Chemistry - GENERAL CHEMISTRY Question with Solution | TestHub

ChemistryGENERAL CHEMISTRYElectronic ConfigurationMedium2 minQB

ChemistryMediummultiple choice

The given ground state electronic configuration

$1 s^{2}$

does not obey :-

Answer:

A, C

Solution:

Electrons in p-orbitals are not singly filled first → violates Hund’s rule.
Also improper spin pairing violates Pauli exclusion principle.

Stream:JEESubject:ChemistryTopic:GENERAL CHEMISTRYSubtopic:Electronic Configuration

⏱ 2mℹ️ Source: QB

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