Preparations of Haloalkanes

In the presence of peroxide, hydrogen chloride and hydrogen iodide do not give anti-Markovnikoff’s addition with alkenes, because of the fact that:

Consider the following reaction



Identify the structure of the major product X.

Benzyl chloride  $\left(C_6{H}_{5}C{H}_{2}Cl\right)$ can be prepared from toluene by chlorination with –

The reaction condition leading to the best yield of ${\text{C}}_2{\text{H}}_5\text{Cl}$ are

Explain preparation of Haloalkanes from Hydrocarbons by free radical halogenation: (From Alkane)

Choose the correct statement among the following about the reaction mentioned below:

$\mathrm{Ar}-{{\mathrm{N}}_2}^{\oplus }+{\mathrm{Y}}^{-}\to \mathrm{Ar}-\mathrm{Y}+{\mathrm{N}}_2$

For the reaction

${\mathrm{RCH}}_2\mathrm{Br}+{\mathrm{I}}^{-}\stackrel{\text{ Acetone }}{⟶}\underset{\text{ major }}{{\mathrm{RCH}}_2\mathrm{I}}+{\mathrm{Br}}^{-}$

The correct statement is

We are given with the reaction

$\mathrm{R}-{\mathrm{CH}}_2-\mathrm{Br}+\mathrm{NaI}\stackrel{\mathrm{Acetone}}{\to }\mathrm{RI}+\mathrm{NaBr}$

Write the mechanism for the following reaction:

${\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{OH}\stackrel{\mathrm{HBr}}{\to }$${\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{Br}+{\mathrm{H}}_2\mathrm{O}$

Write the products for the following reaction:

What is meant by rasching process in organic chemistry?

Give all possible products including stereoisomers.

From each of the following pairs select the compound that will react faster with sodium iodide in acetone:

2-chloropropane $\left[\mathrm{P}\right]$ or 2-bromopropane $\left[\mathrm{Q}\right]$

1-bromobutane $\left[\mathrm{R}\right]$ and 2-bromobutane $\left[\mathrm{S}\right]$

Identify $\mathrm{A}$ in the following :

$\mathrm{A}\stackrel{\mathrm{Cu}/\mathrm{HBr}}{\to }{\mathrm{C}}_6{\mathrm{H}}_5-\mathrm{Br}$

Identify A in the following reaction :

${\mathrm{C}}_2{\mathrm{H}}_4\underset{2. \mathrm{A}}{\overset{1. \mathrm{HBr}/\mathrm{Peroxide}}{\to }}{\mathrm{C}}_2{\mathrm{H}}_5\mathrm{I}$

Finkelstein reaction is used for the synthesis of

Which reaction produces alkyl halides?