Write the structure of the following organic halogen compound:

$4$-tert-Butyl-$3$-iodoheptane

Which compound in the following pair will react faster in ${\mathrm{S}}_{\mathrm{N}}2$ reaction with ${\mathrm{OH}}^{-}$?

$({\mathrm{CH}}_3{)}_3\mathrm{CCl} \mathrm{or} {\mathrm{CH}}_3\mathrm{Cl}$

Predict the alkene formed in the following reaction and identify the major alkene.

Predict the alkene formed in the following reaction and identify the major alkene.

How will you carry out the following conversion:

Ethane to Bromoethene

How the following conversion can be carried out?

Toluene to benzyl alcohol