PointHard
Question
Which of the following lanthanoid ions is diamagnetic?
(Atoms, Ce = 58, Sm = 62, Yb = 70)
(Atoms, Ce = 58, Sm = 62, Yb = 70)
Options
A.Yb2+
B.Ce2+
C.Sm2+
D.Eu2+
Solution
dimagnetic - no U.e- present
Yb+2 = 70= [Xe] 6so4f145do
U.e- = zero.
Yb+2 = 70= [Xe] 6so4f145do
U.e- = zero.
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