Classification Of Elements And Periodicity In Properties Ques 174

Question: Under normal condition which of the following electronic configuration is able to form dipositive ion [RPET 2000]

Options:

A) $ [Ar],4s^{1} $

B) $ [Ne],2s^{2}3p^{6} $

C) $ [Ne],3s^{2} $

D) None of these

Show Answer

Answer:

Correct Answer: B

Solution:

Mg has only two electrons in the 3s-orbital and hence its I.E. is lowest, i.e. it has the maximum tendency to form di-positive ions.



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