MCQ
Which of the following is diamagnetic
  • A
    Oxygen molecule
  • B
    Boron molecule
  • C
    $N_2^ + $
  • None

Answer

Correct option: D.
None
(d) Oxygen molecule $({O_2})$ boron molecule $({B_2})$ and $N_2^ + $ ion,

all of them have unpaired electron, hence they all are paramagnetic. 

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