Preparations of Haloalkanes

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

Explain Finkelstein reaction. 

Alkyl halides are prepared from alcohols by treating with

Which of the following can be used to prepare $3-$bromopropene?

Alkyl halides are prepared from alcohols by treating with

$(\mathrm{HCl}+{\mathrm{ZnCl}}_2 \mathrm{or} {\mathrm{HSO}}_4+\mathrm{KI})$

(Note : Fill the blanks by writing the chemical formulas in straightforward manner without using subscript. For example, the chemical formula of methane should be filled in the blank as $\mathrm{CH}4$ and not as ${\mathrm{CH}}_4$)

In the preparation of ethyl iodide from ethane, this reaction is done in the presence of iodic acid which can reduce $\mathrm{HI}$ formed.

Write the products

Write the products 

   $+\mathrm{HBr}\stackrel{ }{\to }$

Write the products 

${\mathrm{C}}_6{\mathrm{H}}_5-\mathrm{CH}={\mathrm{CH}}_2+\mathrm{HBr}\stackrel{\mathrm{peroxide}}{\to }$

Convert $1$-Chlorobutane into the following compound:

$1$-Iodobutane

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

${\mathrm{CH}}_3-\mathrm{CH}={\mathrm{CH}}_2\stackrel{\mathrm{HBr}}{\to }\mathrm{A}\stackrel{\mathrm{alc}.\mathrm{KOH}}{\to }\mathrm{B}$

Write the preparation of isopropyl chloride using the following reagent.

${\mathrm{SOCl}}_2$

Write the preparation of isopropyl chloride using the following reagent:

$\mathrm{HCl}$

Write the preparation of isopropyl chloride using the following reagent.

${\mathrm{Cl}}_2$

Write the preparation of isopropyl chloride using the following reagent.

${\mathrm{PCl}}_5$

How is ethyl bromide prepared from ethene?

How is ethyl bromide prepared from ethane?

Alkyl fluorides are synthesised by heating an alkyl chloride/bromide in presence of _____ or _____.

Write the products 

Write a short note on Finkelstein reaction.