Haloalkanes & haloarenes - Class 12th Chemistry

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Haloalkanes - Alkyl group + Halogen
Haloarenes - Arkyl group + Halogen

ØChain isomerism:

       CH3CH2CH2CH2Cl           1-chlorobutane,

       CH3CH - CH2Cl          1-chloro-2-methylpropane

               |

              CH3

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Ø Position isomerism:

Ø CH3CH2CH2Cl   1-chloropropane

Ø CH3CH2 (Cl) CH3 2-chloropropane

Ø Optical isomerism:   

    Alkyl halides     :              C3H7X          C4H9X         C5H11X

  Total no. of optical isomers:      2                  4                   8

Ø Conformations: Due to free rotation of C - C bond, alkyl halides also form conformers.

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