The reaction is shown below. What is $X$ (major)?
$C_6H_5-CONH-C_6H_5 \xrightarrow{Br_2/Fe} X \text{ (major)}$

Identify the correct statements:
$(A)$ Primary amines do not give diazonium salts when treated with $NaNO_2$ in acidic conditions.
$(B)$ Aliphatic and aromatic primary amines on heating with $CHCl_3$ and ethanolic $KOH$ form carbylamines.
$(C)$ Secondary and tertiary amines also give the carbylamine test.
$(D)$ Benzenesulfonyl chloride is known as Hinsberg's reagent.
$(E)$ Tertiary amines react with benzenesulfonyl chloride very easily.
Choose the correct answer from the options given below:

Which of the following give Hofmann's degradation reaction?

Identify the reagent $R$ in the following reaction:
$C_6H_5NO_2 \xrightarrow{R} C_6H_5NHOH$

Which one of the following will give a primary amine on hydrolysis?

Which statement is not correct?