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.

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

Consider the following reaction scheme and choose the correct option(s) for the major products Q, R and S.

How many products will be formed in above reaction.

For the given reaction how many products are optically active (all isomers):

Complete the following reaction:

When ethanol is treated with potassium bromide and concentrated ${\mathrm{H}}_2{\mathrm{SO}}_4$, _____ is produced.

The reaction is ;

${\text{R-CH}}_{\text{2}}\text{-OH + HCl }\stackrel{}{\to }{\text{R-CH}}_{\text{2}}{\text{-Cl+H}}_{\text{2}}\text{O}$

For the completion of the reaction, ______ is used.

Anti-Markovnikov's addition of $\mathrm{HBr}$ takes place in the presence of _____.

Iodination of ${\mathrm{CH}}_4$ to ${\mathrm{CH}}_3\mathrm{I}$ is carried out in the presence of ${\mathrm{HIO}}_3$ which ______.

Alkanes CANNOT be directly iodinated because _______.

Which reagent cannot be used to prepare an alkyl halide from alcohol?

Alkyl halides are prepared from alcohols by treating with

Which of the following alcohols will yield the corresponding alkyl chloride on reaction with concentrated $\mathrm{HCl}$ at room temperature?

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 ${\mathrm{CH}}_4$)

The reaction, $\mathrm{RCl}+\mathrm{NaI}\stackrel{\mathrm{Acetone}}{\to }\mathrm{R}–\mathrm{I}+\mathrm{NaCl}$, is known as