A) Colour of \[Y{{b}^{3+}}\] ion is pink.
B) \[L{{a}^{3+}}\]is diamagnetic.
C) \[C{{e}^{4+}}\] has\[{{f}^{0}}\] configuration.
D) \[L{{u}^{3+}}\]had\[{{f}^{14}}\] configuration.
Correct Answer: A
Solution :
Option (a) is incorrect as \[\frac{1}{{{b}^{3+}}}\]is colorless.
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