MCQ
Electronic configuration of ${H^ - }$ is
- A$1{s^0}$
- B$1{s^1}$
- ✓$1{s^2}$
- D$1{s^1}\,2{s^1}$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

$9\, mol$ $O_2$ and $14\, mol$ $N_2$ here allowed to react. When $3\, mol$ $O_2$ remains unreacted, till then how many moles of $N_2O_3$ would have been produced?

$N, O, F, C, S i$
Choose the correct answer from the options given below: