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The diamagnetic species is...

The diamagnetic species is

A

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

B

`[NiCl_(4)]^(2-)`

C

`[CoCl_(4)]^(2-)`

D

`[CoF_(6)]^(2-)`

Text Solution

Verified by Experts

The correct Answer is:
A
`CN^(-)` is a straght ligand where as `Cl^(-) and F^(-)` are weak ligands . Hence, electrons in `|Ni(CN)_(4)|^(2-)` pair up and it is diamagnetic.
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DINESH PUBLICATION-CO-ORDINATION COMPOUNDS -SELECTED STRAIGHT OBJECTIVE TYPE MCQS
  1. Which kind of isomerism is shown by Co (NH(3))(4) Br(2) Cl ?

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  2. In which of the following pairs both the complexes do not show optical...

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  3. The diamagnetic species is

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  4. The correct order for the wavelength of absorption in the visible regi...

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  5. Which of the following compounds show optical isomerism?

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  6. Which one of the cyano complexes would exhibit the lowest value of par...

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

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  8. Which one of the following is expected to exhibit optical isomerism (e...

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  9. IUPAC name [Co(NH(3))(5)(NO(2))]Cl(2) is

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  10. Nickel (Z=28) combines with a uninegative monodentate ligand X^(-) to ...

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  11. In Fe(CO)5, the Fe-C bond possesses:

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  12. How many EDTA molecules are required to make an octahedral complex wit...

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  13. [Cr(H2 O)6]Cl3 (at no. of Cr = 24) has a magnetic moment of 3.83 B.M. ...

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  14. [Co(NH(3))(4)(NO(2))(2)]CI exhibits

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  15. Copper sulphate dissolves in excess of KCN to give

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  16. The pair in which both species have same magnetic moment (spin only va...

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  17. The number of possible of an octahedral complex [Co(C(2)O(4))(2)(NH(3)...

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  18. Among the following , the species having square planar geometry for ce...

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  19. Ag^(+)+hArr|Ag(NH(3))(2)|^(+), k(1) = 6.8 xx 10^(-3) [Ag(NH(3))]^(+)...

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  20. If the bond length of CO bond in carbon monoxide is 1.128 Å, then what...

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