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Which is the highest energy for a manganese (ii) ion of d5 configuration: 4g, 4d, 4f, 6s, 4p
Accepted Answer
The highest energy level for a Mn(II) ion with a d5 configuration is 4F. Here's why:
Electronic Configuration: Mn(II) has the configuration [Ar]3d5. The 4F orbital is the highest energy orbital among the options provided.
Orbital Energy Levels: Generally, the energy order of orbitals follows:
n=4 (4s, 4p, 4d, 4f)
n=5 (5s, 5p, 5d, 5f)
n=6 (6s, 6p, 6d, 6f)
Hund's Rule: In the ground state of Mn(II), all five d electrons are in separate orbitals with parallel spins. This configuration minimizes electron-electron repulsion and contributes to the overall stability of the ion.
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