JEE Main 20257 AprilEvening Shift
- Exam
- JEE Main
- Year
- 2025
- Date
- 7 April
- Shift
- Evening Shift
- Subject
- Chemistry
- Chapter
- Structure of Atom
JEE Main 2025 · 7 April · Evening Shift · Chemistry · Structure of Atom
The extra stability of half-filled subshell is due to (A)...
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
Identify the correct statements
(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
Identify the correct statements
Options
- A(B), (D) and (E) only
- B and (E) only
- C(B), (C) and (D) only
- D(A), (B) and (D) only
Correct answer
B. and (E) only
Step-by-step solution
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
(i) Symmetrical distribution of electrons
(ii) Large exchange energy
(iii) Smaller coulombic repulsion
(iv) Smaller shielding of electrons by one another