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

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

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The correct Answer is:
D
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The following complexs are given? trans- [Co(NH_(3))_(4)1_(2)]^(o+) cis-[Co(NH_(3))_(2)(en)_(2)]^(3+) trans- [Co(NH_(3))_(2)(en)_(2)]^(3+) [NiI_(4)]^(2-) [TiF_(6)]^(2-) [CoF_(6)]^(3-) Choose the correct code .

The following complexs are given? trans- [Co(NH_(3))_(4)1_(2)]^(o+) cis-[Co(NH_(3))_(2)(en)_(2)]^(3+) trans- [Co(NH_(3))_(2)(en)_(2)]^(3+) [Ni1_(4)]^(2-) [Tif_(6)]^(2-) [CoF_(6)]^(3-) Choose the correct code .

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 on the metal ion. Amongst the following correct statements are :

Out of [CoF_(6)]^(3-) and [Co(en)_(3)]^(3+) , which one complex is : (i) Paramagnetic (ii) more stable (iii) inner orbital complex and (iv) high spin complex (Atomic no. of Co =27)

On the basic of CET explaine the following complex of Co^(3+) like [Co(NH_(3))_(6)]^(3+),[Co(en)_(3)]^(3+) and [Co(NO_(2))_(6)]^(3-) are diamagntic while [CoF_(6)]^(3-) and [Co(H_(2)O)_(6)]^(3+) are paramagnetic .

The spin-only magnetic moment of [Fe(NH_(3))_(6)]^(3+) and [FeF_(6)]^(3-) (in units of BM ) respectively are

Consider the follwing complexes ion P,Q and R P =[FeF_(6)]^(3-), Q=[V(H_(2)O)_(6)]^(2+) and R=[Fe(H_(2)O)_(6)]^(2+) The correct order of the complex ions, according to their spin only magnetic moment values (inBM) is .

Geometry, hybridisation and magnetic moment of the ions [Ni(CN)_(4)]^(2-),[MnBr_(4)]^(2-) and [FeF_(6)]^(3-) respectively are .

Explain the following: (i) [CoF_(6)]^(3-) is paramgnetic but [Co(CN)_(6)]^(3-) is diamagnetic .

[Co(NH_(3))_(6)]^(3+) & [CoF_(6)]^(3-) both are complexes of Co(III), but [Co(NH_(3))_(6)]^(3+) is diamagnetic while [Co(F_(6)]^(3-) is paramagnetic with mu=4.90 BM . Explain.

RESONANCE ENGLISH-COORDINATION COMPOUNDS-Additional Problem for Self Practice (APSP) Part-II
  1. Lattice energy of an ionic compound depends on

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  2. IUPAC name of |Co(ONO)(NH(3))(5)Cl(2)| is

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  3. Among the following complexes, the one which shows zero crystal field ...

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

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

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  6. The complex that can show optical activity is :

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

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  8. Which of the following will produce red color when treated with (NH(4...

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  9. Which of the following reactions is not correct ?

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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 following ion has magnetic moment is 3.87 BM :-

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  12. IUPAC name of complex ion [CrCl2("ox")2]^(3-) is

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  13. [Co(NH(3))(4)(NO(2))(2)]Cl exhibits

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  14. Metal 'M' forms a carbonyl compound in which it is present in its lowe...

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  15. The most suitable reagent for the conversion of Propanol to Propanal ...

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  16. The complex which has no d-electron in the central 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 [P t (Br) (Cl) (NH(3)) (3) (NO(2))]Cl 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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