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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