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Which ion isare) not paramagnetic :...

Which ion isare) not paramagnetic :

A

`[Ni(NH_(3))_(6)]^(2+)`

B

`[Ni(Co)_(4)]`

C

`[Co(NH_(3))_(6)]^(3+)`

D

`[Ni(CN)_(4)]^(2+)`

Text Solution

Verified by Experts

The correct Answer is:
B, C, D
In `[Ni(NH_(3))_(6)]^(2+)`, the metal atom is `sp^(3)d^(2)` hybrid with 2 inparied electrons in 3d orbitals.
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AAKASH SERIES-CO-ORDINATION COMPOUNDS-LEVEL-II LECTURE SHEET EXERCISE-I (Single & One or more than One Correct Answers )
  1. The ligand which gives chaelate complexes is:

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  2. Which of the following is(are) true about metal - ligands complex :

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  3. Which ion isare) not paramagnetic :

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  4. Which of the following isare) considered as an organometallic compound...

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  5. Which is true in the case of [Ni(CO)(4)] complex :

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

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

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  8. A bidentale ligand is

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

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

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

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  12. Which is not correctly matched ?

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

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

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

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

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

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

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

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

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