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Which of the following complex ion is no...

Which of the following complex ion is not expected to absorb visible light?

A

`[Ni(H_2O)_6]^(2+)`

B

`[Ni(CN)_4]^(2-)`

C

`[Cr(NH_3)_6]^(3+)`

D

`[Fe(H_2O)_6]^(2+) `

Text Solution

Verified by Experts

The correct Answer is:
B
Not expected to absorb visible light
unpaired electron is zero.
`i.e., [Ni(CN)_4]^(-2) `
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ERRORLESS-COORDINATION COMPOUNDS-NCERT BASED QUESTION (VALENCE BOND THEORY AND GEOMETRY AND MAGNETIC NATURE OF COORDINATION COMPOUNDS)
  1. The reaction [Fe(CNS)6]^(3-)rarr[FeF6]^(3-) takes place with:

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  2. The complex showing a spin -magnetic momnet of 2.82 BM is .

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  3. Which of the following complex ion is not expected to absorb visible l...

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  4. Amongst [NiCl(4)]^(2-), [Ni(H(2)O)(6)]^(2+), [Ni(PPh(3))(2)Cl(2)], [Ni...

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  5. What is the shape of Fe(CO)5

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  6. What type of hybridization is involved in [Fe(CN)6]^(3-)

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

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  8. Which of the following shell form an outer octahedral complex

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  9. Which has square planar geometry

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  10. Hybridization shape and magnetic moment of K(3)[Co(CO)(6)] is

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  11. The correct statement with respect to the complexes Ni(CO)4 and [Ni(CN...

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  12. Which of the following molecules is not tetrahedral ?

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  13. Geometrical shapes of the complex formed by the reaction of Ni^(2+) wi...

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  14. In Fe(CO)(5), the Fe larr CO sigma bond results by the overlap between...

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  15. The number of unpaired electrons in Ni (CO)(4) is

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  16. Which complex compound obeys 18-electron rule

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  17. Both [Ni(CO)4] and [Ni (CN)4]^(2-) are diamagnetic The hybridisation...

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  18. Which of the following complex is an outer orbital complex?

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

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  20. The diamagnetic species is

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