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कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

Give the electronic configuration of the following complexes on the basis of Crystal Field Splitting theory. [CoFX6]X3−,[Fe(CN)X6]X4− and [Cu(NHX3)X6]X2+.

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प्रश्न

Give the electronic configuration of the following complexes on the basis of Crystal Field Splitting theory.

\[\ce{[CoF6]^{3-}, [Fe(CN)6]^{4-} and [Cu(NH3)6]^{2+}}\].

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उत्तर

\[\ce{[CoF6]^{3-} : Co^{3+} (d^6)}\]

\[\ce{[Fe(CN)6]^{4-} : Fe^{2+} (d)^6}\]

\[\ce{[Cu(NH3)6]^{2+} : Cu^{2+} (d^9)}\]

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पाठ 9: Coordination Compounds - Exercises [पृष्ठ १२४]

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एनसीईआरटी एक्झांप्लर Chemistry Exemplar [English] Class 12
पाठ 9 Coordination Compounds
Exercises | Q III. 30. | पृष्ठ १२४

संबंधित प्रश्‍न

On the basis of crystal field theory, write the electronic configuration for d4 ion if Δ0 > P.


Draw figure to show the splitting of d orbitals in an octahedral crystal field.


The colour of the coordination compounds depends on the crystal field splitting. What will be the correct order of absorption of wavelength of light in the visible region, for the complexes, \[\ce{[Co(NH3)6]^{3+}}\], \[\ce{[Co(CN)6]^{3-}}\], \[\ce{[Co(H2O)6]^{3+}}\]


An aqueous pink solution of cobalt (II) chloride changes to deep blue on addition of excess of HCl. This is because:

(i) \[\ce{[Co(H2O)6]^{2+}}\] is transformed into \[\ce{[CoCl6]}^{4-}\]

(ii) \[\ce{[Co(H2O)6]^{2+}}\] is transformed into \[\ce{[CoCl4]}^{2-}\]

(iii) tetrahedral complexes have smaller crystal field splitting than octahedral complexes.

(iv) tetrahedral complexes have larger crystal field splitting than octahedral complex.


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Using crystal field theory, draw energy level diagram, write electronic configuration of the central metal atom/ion and determine the magnetic moment value in the following:

\[\ce{[FeF6]^{3-}, [Fe(H2O)6]^{2+}, [Fe(CN)6]^{4-}}\]


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Draw the crystal field splitting diagram for the above complex.


The correct order of increasing crystal field strength in following series:


The magnitude of CFSE depends upon ______


What is the spectrochemical series?


What is the difference between a weak field ligand and a strong field ligand?


What is crystal field splitting energy?


The correct order of intensity of colors of the compounds is ______.


On the basis of crystal field theory, write the electronic configuration for the d5 ion with a weak ligand for which Δ0 < P.


On the basis of crystal field theory, write the electronic configuration for d4 with a strong field ligand for which Δ0 > P.


The value of the spin only magnetic moment for one of the following configurations is 2.84 BM. The correct one is:


The correct order of the wavelength of light absorbed by the following complexes is:

  1. [Co(NH3)6]3+
  2. [Co(CN)6]3−
  3. [Cu(H2O)4]2+
  4. [Ti(H2O)6]3+

Choose the correct answer from the options given below:


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