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

Aniline reacts with acetaldehyde to form

Which of the following amines does not react with acetyl chloride?

Given below are two statements:
Statement-$I$: In Hofmann degradation reaction,the migration of only an alkyl group takes place from carbonyl carbon of the amide to the nitrogen atom.
Statement-$II$: The group is migrated in Hofmann degradation reaction to an electron-deficient nitrogen atom.
In the light of the above statements,choose the most appropriate answer from the options given below:

Identify the major products $X$,$Y$,and $Z$ in the following sequence of transformations:

What is the product formed when acetamide reacts with $NaOBr$ in an alkaline medium?