D-And F-Block Elements Ques 502
Question: Which is not the correct statement- (At. nos. Ce = 58, Lu = 71, La = 57, Yb= 70)
Options:
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.
Show Answer
Answer:
Correct Answer: A
Solution:
Option [a] is incorrect as $ Y{{b}^{3+}} $ is colorless.
