MCQ
$C_7H_9N$ has how many isomeric forms that contain a benzene ring
- A$4$
- B$5$
- C$6$
- D$7$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Given :
Molar mass $N =14\,g\,mol ^{-1} ; O =16\,g\,mol ^{-1} ; C =12\,g\,mol ^{-1} ; H =1\,g\,mol ^{-1}$;
$I.$ $H_2O_2$ $II.$ $O_2$ $III.$ $O_3$