MCQ
Which of the following does not have a coordinate bond
- A$S{O_2}$
- B$HN{O_3}$
- C${H_2}S{O_3}$
- ✓$HN{O_2}$
Structure is $H - O - N = O$.
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

$(ii)$ Number of cyclic structural isomers with molecular formula $C_5H_{10} = Y$
$(iii)$ Number of ether with $M.F. C_4H_{10}O = Z ;X + Y + Z$ is
