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A complex of certain metal has the magne...

A complex of certain metal has the magnetic moment of 4.91 BM whereas another complex of the same metal with same oxidation state has zero magnetic moment. The metal ion could be :

A

`Co^(2+)`

B

`Mn^(2+)`

C

`Fe^(2+)`

D

`Fe^(3+)`

Text Solution

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The correct Answer is:
C
The following Reaction are
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A complex of a certain metal ion has a magnetic moment of 4.90BM Another complex of the same metal ion in the same oxidation state has zero magnetic moment The central metal ion could be which of the following (a) Cr^(3+) ,(b) Mn^(3+) (c ) Fe^(2+) (d) Co^(2+) (ii) Refer to the question above if a metal ion has complex ion and with magnetic moments 4.90 and 2.8BM which one of these is the central metal ion (a) Cr^(3+) (b) Mn^(3+) , (c ) Fe^(2+) (d) Co^(2+) .

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GRB PUBLICATION-COORDINATION COMPOUNDS-D.VBT, CFT, Hybridisation
  1. Which of the following statements is not true ?

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  2. For the correct assignment of electronic configuration of a complex, t...

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  3. A complex of certain metal has the magnetic moment of 4.91 BM whereas ...

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  4. Which of the following is correct for the complex [NiBr(2)(PPH(3))(2)]...

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  5. Which of the following statement is not correct ? (a) [Ni(H(2)O)(6)...

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

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

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  8. The complex [Fe(H(2)O)(5)NO]^(2+) is formed in the 'brown ring test' f...

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  9. [Fe(en)(2)(H(2)O)(2)]^(2+) +en to " complex(X)". The correct statement...

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  10. Which of the following complexes are low spin diamagnetic ? (P) K(4)...

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  11. Which of the following statements is incorrect ?

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  12. For Co(II), (Choose incorrect statement):

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  13. Which of the following are square planar complexes ? (P) [AuCl(4)]^(...

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  14. Which of the following complexes is correctly matched with their geome...

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  15. Which one of the following has a square planar geometry ? [At. no. Co=...

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  16. S-1 : [Cr(NH(3))(6)]^(3+) is a inner orbital complex with S-2: The c...

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  17. In which of the following octahedral complexes of Co (at. no. 27), wil...

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  18. Among [Ni(CN)(4)]^(4-), [Ni(PPh(3))(3)Br] and [Ni(dmg)(2)] species, th...

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  19. The value of 'spin only' magnetic moment for one of the following conf...

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  20. Which of the following has dsp^(2) hybridization and is diamagnetic in...

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