MEDIUM
12th Odisha Board
IMPORTANT
Earn 100

Explain the following:

Presence of a nitro group at ortho or para position increases the reactivity of haloarenes towards nucleophilic substitution.

Important Questions on Haloarenes (Aryl Halides)

MEDIUM
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-2>Chapter 14 - Haloarenes (Aryl Halides)>QUESTIONS>Q 3

Explain the following:

Aryl iodides can be prepared by reaction of arenes with iodine in presence of an oxidizing agent.

MEDIUM
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-2>Chapter 14 - Haloarenes (Aryl Halides)>QUESTIONS>Q 1
Write the structural formulae of all possible isomers of aromatic compounds having the molecular formula C7H7Cl.
MEDIUM
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-2>Chapter 14 - Haloarenes (Aryl Halides)>QUESTIONS>Q 2
How will you synthesise phenylacetic acid from toluene?
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-2>Chapter 14 - Haloarenes (Aryl Halides)>QUESTIONS>Q 3
How will you distinguish between benzyl bromide and p-bromotoluene?
HARD
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-2>Chapter 14 - Haloarenes (Aryl Halides)>QUESTIONS>Q 1
Why are aryl halides less reactive towards nucleophilic substitution reactions than alkyl halides? How can the reactivity of aryl halides be enhanced?
HARD
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-2>Chapter 14 - Haloarenes (Aryl Halides)>QUESTIONS>Q 2
Discuss the resonating structures of chlorobenzene. How do you account for double bond character of C-Cl bond? Describe the industrial method of preparation of chlorobenzene?
HARD
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-2>Chapter 14 - Haloarenes (Aryl Halides)>QUESTIONS>Q 3
Describe the preparation and properties of chlorobenzene.
MEDIUM
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-2>Chapter 14 - Haloarenes (Aryl Halides)>QUESTIONS>Q 4
Give the mechanism of nucleophilic substitution in aryl halides.