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

Which of the following cannot be prepared by Sandmeyer's reaction?

Write the chemical reaction between potassium iodide and diazonium chloride.

Explain Gattermann reaction with an example of preparation chlorobenzene.

Write the reaction for preparation of iodo benzene through Gattermann reaction.

Explain Gattermann reaction with an example.

Chlorobenzene is formed by reaction of chlorine with benzene in the presence of ${\mathrm{AlCl}}_3$. Which of the following species attacks the benzene ring in this reaction?

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?

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 ${\mathrm{CH}}_4$)

Chlorobenzene is formed by reaction of chlorine with benzene in the presence of ${\mathrm{AlCl}}_3$. What is the charge on the attacking species?( Mention the sign in words)

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

The reaction of toluene with chlorine in the presence of iron and in the absence of light yields _____.

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