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The number of unpaired electron in the c...

The number of unpaired electron in the complex ion `[CoF_(6)]^(3-)` is

A

0

B

2

C

3

D

4

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The correct Answer is:
D
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AAKASH SERIES-COMPLEX COMPOUNDS -Objective Exercise-3 (PREVIOUS NEET/AIPMT)
  1. Among the following, which is not the pi- bonded organomentallic compo...

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  2. The number of unpaired electron in the complex ion [CoF(6)]^(3-) is

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  3. Which of the following coordination compounds would exhibit optical is...

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  4. Among [Ni(CO)4], [Ni(CN)4]^(-2) and [NiCl4]^(-2) species the hybrid...

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  5. CN^- is a strong field ligand. This is due to the fact that

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  6. Considering H2O as a weak field ligand, the number of unpaired electro...

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  7. Which of the following does not have a metal carbon bond ?

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  8. Which of the following is considered to be an anti cancer species.

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  9. Which one of the following is expected to exhibit optical isomerism ?

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  10. Which of the following is an inner orbital complex as well as diamagne...

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  11. [Cr(H2O)6]Cl3 (at. no. of Cr=24) has a magnetic moment of 3.83 BM. Th...

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  12. [Co(NH3)4 (NO2)2]Cl exhibits

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  13. The d-electron configuration of Cr^(2+), Mn^(2+), Fe^(2+) and Co^(2+)...

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  14. Which of the following will give a pair of enantiomorphs ?

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  15. Which of the following complexes exhibits the highest paramagnetic beh...

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  16. Out of TiF6^(2-), Cu2Cl2, NiCl4^(2-) and CoF6^(3-) (Z of Ti=22 , Co=27...

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  17. Which one of he following complexes is not expected to exhibit isomeri...

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  18. The existence of two different coloured complexes with the composition...

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  19. Which of the following does not show geometrical isomerism ?

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  20. Crystal field stabilization energy for high spin d^4 octahedral comple...

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