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6. Haloalkanes and Haloarenes — Chemistry STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceChemistry6. Haloalkanes and Haloarenes1 Mark
MCQ
In which alkyl halide, $S{N^2}$ mechanism is favoured maximum
  • ✓
    $C{H_3}Cl$
  • B
    $C{H_3}C{H_2}Cl$
  • C
    ${(C{H_3})_2}CHCl$
  • D
    ${(C{H_3})_3}C - Cl$
✓

Answer

Correct option: A.
$C{H_3}Cl$
a
(a)  ${S_{{N^2}}}$ Substitution nucleophilic bimolecular order of different alkyl halides. ${1^o} > {2^o} > {3^o}$

${S_{{N^1}}}$ Substitution nucleophilic unimolecular order of different alkyl halides , ${3^o} > {2^o} > {1^o}$.

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