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

The increasing basicity order of the following compounds is:
$(1)$ $CH_3CH_2NH_2$
$(2)$ $(CH_3CH_2)_2NH$
$(3)$ $(CH_3)_3N$
$(4)$ $PhNHCH_3$

In the following reactions,$P$,$Q$,$R$,and $S$ are the major products.
(image)
The correct statement about $P$,$Q$,$R$,and $S$ is

Predict the major product of the following reaction sequence:
$CH_3-C(H)(C_6H_4-D)-COCl$ $\xrightarrow{NH_3} \text{Intermediate}$ $\xrightarrow{OH^-/Br_2} \text{Product}$

The amine which does not react with chloroform and ethanolic potassium hydroxide is

Which of the following statements is incorrect?