English
Karnataka Board PUCPUC Science 2nd PUC Class 12

What is crystal field splitting energy?

Advertisements
Advertisements

Question

What is crystal field splitting energy?

Very Short Answer
Advertisements

Solution

The energy difference between the two sets of degenerate orbitals (t2g and eg) after crystal field splitting is known as the crystal field splitting energy. It is denoted by Δo.

shaalaa.com
  Is there an error in this question or solution?
Chapter 5: Coordinate Compounds - Exercises [Page 139]

APPEARS IN

NCERT Chemistry Part 1 and 2 [English] Class 12
Chapter 5 Coordinate Compounds
Exercises | Q 5.18 (i) | Page 139
Samacheer Kalvi Chemistry - Volume 1 and 2 [English] Class 12 TN Board
Chapter 5 Coordination Chemistry
Evaluation | Q 18. | Page 172
Nootan Chemistry [English] Class 12 ISC
Chapter 5 Coordination Compounds
'NCERT TEXT-BOOK' Exercises | Q 9.18 (i) | Page 559

RELATED QUESTIONS

On the basis of crystal field theory, write the electronic configuration for d4 ion if ∆0 < P.


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


State the superiority of crystal field theory over valence bond theory.


Draw the structures of the following :
(1) XeF6
(2) IF7


Atomic number of \[\ce{Mn, Fe, Co}\] and Ni are 25, 26, 27 and 28 respectively. Which of the following outer orbital octahedral complexes have same number of unpaired electrons?

(i) \[\ce{[MnCl6]^{3-}}\]

(ii) \[\ce{[FeF6]^{3-}}\]

(iii) \[\ce{[CoF6]^{3-}}\]

(iv) \[\ce{[Ni(NH3)6]^{2+}}\]


On the basis of crystal field theory explain why Co(III) forms paramagnetic octahedral complex with weak field ligands whereas it forms diamagnetic octahedral complex with strong field ligands.


Why are low spin tetrahedral complexes not formed?


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

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


Match the complex ions given in Column I with the hybridisation and number of unpaired electrons given in Column II and assign the correct code:

Column I (Complex ion) Column II (Hybridisation, number of unpaired electrons)
A. \[\ce{[Cr(H2O)6]^{3+}}\] 1. dsp2, 1
B. \[\ce{[Co(CN)4]^{2-}}\] 2. sp3d2, 5
C. \[\ce{[Ni(NH3)6]^{2+}}\] 3. d2sp3, 3
D. \[\ce{[MnF6]^{4-}}\] 4. sp3, 4
  5. sp3d2, 2

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:

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


Why are different colours observed in octahedral and tetrahedral complexes for the same metal and same ligands?


In a coordination entity, the electronic configuration of the central metal ion is t2g3 eg1 

Draw the crystal field splitting diagram for the above complex.


The magnitude of CFSE depends upon ______


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


For octahedral Mn(II) and tetrahedral Ni(II) complexes, consider the following statements:

  1. Both the complexes can be high spin.
  2. Ni(II) complex can very rarely below spin.
  3. With strong field Ligands, Mn(II) complexes can be low spin.
  4. Aqueous solution of Mn (II) ions is yellow in colour.

The correct statements are:


The complex that has highest crystal field splitting energy (Δ) is ______.


On the basis of Crystal Field Theory, write the electronic configuration of d4 ion if Δ0 > P.


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:


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×