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The complex ions [Fe(CN)(6)]^(3-) and [F...

The complex ions `[Fe(CN)_(6)]^(3-)` and `[Fe(CN)_(6)]^(4-)` :

A

Are both octahedral and paramagnetic

B

Are both octahedral and diamagnetic

C

Have same structure but opposite magnetic character

D

Have different structure but opposite magnetic character

Text Solution

Verified by Experts

The correct Answer is:
C
`[Fe(CN)_(6)]^(3-)` is paramagnetic while `[Fe(CN)_(6)]^(4-)` is diamagnetic.
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OP TANDON-COORDINATION COMPOUNDS-D.VBT, CFT, Hybridisation
  1. The CFSE for octahedral [CoCl(6)]^(4-) complex is 18000 cm^(-1). Then,...

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

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  3. The complex ions [Fe(CN)(6)]^(3-) and [Fe(CN)(6)]^(4-) :

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  4. Which of the following statement is correct for complex [Cr(NH(3))(CN)...

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  5. Which of the following complex involves d^(2)sp^(3) hybridization ?

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  6. Which is true for [Ni(en)(2)]^(2+) ? (Atomic number of nickel is 28)

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  7. The crystal field-splitting for Cr^(3+) ion in octahedral field change...

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  8. Arrange the following in order of decreasing number of unpaired electr...

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  9. Which of the following statement is false ?

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  10. The [Fe(CN)(6)]^(3-) complex ion :

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  11. Consider the following statements : (P) [Mn(H(2)O)(4)]SO(4) is param...

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  12. Which of the followin statements about Fe(CO)(5) is correct ?

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  13. Which of the following statements is not true ?

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  14. For the correct assingment of electronic configuration of a complex, t...

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

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

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  17. Which of the following statement is not correct ? (P) [Ni(H(2)O)(6)]...

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

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

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

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