Primary amines react with nitrous acid to yield

Identify the tertiary amine from the following.

Identify the reagents $(X, Y, Z)$ used in the conversion of $3$-methylaniline to $3$-nitrotoluene.

Nitration of which among the following compounds yields cyclonite?

In the $Hofmann$ bromamide degradation reaction,the number of moles of $NaOH$ and $Br_2$ used per mole of amine produced are:

The action of nitrous acid with ethylamine produces: