The extra stability half-filled subshell

JEE MAIN 2025

07.04.25 S2

Question

The extra stability of half-filled subshell is due to :
(A) Symmetrical distribution of electrons
(B) Smaller coulombic repulsion energy
(C) The presence of electrons with the same spin in non-degenerate orbitals
(D) Larger exchange energy
(E) Relatively smaller shielding of electrons by one another Indentify the correct statements :

Select the correct option:

(B), (D) and (E) only

(A), (B), (D) and (E) only

(B), (C) and (D) only

(A), (B) and (D) only

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

Sol. Extra stability of half filled is due to :
(i) Symmetrical distribution of electrons
(ii) Large exchange energy
(iii) Smaller coulombic repulsion
(iv) Smaller shielding of electrons by one another

Question Tags

JEE Main

Chemistry

Medium

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