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Write the preparations of Alkyl halides ...

Write the preparations of Alkyl halides .

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Preparation of Alkyl Halides :
i) From Alcohols : Alkyl halides are prepared by the action of HX , `PX_(3) , PX_(5) , X_(2)` & red phosphurs or SOCl on alcohols .
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Knowledge Check

  • The conditions that are necessary in the preparation of aryl halides

    A
    Low temperature
    B
    Absence of sunlight
    C
    Presence of halogen carrier
    D
    all of the above
  • The conditions that are necessary in the preparation of aryl halides from arenes

    A
    Low temperature
    B
    Absence of sunlight
    C
    Presence of halogen carrier
    D
    All of the above
  • Groove's method is used for preparation of alkyl halides from alcohols using HX and ZnCl_2 . The order of reactivity is

    A
    HCI gt HBr gt HI
    B
    HI gt HBr gt HCI
    C
    HCI gt HI gt HBr
    D
    HI gt HCI gt HBr
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