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Out of the following electronic arrangem...

Out of the following electronic arrangements for outer electronic configurations

The most stable arrangement is

A

(i)

B

(ii)

C

(iii)

D

(iv)

Text Solution

Verified by Experts

The correct Answer is:
B
Exactly half-filled electronic configuration is more stable because of
(i) Greater symmetry
(ii) Greater exchange energy
(iii) Lesser coulombic repulsion energy than filled orbital.
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ERRORLESS-STRUCTURE OF ATOM-NCERT BASED QUESTIONS (Quantum Number, Electronic Configuration and Shape of Orbitals)
  1. The pair of ions having same electronic configuration is.

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  2. Correct energy value order is

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  3. Out of the following electronic arrangements for outer electronic conf...

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  4. Probability of finding an electrons at the nodal surface is

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  5. Maximum number of electrons in a sub-shell of an atom is determined by...

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  6. Which orbital give an electron the greatest probability of being found...

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  7. The valency of the element having atomic number 9 is

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  8. A completely filled d -orbital (d^(10)) is

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  9. Number of unpaired electrons in Mn^(4+) is

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  10. Number of nodal centres for 2s orbital

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  11. p-orbitals of an atom in presence of magnetic field are

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  12. The orbital with maximum energy is

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  13. The correct orders of increasing energy of atomic orbitals is

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  14. An ion has 18 electrons in the outermost shell it is

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  15. Filling of Electrons in Molecular Orbitals

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  16. Which of the following sets of orbitals may be degenerate

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  17. Which of the following orbital is not possible

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  18. Correct statement is

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  19. The number of orbitals present in the shell with n=4 is

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  20. The angular momentum of an electron is zero. In which orbital may it b...

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