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If Delta0 gt P the correct electronic co...

If `Delta_0 gt P` the correct electronic confuguration for `d^4` system will be

A

`t_(2g)^(4)e_g^0`

B

`t_(2g)^(3)e_g^1`

C

`t_(2g)^(0)e_g^4`

D

`t_(2g)^(2)e_g^2`

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A
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If Delta_0 lt P , the correct electronic configuration for d^4 system will be

In octahedral complexes having co-ordination number 6, the degeneracy of the d-orbitals of central atom is removed due to ligand electron metal electron repulsions. In the octahedral complex three orbitals have lower energy, t_(2g) set and two orbitals have higher energy, eg set. This phenomenon is formed as crystal field splitting and the energy seperation is denoted by Delta_(0) . Thus the energy of the two eg orbitals will increase by (3//5)Delta_(0) and that of the three t_(2g) will decrease by (2//5)Delta_(0) . The erystal field splitling, Delta_(0) depends upon the field produced by the ligand and charge on the metal ion. Some ligands are able to produce strong field and in these cases, the splitting will be large whereas other produce weak fields and consequently result in small splitting of d-orbitals. If Delta_(0)ltP , the correct electronic configuration of d^(4) system will be

Given the outer electronic configuration of s,p,d and f-block elements.

In an atom the number of electrons in N - Shell is equal to the number of electrons in K, L and M shells. Answer the question. Write the electronic configuration of the elements. Explanation : K = 1 s^(2) (2) electrons L = 2s^(2) 2p^(6) (8) electrons M = 3s^(2) 3p^(6) 3d^(10) (18) electrons Total (28) electrons N = 4s^(2) 4p^(6) 4d^(10) 4f^(10) (28) electrons To fill 4f^(10) , 1s^(2) , 2s^(2) 2p^(2) 2p^(6) 3s^(2) 3p^(6) 4s^(2) 3d^(10) 4p^(6) 5s^(2) 4d^(10) 5p^(6) 6s^(2) should be filled Hence , the electronic configuration is 1s^(2) 2s^(2) 2p^(6) 3s^(2) 3p^(6) 4s^(2) 3^(10) 4p^(6) 5s^(2) 4d^(10) 5p^(6) 6s^(2) 4f^(10) .

The correct set of quantum numbers for a 4d electrons is

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Which is the first element to have 4d-electron in its electronic configurations

AAKASH SERIES-REVISION EXERCISE -COMPLEX COMPOUNDS
  1. The oxidation state of the metal forming the complex K2[PtCl6] is

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  2. The liquid hydrazinium is denoted as

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  3. Which of the following are true for the complex Ni(CN)4^(2-) ion (A...

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  4. Which of the following is homoleptic complex

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  5. The IUPAC name of [Co(NH3)4Br2]^+ [ZnCl4]^(-) is

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  6. Type of isomerism Pair of examples {:("A) Ionisation","a) "[Pt(NH3...

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  7. Which of the following represents largest number of possible isomers?

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  8. Which of the following pairs represents linkage isomers ?

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  9. Organometallic compound used in the purifi-cation of its metals is

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  10. Ziegler - Natta catalyst is

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  11. In nitroprusside ion, the iron and NO exist as Fe^(II) and NO^+ rather...

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  12. Tetrahedral complexes are high spin complexes, because

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  13. If Delta0 gt P the correct electronic confuguration for d^4 system wil...

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  14. Violet coloured complex among the following is

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  15. Ag^(+) + NH3 hArr [Ag(NH3)]^(+) , K1=3.5xx10^(-3) , [Ag(NH3)]^(+) +...

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  16. Coordination isomerism is exhibited by

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  17. Trans-diglycinatoplatinum (II) has a shape

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  18. [Co(en)2(NH3)2]Cl3 can exhibit (A) ionisation isomerism (B) geome...

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  19. The hybridisation of metal ion in square planar complexes in

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  20. Moles of AgCl obtained with one mole of aqueous CrCl3.SNH3 is

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