Embibe Experts Solutions for Chapter: Haloalkanes and Haloarenes, Exercise 3: EXERCISE-II (Previous Year Questions)

Isobutyl magnesium bromide with dry ether and absolute alcohol gives

Identify $\text{'}\mathrm{Z}\text{'}$ in the following reaction series,

${\mathrm{CH}}_3{\mathrm{CH}}_2{\mathrm{CH}}_2\mathrm{Br}\stackrel{\mathrm{aq}.\mathrm{NaOH}}{\to },\left(\mathrm{X}\right)\underset{\mathrm{Heat}}{\overset{{\mathrm{Al}}_2{\mathrm{O}}_3}{\to }}\left(\mathrm{Y}\right)\stackrel{{\mathrm{Cl}}_2/{\mathrm{H}}_2\mathrm{O}}{⟶}\left(\mathrm{Z}\right)$
 

Arrange the following compound in increasing order of reactivity towards aromatic nucleophilic substitution reaction.

Chloroform when treated with benzene in presence of anhydrous ${\mathrm{AlCl}}_3,$ the product formed is

${\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{Cl}\stackrel{\mathrm{NaCN}}{⟶}\mathrm{X}\stackrel{\mathrm{Ni}/{\mathrm{H}}_2}{⟶}\mathrm{Y}\underset{ \mathrm{anhydride} }{\overset{ \mathrm{Acetic}}{\to }}\mathrm{Z}$, $\mathrm{Z}$ in the above reaction sequence is:

Major product of the reaction :-   ${\left({\mathrm{CH}}_3\right)}_3\mathrm{C}-\mathrm{Cl}+{\mathrm{C}}_2{\mathrm{H}}_5\mathrm{ONa}⟶$ would be :-

$\mathrm{Assertion} :-$ Chlorobenzene and benzyl chloride can be distinguished by treatment with ${\mathrm{AgNO}}_3$.

$\mathrm{Reason} :$ Chlorobenzene does not gives white ppt with ${\mathrm{AgNO}}_3$ due to resonance.

$\mathrm{Assertion} :-$ Benzyl phenylether forms phenol and benzyl iodide with $\mathrm{HI}$

$\mathrm{Reason} :-$ Because benzyl carbocations is more stable than phenyl.carbocation.