D-And F-Block Elements Ques 411
Question: Identify the transition element
[MH CET 2003]
Options:
A) $ 1s^{2},\ 2s^{2}2p^{6},\ 3s^{2},\ 3p^{6},\ 4s^{2} $
B) $ 1s^{2},\ 2s^{2}2p^{6},\ 3s^{2},\ 3p^{6}3d^{2},\ 4s^{2} $
C) $ 1s^{2},\ 2s^{2}2p^{6},\ 3s^{2},\ 3p^{6}3d^{10},\ 4s^{2}4p^{2} $
D) $ 1s^{2},\ 2s^{2}2p^{6},\ 3s^{2},\ 3p^{6}3d^{10},\ 4s^{2}4p^{1} $
Show Answer
Answer:
Correct Answer: B
Solution:
We know that transition element are those element which have partially filled d-subshell in their elementary form.
Therefore, the general electronic configuration of d-block element is $ (n-1)\ {{d}^{1-10}}n{{s}^{1-2}} $ .
