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The compound which does not show paramag...

The compound which does not show paramagnetism is

A

`[Cu(NH_(3))_(4)]Cl_(2)`

B

`[Ag(NH_(3))_(2)]Cl`

C

NO

D

`NO_(2)`

Text Solution

Verified by Experts

The correct Answer is:
B
`[Cu(NH_(3))_(4)]Cl_(2)` is paramagnetic with one unpaired electorn.
`[Ag(NH_(3))_(2)]Cl`
Ag (Z = 47) : `[Kr]^(36)5s^(1)3d^(10)`
`Ag^(+)` : `[Kr]^(36)4d^(10)`
Hybridisation is sp and complex is linear and diamagnetic (hence not paramagnetic ). NO has `15(7+8)` electrons . Due to the presence of unpaired electron it is paramagnetic. `NO_(2)` has 23 `(7+8+8)` electrons. Due to the presence of unpaired electron it is paramagnetic.
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DINESH PUBLICATION-CO-ORDINATION COMPOUNDS -SELECTED STRAIGHT OBJECTIVE TYPE MCQS
  1. The oxidation state of Fe in brown complex [Fe(H(2)O)(5)NO]SO(4) is

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  2. Amongst Ni(CO)(4),[Ni(CN)(4)]^(2-) and [NiCl(4)]^(2-)

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  3. The compound which does not show paramagnetism is

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  4. The number of d-electrons in [Cr(H(2)O)(6)]^(3+) [At. No. of Cr = 24 ]...

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  5. Among the following ions, which one has the highest paramagnetism?

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  6. Which of the following is an organometallic compound ?

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  7. In nitroprusside ion, the iron and NO exist as Fe(II) and NO^(+) rathe...

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  8. The geometry of Ni(CO(4)) and Ni(PPh(3))(2)Cl(2) are

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  9. The pair having the same magnetic moment is [at. No. Cr = 24, Mn = ...

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  10. The correct order of hybridisation of the central atom in the followin...

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  11. A mixture x containing 0.02 mol of [Co(NH(3))(5) SO(4)]Br and 0.02 mol...

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  12. In the process of extraction of gold. Roasted gold ore +CN^(-)+H(2)O...

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  13. The pair of the compounds in which both the metals are in the highest ...

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  14. The species having tetrahedral shape is

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  15. Which kind of isomerism is shown by Co (NH(3))(4) Br(2) Cl ?

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

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  17. The diamagnetic species is

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

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  19. Which of the following compounds show optical isomerism?

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

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