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Which effect arises when applying an external magnetic field on valence orbitals?

A)Zeeman splitting reduces orbital degeneracy
B)Increased metallic bond electron delocalization
C)Crystal field accelerates orbital hybridization
D)Resonance destabilization expands frontier orbitals

💡 Explanation

Zeeman splitting lifts the degeneracy of atomic orbitals because the interaction of the electron's magnetic moment with the external field introduces energy differences; therefore orbitals split, rather than hybridizing because crystal field deal with ionic lattices.

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