Classification Of Elements And Periodicity In Properties Ques 252
Question: The correct order of ionisation energy for comparing carbon, nitrogen and oxygen atoms is [UPSEAT 2004]
Options:
A) $ C>N>O $
B) $ C>N<O $
C) $ C\lt N>O $
D) $ C<N<O $
Show Answer
Answer:
Correct Answer: C
Solution:
Nitrogen has more ionisation potential than carbon & oxygen because, if outermost orbit is half filled so it is more stable & order is $ C\lt N>O $
