Classification Of Elements And Periodicity In Properties Ques 205
Question: Which one of the following elements has the highest ionisation energy [IIT-JEE 1990]
Options:
A) $ [Ne],3s^{2},3p^{1} $
B) $ [Ne],3s^{2},3p^{2} $
C) $ [Ne],3s^{2},3p^{3} $
D) $ [Ar],3d^{10},4s^{2},4p^{2} $
Show Answer
Answer:
Correct Answer: C
Solution:
Since $ {{e}^{-}} $ is to be removed from exactly half filled p-orbital.
