MCQ
The outer most electronic configuration of the most electronegative element is:
  • A
    $\ce{ns^2 np^3}$
  • B
    $\ce{ns^2 np^4}$
  • $\ce{ns^2 np^5}$
  • D
    $\ce{ns^2 np^6}$

Answer

Correct option: C.
$\ce{ns^2 np^5}$
Halogens are most electronegative.
Therefore outer electronic configuration is $\ce{ns^2 np^5}.$

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