Write all possible structures of the compound with the molecular formula ${\mathrm{C}}_5{\mathrm{H}}_{11}\mathrm{Br}$. Name these according to IUPAC nomenclature and classify them as primary, secondary or tertiary bromide.

Draw the structure of the major monohalo product in the following reaction.

${\mathrm{H}}_3\mathrm{C}-{\mathrm{CH}}_2-\mathrm{C}\equiv \mathrm{CH}+\mathrm{HCl}\to$

Draw the structure of the major monohalo product in each of the following reactions :

Draw the structure of the major monohalo product in the following reaction.

${\mathrm{CH}}_3-{\mathrm{CH}}_2-\mathrm{Br}+\mathrm{NaI}\underset{\mathrm{reflux}}{\overset{\mathrm{acetone}}{\to }}$

Draw the structure of the major monohalo product in the following reaction.

${\mathrm{CH}}_3-{\mathrm{CH}}_2-\mathrm{Br}+{\mathrm{HgF}}_2\stackrel{\mathrm{acetone}}{\to }$

Arrange the following in decreasing order of their boiling points:

i. ${\mathrm{C}}_2{\mathrm{H}}_5\mathrm{Br}$        ii. ${\mathrm{C}}_2{\mathrm{H}}_5\mathrm{Cl}$        iii. ${\mathrm{C}}_2{\mathrm{H}}_5\mathrm{I}$

Arrange the following in decreasing order of their boiling points:

i. n-butyl chloride      ii. Iso-butyl chloride     iii. tert-butyl chloride