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JEE CHEMISTRY MCQ: CHEMICAL BONDING & MOLECULAR STRUCTURE

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Analyzing +4 | -1
The electronic configuration of 44 elements K,L,M  and  NK,L,M\,\,\mathrm{and}\,\,N are,
K=1s2,2s22p1     L=1s2,2s22p6M=1s2,2s22p4    N=1s2,2s22p3\begin{array}{l} K = 1{s^2},2{s^2}2{p^1}\,\,\,\,\,L = 1{s^2},2{s^2}2{p^6}\\ M = 1{s^2},2{s^2}2{p^4}\,\,\,\,N = 1{s^2},2{s^2}2{p^3} \end{array}
The element that would form a diatomic molecule with double bond is:
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Correct option: C
MM
Option M (MM) is correct because the electronic configuration 1s2,2s22p41{s^2},2{s^2}2{p^4} indicates that the element needs two more electrons to complete its octet, thus forming a double bond in a diatomic molecule.

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