Preparations of Haloalkanes

IMPORTANT

Preparations of Haloalkanes: Overview

This topic covers concepts, such as, Preparations of Haloalkanes, Preparation of Haloalkanes From Alcohols, Birnbaum-Simonini Reaction & Balz-Schiemann Reaction etc.

Important Questions on Preparations of Haloalkanes

EASY
IMPORTANT

 The major product of the following reaction is: CH3CH2CH=CH2+HBr

EASY
IMPORTANT

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

EASY
IMPORTANT

Consider the following reaction

Question Image

Identify the structure of the major product X.

EASY
IMPORTANT

The reaction condition leading to the best yield of   C2H5Cl are –

MEDIUM
IMPORTANT

The reaction condition leading to the best yield of C 2 H 5 Cl are

HARD
IMPORTANT

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

Question Image

HARD
IMPORTANT

Question Image

How many products will be formed in above reaction.

MEDIUM
IMPORTANT

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

Question Image

EASY
IMPORTANT

Complete the following reaction:
Question Image

EASY
IMPORTANT

When ethanol is treated with potassium bromide and concentrated H2SO4, _____ is produced.

MEDIUM
IMPORTANT

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

EASY
IMPORTANT

Alkyl halides are prepared from alcohols by treating with

EASY
IMPORTANT

Which of the following alcohols will yield the corresponding alkyl chloride on reaction with concentrated HCl at room temperature?

MEDIUM
IMPORTANT

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

MEDIUM
IMPORTANT

Alkyl halides are prepared from alcohols by treating with

(HCl+ZnCl2 or HSO4+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 CH4 and not as CH4)

 

EASY
IMPORTANT

The reaction, RCl+NaIAcetoneRI+NaCl, is known as

MEDIUM
IMPORTANT

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

HARD
IMPORTANT

What happens in Finkelstein reactions?

MEDIUM
IMPORTANT

For the chemical reaction:
Question Image
The IUPAC name of the product is:

MEDIUM
IMPORTANT

Conversion of methyl chloride into methyl fluoride is known as