STANDARDChemistry-Atomic Structure
STANDARD Chemistry Electron Configuration MCQ Question
Type: MCQ-conceptual-Medium-Class 11
The statements (i) In filling a group of orbitals of equal energy, it is energetically preferable to assign electrons to empty orbitals rather than pair them into a particular orbital. (ii) When two electrons are placed in two different orbitals, energy is lower if the spins are parallel. are valid for
A
Aufbau principle
B
Hund's rule
C
Pauli’s exclusion principle
D
Uncertainty principle
Correct Answer
Option B
Detailed Explanation
Follow Hund's multiplicity rules.
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