MCQ
Which of the following is paramagnetic ?
- ✓$N_2$
- B$H_2$
- C$Li_2$
- D$O_2$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

$1.\,\,CH_3-C \equiv C -CH_3$
$2.\,\,CH_3 - CH_2 - CH_2 - CH_3$
$3. \,\,CH_3 - CH_2C \equiv CH$
$4.\,\,CH_3 - CH = CH_2$