Aniline reacts with acetaldehyde to form

$CH_3COOH$ $\xrightarrow[\Delta ]{NH_3} X$ $\xrightarrow{NaOBr} Y$ $\xrightarrow{NaNO_2 + HCl} Z$. What is $Z$?

The reaction of aniline with benzaldehyde is:

In the reaction $RNH_2 + CHCl_3 + 3KOH(alc.) \rightarrow A + 3KCl + 3H_2O$,the product $A$ can be converted back to $RNH_2$ by which process?

Alkyl benzene sulphonates can be used as detergents in hard water,unlike soaps,as

Which of the following amines on heating with chloroform generates a foul-smelling product?