Benzene diazonium chloride on reaction with aniline in the presence of dilute hydrochloric acid gives:

By reduction of nitrosobenzene,which of the following is not obtained?

Aromatic primary amine when treated with cold $HNO_2$ gives

The correct statement about the given chemical reaction is:

In the given reaction sequence,what is $Z$?
Aniline $\xrightarrow{CH_3COCl} X$ $\xrightarrow{Br_2/AlBr_3} Y$ $\xrightarrow{H_3O^+} Z$

Identify the compound from the following having the highest basic strength.