Class 12 Chemistry — Chapter 1: Haloalkanes and Haloarenes

What you'll learn

• ▸Introduction and Classification of Organohalogen Compounds
• ▸Classification of Alkyl, Allylic and Benzylic Halides (sp³ C-X bond)
• ▸Classification of Vinylic and Aryl Halides (sp² C-X bond)
• ▸IUPAC and Common Nomenclature of Halocompounds
• ▸Nomenclature of Dihalides
• ▸Structural Isomerism in Haloalkanes
• ▸Applications of Organohalogen Compounds

Chapter Summary

--- PAGE 1 --- Unit 6 Haloalkanes and Haloarenes Objectives After studying this Unit, you will be able to • name haloalkanes and haloarenes according to the IUPAC system of nomenclature from their given structures; • describe the reactions involved in the preparation of haloalkanes and haloarenes and understand various reactions that they undergo; • correlate the structures of haloalkanes and haloarenes with various types of reactions; • use stereochemistry as a tool for understanding the reaction mechanism; • appreciate the applications of organo-metallic compounds; • highlight the environmental effects of polyhalogen compounds. *Halogenated compounds persist in the environment due to their resistance to breakdown by soil bacteria.* The replacement of hydrogen atom(s) in an aliphatic or aromatic hydrocarbon by halogen atom(s) results in the formation of alkyl halide (haloalkane) and aryl halide (haloarene), respectively. Haloalkanes contain halogen atom(s…

Practice Questions from this Chapter

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1. How do halogens help humans? Get Solution →
2. Where are haloalkanes found? Get Solution →
3. What makes halogens unique? Get Solution →
4. In haloalkanes, the halogen atom is attached to which type of hybridised carbon atom? Get Solution →
5. In haloarenes, the halogen atom is directly attached to which type of hybridised carbon atom of an aryl group? Get Solution →
6. According to the text, which chlorine-containing antibiotic is effective for treating typhoid fever? Get Solution →
7. Deficiency of the iodine-containing hormone thyroxine causes which disease? Get Solution →
8. What are compounds called where a halogen atom is bonded to an sp³-hybridised carbon atom adjacent to a carbon-carbon double bond? Get Solution →

Did you know?

• 💡 Fluorine is so reactive it can burn water and even glass.
• 💡 Chlorine was the first chemical weapon used in warfare in 1915.
• 💡 Our bodies need iodine to make a hormone that controls growth.
• 💡 Bromine is a reddish-brown liquid, the only liquid non-metal element.
• 💡 Halogen lights contain tiny amounts of halogen gas to make them brighter.

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