Hydrolysis of alkyl isocyanide yields:

Which of the following compounds is not soluble in $NaOH$?

Primary nitroalkanes on boiling with hydrochloric acid undergo hydrolysis to form

$A$ nauseating smell in the carbylamine test for primary amines is due to the formation of

Arrange the following in the order of their basic strength:

Which of the following amines, when heated with ethanolic $KOH$ and chloroform $(CHCl_3)$, does $NOT$ produce a foul smell?