Classification Of Elements And Periodicity In Properties Question 48
Question: The order of the magnitude of first ionisation potentials of Be, B, N and O is [MP PMT 1996]
Options:
A) $ N>O>Be>B $
B) $ N>Be>O>B $
C) $ Be>B>N>O $
D) $ B>Be>O>N $
Show Answer
Answer:
Correct Answer: A
Solution:
$ N>O>Be>B $ Ist ionisation energy of $ (n) $ because of half filled $ p $ -orbital.
BETA
