Chemistry - Halogen Derivative Question with Solution | TestHub

(i) $\underset{n\text{-Butyl chloride }}{{\mathrm{CH}}_3{\mathrm{CH}}_2{\mathrm{CH}}_2{\mathrm{CH}}_2\mathrm{Cl}}+\mathrm{KOH}($ alc. $)\underset{\text{ (Dehydrohalogenation) }}{\overset{{\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{CH}}{\to }}\underset{\text{ But-1-ene }}{=}{\mathrm{CH}}_2+\mathrm{KCl}+{\mathrm{H}}_2\mathrm{O}$

(ii)

(iii)

(iv) $\underset{\text{ Ethyl chloride }}{{\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{Cl}}+\mathrm{KOH}($ aq $)\underset{\Delta }{\overset{\text{ Hydrolysis }}{\to }}\underset{\text{ Ethyl alcohol }}{{\mathrm{CH}}_3{\mathrm{CH}}_2-\mathrm{OH}}+\mathrm{KCl}+{\mathrm{H}}_2\mathrm{O}$

(v) $\underset{\text{ Methyl bromide }}{{\mathrm{CH}}_3\mathrm{Br}}+2\mathrm{Na}+{\mathrm{BrCH}}_3\underset{\text{ (Wurtz reaction) }}{\overset{\text{ Dry ether }}{\to }}\underset{\text{ Ethane }}{{\mathrm{CH}}_3{\mathrm{CH}}_3}+2\mathrm{NaBr}$

(vi) $\underset{\text{ Methyl chloride }}{{\mathrm{CH}}_3\mathrm{Cl}}+\mathrm{KCN}\underset{\text{ (Nucleophilic substitution) }}{\overset{\mathrm{EtOH}-{\mathrm{H}}_2\mathrm{O},\Delta }{\to }}\underset{\begin{array}{c}\text{ Methyl cyanide }\text{ (Major product) }\end{array}}{{\mathrm{CH}}_3\mathrm{C}\equiv \mathrm{N}}+\mathrm{KCl}$