D-And F-Block Elements Ques 378
Question: Which of the following electronic configuration is that of a transitional element
[NCERT 1983; CPMT 1989, 97; MP PET/PMT 1997; AIIMS 2000; MP PMT 2002]
Options:
A) $ 1s^{2},2s^{2}p^{6},3s^{2}p^{6}d^{10},4s^{2}p^{6} $
B) $ 1s^{2},2s^{2}p^{6},3s^{2}p^{6}d^{10},4s^{2}p^{1} $
C) $ 1s^{2},2s^{2}p^{6},3s^{2}p^{6}d^{2},4s^{2} $
D) $ 1s^{2},2s^{2}p^{6},3s^{2}p^{6},4s^{2} $
Show Answer
Answer:
Correct Answer: C
Solution:
$ 1s^{2},,2s^{2}p^{6},,3s^{2}p^{6}d^{2},,4s^{2} $ .
