In the given reaction sequence,$Z$ is

In the reduction of nitrobenzene,which of the following is an intermediate?

Which of the following compounds is more basic in its aqueous solution?

Identify $X$ and $Y$ in the following reactions:

What is the major product formed when ethylamine reacts with carbon disulfide $(CS_2)$ in the presence of mercuric chloride $(HgCl_2)$?

The reaction of Benzenediazonium chloride with aniline yields a yellow dye. The name of the yellow dye is