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For [FeF(6)]^(3-) and [CoF(6)]^(3-), the...

For `[FeF_(6)]^(3-) and [CoF_(6)]^(3-)`, the statement that is correct is :

A

both are coloured

B

both are colourless

C

`[FeF_(6)]^(3-)` is colored and `[CoF_(6)]^(3-)` is colorless

D

`[FeF_(6)]^(3-)` is colorless and `[CoF_(6)]^(3-)` is colored

Text Solution

Verified by Experts

The correct Answer is:
D
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For [FeF_(6)]^(3-) and [CoF_(6)]^(3-) , the correct statement is

s-1: [MnCl_(6)]^(3),[FeF_(6)]^(3-) and [CoF_(6)]^(-3) are paramagnetic having four, five and four unpaired electrons respectively. S-2: Valence bond theory gives a quantitative interpreation of the thermodynamic stabilities of coordination compounds. S-3: The crystal field splitting Delta_(o) depends upon the field produced by the ligand and charge onn the metal ion.

What is true about [Mn Cl_(6) ]^(3-) , [FeF_(6)]^(3-) and [CoF_(6)]^(3-) ? each of these are outer orbital complexes . II. Each of these have SP^(3) d^(2) hybridisation . III . Each of these are paramagnetic . IV . [MnCl_(6) ]^(3-),[FeF_(6)]^(3-)and [CoF_(6)]^(3-) have four ,five and four unpaired electrons respectively . Choose the correct statements .

For the given set of complexes : (P) [Co(CN)_(6)]^(3-)" and "[Co(H_(2)O)_(6)]^(3+) (Q) [Co(H_(2)O)_(6)]^(3+)" and "[Rh(H_(2)O)_(6)]^(3+) (R ) [Co(H_(2)O)_(6)]^(3+)" and "[CoF_(6)]^(3-) (S) [Co(NH_(3))_(6)]^(3+)" and "[CoF_(6)]^(3-) Select the correct order for Delta_(0) :

Co^(3+) ion forms octahedral complex with ligands like F^(-) and NH_(3) as [CoF_(6)]^(3-) and [Co(NH_(3))_(6)]^(3+) . These two complexes differ in:

The reaction [Fe(CN)_(6)]^(3-) rarr [FeF_(6)]^(3-) takes place with

RESONANCE-COORDINATION COMPOUNDS-Additional Problem for Self Practice (APSP) Part-II
  1. Among the following complexes, the one which shows zero crystal field ...

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  2. When any solution passess through a cation exchange resin that is in a...

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  3. A person having osteoporosis is suffering from lead poisoning. Ethlene...

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  4. Consider the following reaction and statements: [Co(NH(3))(4)Br(2)]^...

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  5. The complex that shows optical acitivity is

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  6. For [FeF(6)]^(3-) and [CoF(6)]^(3-), the statement that is correct is ...

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  7. Which of the following statementss about ammonium cerium (IV) nitrate,...

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  8. Which one of the following reactions is correct ?

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  9. How many isomers are possible for complex [Co("ox")(2)Cl(2)]^(+) ?

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  10. In which of the following complexes the metal ion has the lowest ionic...

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  11. Which of the complexes has the magnetic moment of 3.87 BM ?

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  12. IUPAC name of complex ion [CrCl(2)(ox)(2)]^(3-) is

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  13. The type of isomerism that Co(NH(3))(4)Br(2)Cl(2) can exhibit is/are

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  14. Metal 'M' forms as carbonyl compound in which it is present in its low...

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  15. An appropriate reagent for the conversion of 1-propanol to 1-propanal ...

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  16. The complex ion that does not have d electrons in the metal atom is

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  17. The complex ion . [M(en)Br(2)I(2)]^(-1), has two optical isomers. Thei...

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  18. The IUPAC name of the complex [PT(en)(NH(3))(cl)(2)(ONO)][Ag(CN)(2)] i...

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  19. The C-O bond length is the shortest in:

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  20. The spin-only magnetic moment of [Fe(NH(3))(6)]^(3+) and [FeF(6)]^(3-)...

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