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