MCQ
Which one of the following elements has the highest ionisation energy
  • A
    $[Ne]\,3{s^2}\,3{p^1}$
  • B
    $[Ne]\,3{s^2}\,3{p^2}$
  • $[Ne]\,3{s^2}\,3{p^3}$
  • D
    $[Ar]\,3{d^{10}}\,4{s^2}\,4{p^2}$

Answer

Correct option: C.
$[Ne]\,3{s^2}\,3{p^3}$
c
(c) Since ${e^ - }$ is to be removed from exactly half filled $p$-orbital.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free