Intext Question

Write structures of different dihalogen derivatives of propane.

Arrange the set of compounds in order of increasing boiling points.
Bromomethane, Bromoform, Chloromethane, Dibromomethane.

Which alkyl halide from the following pair would you expect to react more rapidly by an ${\mathrm{S}}_{\mathrm{N}}2$ mechanism? Explain your answer.

Which alkyl halide from the following pair would you expect to react more rapidly by an ${\mathrm{S}}_{\mathrm{N}}2$ mechanism? Explain your answer.

In the following pair of halogen compounds, which compound undergoes faster ${\mathrm{S}}_{\mathrm{N}}1$ reaction?
(i) and (ii)

Identify $\mathrm{A}, \mathrm{B}, \mathrm{C}, \mathrm{D}, \mathrm{E}, \mathrm{R}$ and ${\mathrm{R}}^1$ in the following:

Which alkyl halide from the following pair would you expect to react more rapidly by an ${\mathrm{S}}_{\mathrm{N}}2$ mechanism? Explain your answer.

In the following pair of halogen compounds, which compound undergoes faster ${\mathrm{S}}_{\mathrm{N}}1$ reaction?
(i) and (ii)