MCQ
Which has maximum first ionization potential?
  • A
    $C$
  • $N$
  • C
    $B$
  • D
    $O$

Answer

Correct option: B.
$N$
b
$\mathop B\limits_{2{p^1}} \,\mathop C\limits_{2{p^2}} \,\mathop N\limits_{2{p^3}} \,\mathop O\limits_{2{p^4}} \, \Rightarrow \,B\, < \,C\, < \,O\, < \,N$

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