EASYMCQ SINGLEJEE Mains ChemistryPhysical ChemistryAtomic StructureIntro
Pairing of electrons in orbitals belonging to the same subshell does not take place until each orbital is singly occupied. This is called
0.Hund's rule of maximum multiplicity
1.Pauli's exclusion principle
2.Aufbau principle
3.None of the above
Explanation
Hund's rule of maximum multiplicity: degenerate orbitals are filled singly before pairing begins. This maximises the total spin multiplicity.
Practice More Like This
Take chapter-wise tests, track your progress, and master Atomic Structure.
Start Free Practice →