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Which of the following complex ion does ...

Which of the following complex ion does not have 'd'-electrons in the central metal atom-

A

`[MnO_(4)]^(-)`

B

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

C

`[Fe(CN)_(6)]^(3-)`

D

`[Cr(H_(2)O)_(6)]^(3+)`

Text Solution

Verified by Experts

The correct Answer is:
A
Oxidation state of Mn in `[MnO_(4)]^(-)` = +7 , hence it does not have any d-electrons present in it .
`Mn^(7+) (Z = 25) : [Ar] 4s^(0) 3d^(0)`
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NCERT FINGERTIPS-COORDINATION COMPOUNDS -Bonding In Coordination Compounds
  1. Which of the following molecules has a regular tetrahedral shape?

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  2. Mark the correct statements regarding the geometry of complex ions . ...

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  3. Which of the following complex ion does not have 'd'-electrons in the ...

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  4. Give reason for the statement [Ni(CN)(4)]^(2-) is diamagnetic while [N...

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  5. The lowest value of paramagnetism is shown by

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  6. Explain the following: (i) All the octahedral complexes of Ni^(2+)...

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  7. Deduce the structures of [NiCl(4)]^(2-) and [Ni (CN)(4)]^(2-) consider...

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  8. Which of the following has largest paramagnetism ?

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  9. Using valence bond theory , the complex [Cr(H(2)O)(6)]^(3+) can be des...

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  10. Which of the following descriptions about [FeCl(6)]^(4-) is correct ab...

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  11. When excess of ammonia is added to CuSO4 solution, the deep blue colou...

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

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  13. Among the following the compound that is both paramagnetic and coloure...

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  14. The spin only magnetic moment value of Cr(CO)(6) is

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  15. Which of the following complexes will show maximum paramagnetism ?

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  16. Match the column I with column II and mark the appropriate choice .

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  17. Electronic configuration of [Cu(NH(3))(6)]^(2+) on the basis of crysta...

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  18. Which of the following energy level diagram for [FeF(6)]^(3-) is corre...

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  19. In [NiCl(4)]^(2-) ,the number of unparied electron is

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  20. Which of the following shell from an octahedral complex

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