Q.
Under normal condition which of the following electronic configuration is able to form dipositive ion
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a
Ar4s1
b
Ne2s23p6
c
Ne3s2
d
None of these
answer is C.
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Detailed 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 dipositive ions.
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