EASY
Earn 100

Identify the metal used in Ullmann reaction.

50% studentsanswered this correctly

Important Questions on Haloalkanes and Haloarenes

EASY
Chemistry>Organic Chemistry>Haloalkanes and Haloarenes>Chemical Properties of Haloarenes
How will you convert the following: Chlorobenzene to biphenyl.
HARD
Chemistry>Organic Chemistry>Haloalkanes and Haloarenes>Chemical Properties of Haloarenes
Question Image
MEDIUM
Chemistry>Organic Chemistry>Haloalkanes and Haloarenes>Chemical Properties of Haloarenes

How the following conversions can be carried out?

Benzene to diphenyl

HARD
Chemistry>Organic Chemistry>Haloalkanes and Haloarenes>Chemical Properties of Haloarenes
Why are aryl halides less reactive towards nucleophilic substitution reactions than alkyl halides? How can we enhance the reactivity of aryl halides?
HARD
Chemistry>Organic Chemistry>Haloalkanes and Haloarenes>Chemical Properties of Haloarenes

How the following conversions can be carried out?

Benzene to 4-bromonitrobenzene

EASY
Chemistry>Organic Chemistry>Haloalkanes and Haloarenes>Chemical Properties of Haloarenes

Draw other resonance structures related to the following structure and find out whether the functional group present in the molecule is ortho, para directing or meta directing.

Question Image

MEDIUM
Chemistry>Organic Chemistry>Haloalkanes and Haloarenes>Chemical Properties of Haloarenes

How will you bring about the following conversion?

Benzene to biphenyl

MEDIUM
Chemistry>Organic Chemistry>Haloalkanes and Haloarenes>Chemical Properties of Haloarenes
The major product/(s) of monobromination of this compound is :

Question Image
HARD
Chemistry>Organic Chemistry>Haloalkanes and Haloarenes>Chemical Properties of Haloarenes
Aryl halides are less reactive towards nucleophilic substitution reaction as compared to alkyl halide due to 
MEDIUM
Chemistry>Organic Chemistry>Haloalkanes and Haloarenes>Chemical Properties of Haloarenes
Haloarenes are less reactive than haloalkanes and haloalkenes. Explain.
EASY
Chemistry>Organic Chemistry>Haloalkanes and Haloarenes>Chemical Properties of Haloarenes
Aryl chlorides and bromides can be easily prepared by electrophilic substitution of arenes with chlorine and bromine respectively in the presence of Lewis acid catalysts. But why does preparation of aryl iodides requires presence of an oxidising agent?
HARD
Chemistry>Organic Chemistry>Haloalkanes and Haloarenes>Chemical Properties of Haloarenes

Supply the reagents in the following sequence of reactions:

Question Image

HARD
Chemistry>Organic Chemistry>Haloalkanes and Haloarenes>Chemical Properties of Haloarenes

Predict the product of the reaction below

Question Image

HARD
Chemistry>Organic Chemistry>Haloalkanes and Haloarenes>Chemical Properties of Haloarenes

How the following conversion can be carried out?

Chlorobenzene to p-nitrophenol

EASY
Chemistry>Organic Chemistry>Haloalkanes and Haloarenes>Chemical Properties of Haloarenes
What happens when chlorobenzene is subjected to hydrolysis?
EASY
Chemistry>Organic Chemistry>Haloalkanes and Haloarenes>Chemical Properties of Haloarenes
Diphenyls are a potential threat to the environment. How are these produced from aryl halides?
EASY
Chemistry>Organic Chemistry>Haloalkanes and Haloarenes>Chemical Properties of Haloarenes
Discuss the role of Lewis acids in the preparation of aryl bromides and chlorides in the dark.
EASY
Chemistry>Organic Chemistry>Haloalkanes and Haloarenes>Chemical Properties of Haloarenes
Which one is a nucleophilic substitution reaction among the following ?
EASY
Chemistry>Organic Chemistry>Haloalkanes and Haloarenes>Chemical Properties of Haloarenes
What happens when bromobenzene is treated with Mg in the presence of dry ether?
HARD
Chemistry>Organic Chemistry>Haloalkanes and Haloarenes>Chemical Properties of Haloarenes

Arrange the following compounds in the order of decreasing reactivity towards electrophilic substitution.

Question Image