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NEET-XII-Chemistry

Previous Year Paper year:2017

with Solutions - page 5
Qstn# 65 Prvs-QstnNext-Qstn
  • #65
    Among the following, the reaction that
    proceeds through an electrophilic
    substitution, is:
    (1) m65a.png
    (2) m65b.png
    (3) m65c.png
    (4) m65d.png
    digAnsr:   2
    Ans : ( 2 )
    Sol.
    Cl
    + Cl
    2
    AlCl3
    + HCl
    Generation of electrophile:
    Cl Cl
    ..
    .. .
    .
    + AlCl3 Cl Cl AlCl3
    + -
    Cl
    ..
    ...
    . +
    AlCl
    4
    +
    -
    Electrophile
    (i)
    +
    Cl
    +
    etc
    Cl H
    (ii)
    +
    Cl H
    Cl