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Classification
Chapter Name : Haloalkanes And Haloarenes
Sub Topic Code : 102_12_10_01_02
Topic Name : Classification
Sub Topic Name : Compounds
Introduction

1. Mono halo compounds may further be classified according to the hybridization of the carbon atom to which the halogen is bonded. 2.Alkyl halides or haloalkanes (R—X). 3.In alkyl halides, the halogen atom is bonded to an alkyl group (R). 4.They form a homologous series represented by CnH2n+1X. They are further classified as primary, secondary or tertiary according to the nature of carbon to which halogen is attached. 5. Allylic halides - These are the compounds in which the halogen atom is bonded to an sp3-hybridized carbon atom next to carbon-carbon double bond (C=C) i.e. to an allylic carbon. 6. Benzylic halides - These are the compounds in which the halogen atom is bonded to an sp3-hybridized carbon atom next to an aromatic ring.

Pre-Requisites:

Elements

Activity:

1.Synthetic halogen compounds, viz. 2. chloroquine is used for the treatment of malaria. 3. halothane is used as an anesthetic during surgery.

Real Life Question:

What are haloarenes and haloalkanes?

Key Words / FlashCards
Key Words Definitions (pref. in our own words)
Haloalkanes Haloalkanes contain halogen atom(s) attached to the sp3 hybridized carbon atom of an alkyl group.
Haloarenes Haloarenes contain halogen atom(s) attached to sp2 hybridized carbon atom(s) of an aryl group.
Learning aids / Gadgets
Gadgets How it can be used
chloramphenicol Chlorine containing antibiotic, chloramphenicol, produced by soil microorganisms is very effective for the treatment of typhoid fever.
Real life uses :

1.Synthetic halogen compounds, viz. 2. chloroquine is used for the treatment of malaria. 3. halothane is used as an anesthetic during surgery.

Places to visit :

pharmacy

Practical examples around us
Examples Explainations
chloroquine chloroquine is used for the treatment of malaria.
halothane halothane is used as an anesthetic during surgery.
What you learn in Theory:

1. Mono halo compounds may further be classified according to the hybridization of the carbon atom to which the halogen is bonded. 2.Alkyl halides or haloalkanes (R—X). 3.In alkyl halides, the halogen atom is bonded to an alkyl group (R). 4.They form a homologous series represented by CnH2n+1X. They are further classified as primary, secondary or tertiary according to the nature of carbon to which halogen is attached. 5. Allylic halides - These are the compounds in which the halogen atom is bonded to an sp3-hybridized carbon atom next to carbon-carbon double bond (C=C) i.e. to an allylic carbon. 6. Benzylic halides - These are the compounds in which the halogen atom is bonded to an sp3-hybridized carbon atom next to an aromatic ring.

What you learn in Practice:

Haloalkanes and Haloarenes are classified based on the number of halogen compounds contained in them

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