Haloarenes and Polyhalogen Compounds

Name: Haloarenes and Polyhalogen Compounds
Author: StemPy Lab

A halogen on a benzene ring behaves differently from one on a chain. Preparation and properties of haloarenes, why they resist nucleophilic substitution, their electrophilic substitution and coupling reactions, Grignard reagents, and the uses and environmental harm of chloroform, iodoform, tetrachloromethane, freons and DDT. It covers the Indian syllabus (NCERT, NEET, JEE Main) and the matching topic of A-Level, IB and AP.

3 lessons, about 1 h 25 min3 simulations10 problems4 practice questionsPython in every lesson

Created by StemPy Lab

Course outline (3 lessons)

Lesson 1about 25 min
Preparing haloarenes and their properties
Mothballs and some toilet blocks are made of a haloarene. These compounds are made in two ways: by putting a halogen directly on the ring, or by replacing the nitrogen of a diazonium salt. Here you learn both, and why the isomers differ in melting point.
1 simulation1 practice question1 Python program3 problems
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Lesson 2about 30 min
Reactions of haloarenes
A chlorine atom on a chain is easily replaced, but on a ring it is hard to move. And yet the ring reacts with electrophiles, and the halogen sends the new group to certain positions only. This lesson explains both and adds the coupling reactions and the Grignard reagent.
1 simulation2 practice questions1 Python program3 problems1 Python lab
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Lesson 3about 30 min
Polyhalogen compounds and the environment
A bottle of chloroform, a can of paint remover and a refrigerator gas all belong to one family. Each has more than one halogen on a single carbon. Here we learn how they are made, what they are used for, and why some of them harm people and the planet.
1 simulation1 practice question1 Python program4 problems1 Python lab1 question set1 note
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Haloalkanes and Haloarenes: Chapter Test

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Haloarenes and Polyhalogen Compounds

Course outline (3 lessons)

Preparing haloarenes and their properties

Reactions of haloarenes

Polyhalogen compounds and the environment

Test Your Learning

Your teacher

Discussion (0)