Which of the following compounds is obtained when a quaternary ammonium hydroxide is strongly heated?

Identify the compound that will react with Hinsberg's reagent to give a solid which dissolves in alkali.

In the $Hofmann$ bromamide degradation reaction,the number of moles of $NaOH$ and $Br_2$ used per mole of amine produced are:

Given below are two statements:
Statement $I$: Aniline does not undergo Friedel-Crafts alkylation reaction.
Statement $II$: Aniline cannot be prepared through Gabriel synthesis.
In the light of the above statements,choose the correct answer from the options given below:

In amines,the hybridisation state of $N$ is

Consider the reaction sequence from $P$ to $Q$ shown below. The overall yield of the major product $Q$ from $P$ is $75 \%$. What is the amount in grams of $Q$ obtained from $9.3 \ mL$ of $P$? (Use density of $P = 1.00 \ g \ mL^{-1}$,Molar mass of $C = 12.0, H = 1.0, O = 16.0$ and $N = 14.0 \ g \ mol^{-1}$)