Question
Write two important uses of formalin.
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Ethanal, Propanal, Propanone, Butanone.
[Hint: Consider steric effect and electronic effect.]
$\text{C}_6\text{H}_5\text{NH}_2+\text{H}_2\text{SO}_4(\text{conc.})\rightarrow$