complex shown below can exhibit :

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  20. Which of the following compounds can exhibit geometrical isomerism?

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