Chemical Properties of Aromatic Hydrocarbons

Benzyl chloride  $\left(C_6{H}_{5}C{H}_{2}Cl\right)$ can be prepared from toluene by chlorination with –

The structure of the major organic product expected form the following reaction are

 

For the reaction:

Identify the reagent used to convert benzene into hexachlorobenzene in the presence of anhydrous ${\mathrm{AlCl}}_3$.

Identify the product of the reaction, ${\mathrm{C}}_6{\mathrm{H}}_6+6{\mathrm{Cl}}_2\underset{\mathrm{dark}, \mathrm{cold}}{\overset{\mathrm{anhydrous} {\mathrm{AlCl}}_3 }{\to }}?+6\mathrm{HCl}$.

Which of the following effect is not observed in deprotonation of arenium ion?

Which of the following is not an electrophilic substitution reaction?

$\mathrm{A}+\mathrm{HBr}\to {\mathrm{C}}_5{\mathrm{H}}_{11}\mathrm{Br}$. 

$\mathrm{A}$ is most likely to be an _____.

Aromatic electrophilic substitution reaction that is reversible is

Identify the non-carcinogenic hydrocarbon from the following:

The major products $\mathrm{X}$ and $\mathrm{Y}$ in the following sequence of transformations

 are

The compound shown below

can be readily prepared by Friedel-Craft's reaction between

What are $\mathrm{P}$ and $\mathrm{Q}$ in the following reaction sequence?

${\mathrm{CH}}_3\mathrm{CH}={\mathrm{CH}}_2\underset{{\left({\mathrm{C}}_6{\mathrm{H}}_5\mathrm{CO}\right)}_2{\mathrm{O}}_2}{\overset{\mathrm{HBr}}{\to }}\mathrm{P}\stackrel{{\mathrm{C}}_6{\mathrm{H}}_6/\mathrm{anhyd}.{\mathrm{AlCl}}_3}{\to }\underset{\mathrm{major}}{\mathrm{O}}$

Which of the following represents the structure of the principal product in the given reaction?

${\mathrm{C}}_6{\mathrm{H}}_6$ $\frac{{\mathrm{HNO}}_3}{{\mathrm{H}}_2{\mathrm{SO}}_4}\to \mathrm{X}\frac{{\mathrm{Cl}}_2}{{\mathrm{FeCl}}_3}⟶\mathrm{Y}$

In the above sequence, $\mathrm{Y}$ can be :

What is the final product $\left(\mathrm{B}\right)$ ?

Identify the unknown compounds :

Which compound is most reactive for electrophilic substitution reactions ?

Nitrobenzene can be prepared from benzene by using a mixture of $\mathrm{conc}.{\mathrm{HNO}}_3$ and  $\mathrm{conc}.{\mathrm{H}}_2{\mathrm{SO}}_4.$ In the mixture, nitric acid acts as $\mathrm{a}/\mathrm{an}:$

Arrange the following set of compounds in order of their decreasing relative reactivity with an electrophile, ${\mathrm{E}}^{\oplus }$

   $\underset{\left(\mathrm{I}\right)}{\mathrm{Toluene}} , \mathrm{p}-{\mathrm{H}}_3\mathrm{C}-\underset{\left(\mathrm{II}\right)}{{\mathrm{C}}_6{\mathrm{H}}_4}-{\mathrm{NO}}_2, \mathrm{m}-{\mathrm{H}}_3\mathrm{CO}-\underset{\left(\mathrm{III}\right)}{{\mathrm{C}}_6{\mathrm{H}}_4}-{\mathrm{CH}}_3$