Classification Of Elements And Periodicity In Properties Question 253
Question: A sudden large jump between the values of second and third ionisation energies of an element would be associated with the electronic configuration [CBSE PMT 1992; AFMC 1998; CPMT 1999]
Options:
A) $ 1s^{2},2s^{2}p^{6},3s^{1} $
B) $ 1s^{2},2s^{2}p^{6},3s^{2}p^{1} $
C) $ 1s^{2},2s^{2}p^{6},3s^{2}p^{2} $
D) $ 1s^{2},2s^{2}p^{6},3s^{2} $
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Answer:
Correct Answer: D
Solution:
$ 1s^{2}2s^{2}p^{6}3s^{2} $ - In III transition $ {{e}^{-}} $ is to be removed from stable configuration.
BETA
