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The d-and f-Block Elements
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28/03/2022 9:32 pm
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Use Hund's rule to derive the electronic configuration of Ce3+ ion and calculate its magnetic moment on the basis of 'spin-only' formula.
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28/03/2022 9:46 pm
Ce: 1s22s22p63s23p63d104s24s24p64p64d105s25p64f15d16s2
Magnetic moment can be calculated as:
μ = \(\sqrt{n(n+2)}\)
Where,
n = number of unpaired electrons
The electronic configuration of
Ce3+: 1s22s22p63s23p63d104s24p64d105s25p64f1
In Ce3+, n = 1
∴ Ce3+ = 1(1 + 2).......