Polyhalogen Compounds
Chapter Name : Haloalkanes And Haloarenes |
Sub Topic Code : 102_12_10_07_01 |
Topic Name : Polyhalogen Compounds |
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Sub Topic Name : Dichloromethane |
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Introduction
• Carbon compounds containing more than one halogen atom are called polyhalogen compounds. • Many of these compounds are useful in industry and agriculture. • Dichloromethane is widely used as a ? solvent as a paint remover, ? propellant in aerosols, • It is also used as a metal cleaning and finishing solvent. • Used as a process solvent in the manufacture of drugs. • Methylene chloride harms the human central nervous system. • Exposure to lower levels of methylene chloride in air can lead to slightly impaired hearing and vision.
Pre-Requisites:
Elements, bond, halides
Activity:
• Dichloromethane is widely used as a ? solvent as a paint remover, ? propellant in aerosols,
Real Life Question:
What are haloarenes and haloalkanes?
Key Words / FlashCards
| Key Words | Definitions (pref. in our own words) |
|---|---|
| - Polyhalogen compounds | • Carbon compounds containing more than one halogen atom are called polyhalogen compounds. |
Learning aids / Gadgets
| Gadgets | How it can be used |
|---|---|
| • Chlorine containing antibiotic, chloramphenicol, produced by soil microorganisms is very effective for the treatment of typhoid fever. |
Real life uses :
• Dichloromethane is widely used as a ? solvent as a paint remover, ? propellant in aerosols, .
Places to visit :
Pharmacy.
Practical examples around us
| Examples | Explainations |
|---|---|
| • Dichloromethane is widely used as a ? solvent as a paint remover, ? propellant in aerosols, |
What you learn in Theory:
• Carbon compounds containing more than one halogen atom are called polyhalogen compounds. • Many of these compounds are useful in industry and agriculture. • Dichloromethane is widely used as a ? solvent as a paint remover, ? propellant in aerosols, • It is also used as a metal cleaning and finishing solvent. • Used as a process solvent in the manufacture of drugs. • Methylene chloride harms the human central nervous system. • Exposure to lower levels of methylene chloride in air can lead to slightly impaired hearing and vision.
What you learn in Practice:
• Polyhalogen compounds have a variety of uses.