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[Fe(H(2)O)(6)]^(2+) is...

`[Fe(H_(2)O)_(6)]^(2+)` is

A

octahedral outer orbital complex

B

octahedral inner orbital complex

C

It is diamagnetic

D

It hashybridization `d^(2)sp^(3)`

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The correct Answer is:
A
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The comple [Fe(H_(2)O)_(6)NO]^(2+) is formed in the brown ring test fro nitrates when freshly prepared FesO_(4) solution is added to aqueous solution of NO_(3)^(-) ions followed by addition of conc. H_(2)SO_(4) . Select correct statement about this complex.

Arrange the following in order of decreasing number of unpaired electrons. : I:[Fe(H_(2)O)_(6)]^(2+) " " II:[Fe(CN)_(6)]^(3-)" " III:[Fe(CN)_(6)]^(4-) " " IV:[Fe(H_(2)O)_(6)]^(3+)

The enthalpy of hydration of the Fe^(2+) ion is 11.4kcal//mol higher than would be expected if there were no crystal field stabillisation energey Assuming the equo complex to be high spin estimate the magnitude of Delta_(0) for [Fe(H_(2)O)_(6)]^(2+) ion .

(i) Write the electronic configuration iron ion in the following complex ion and predict its magnetic behaviour : [Fe(H_(2)O)_(6)]^(2+) (ii) Write the IUPAC name of the coordination complex: [CoCl_(2)(en)_(2)]NO_(3)

NIKITA PUBLICATION-CO-ORDINATION COMPOUNDS -MCQs
  1. How many ions for moles are present in [Pt(NH(3))(2)Cl(4)] ?

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  2. Fac-mer isomerism is possible in

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  3. [Fe(H(2)O)(6)]^(2+) is

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  4. Which of the following complex is used in silver plating ?

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  5. Which of the following diapositive cation produces more stable complex...

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  6. The primary and secondary valencies of chromium in the complex ion, di...

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  7. Oxidation state of chromium in following complex is

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  8. The non-existant metal carbonyl among the following is

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  9. The pair [Co(NH(3))(5)NO(3)]SO(4) and [Co(NH(3))(5)SO(4)]NO(3) will sh...

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  10. Which one of the following co-ordination compounds exhibit ionization ...

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  11. If the Effective Atomic Number (EAN) of [A(NH(3))(6)]Cl(3) is 33, is t...

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  12. Tollen's reagent is

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  13. Which of the following aquated metal ions has the highest paramagnetis...

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  14. The hybridization states of the central atom in the complex ions [FeF(...

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  15. The complex ion [Co(NH(3))(6)]^(3+) is formed by sp^(3) d^(2) hybridir...

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  16. Which of the following is strong ligand ?

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  17. Formula of hexa-aquamanganese (II)phosphate is

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  18. How many hydrate isomers are possible with the formula CrCl(3).6H(2)O?

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  19. The neutral molecules or ions which co-ordinate with the central atom ...

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  20. IUPAC name of [Pt(NH(3))(3) (Br)(NO(2))CI] CI is

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