Haloarenes are less reactive than haloalkanes and haloalkenes. Explain.

Which of the following compounds $\left(\mathrm{a}\right)$ and $\left(\mathrm{b}\right)$ will not react with a mixture of $\mathrm{NaBr}$ and ${\mathrm{H}}_2{\mathrm{SO}}_4$. Explain why?
$\left(\mathrm{a}\right) {\mathrm{CH}}_3{\mathrm{CH}}_2{\mathrm{CH}}_2\mathrm{OH}$

Which of the products will be a major product in the reaction given below? Explain.
${\mathrm{CH}}_3\mathrm{CH}={\mathrm{CH}}_2+\mathrm{HI}\to \underset{\left(\mathrm{A}\right)}{{\mathrm{CH}}_3{\mathrm{CH}}_2{\mathrm{CH}}_2\mathrm{I}}+\underset{\left(\mathrm{B}\right)}{{\mathrm{CH}}_3{\mathrm{CHICH}}_3}$
 

Draw other resonance structures related to the following structure and find out whether the functional group present in the molecule is ortho, para directing or meta directing.

Classify the following compound as a primary, secondary, or tertiary halide, $1-$Bromobut$-2-$ene.

Classify the following compound as primary, secondary, or tertiary halide, $4$-Bromopent$-2-$ene.

Classify the following compound as primary, secondary, or tertiary halide, $2$-Bromo-$2$-methylpropane.