MCQ
Which of the following is paramagnetic
  • $O_2^ + $
  • B
    $C{N^ - }$
  • C
    $CO$
  • D
    ${N_2}$

Answer

Correct option: A.
$O_2^ + $
(a) $B.O. =$ $\frac{1}{2}[10 - 5] = \frac{5}{2} = 2.5$, paramagnetic

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