In the reaction $CH_3NH_2 + X + KOH \rightarrow CH_3NC + 3KCl + 3H_2O$,what is $X$?

Which statements are True? $A$. In Hoffmann bromamide degradation, $4$ moles of $NaOH$ and $1$ mole of $Br_{2}$ are consumed per mole of an amide. $B$. Hoffmann bromamide reaction is not given by alkyl amides. $C$. Primary amines can be synthesized by Hoffmann bromamide degradation. $D$. Secondary amide on reaction with $Br_{2}$ and $NaOH$ will give secondary amine. $E$. The by-products of Hoffmann degradation are $Na_{2}CO_{3}$, $NaBr$ and $H_{2}O$. Choose the correct answer from the options given below:

Arrange the following compounds in decreasing order of their basicity:

The decreasing order of basicity of the following amines is:
$(I)$ Aniline
$(II)$ Pyridine
$(III)$ Cyclohexylamine
$(IV)$ Pyrrole

Which among the following compounds is a primary amine?

$Methyl$ amine on reaction with chlorine in the presence of $NaOH$ gives: