Classification Of Elements And Periodicity In Properties Ques 251
Question: The first ionisation potential is maximum for [CPMT 2004]
Options:
A) B
B) N
C) O
D) Be
Show Answer
Answer:
Correct Answer: B
Solution:
Ionisation potential generally increases when we more in a period from left to right but $ IE_1 $ of $ N_2 $ is greater than that of $ O_2 $ . It is due to the more stable (half-filled orbitals) configurations of N.
