Teaching Haryana (HPSC) Assistant Professor Mock Test 2025 Chemical Sciences Transition Elements and Inner Transition Elements
The experimental magnetic moment (3.4 BM) of a hydrated salt of Eu3+ at 27° C is significantly different from the calculated value. The difference is due to
(Given: atomic number of Eu is 63)
1
Population of electrons at higher J level(s) via thermal excitation.
2
strong ligand field splitting of f-orbitals.
3
strong spin-orbit coupling.
4
pairing of electrons in f-orbitals
5
Question Not Attempted