MCQ
Reactant $(A)$ in this reaction is


- A

- B

- C

- ✓both $(b)$ and $(c)$





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$9\, mol$ $O_2$ 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?
$I.\,H_2S_2O_6\,\,\,\,\,\,\,\,II.\,H_2SO_3\,\,\,\,\,\,\,\,III.\,H_2SO_5$