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

CBSE BoardEnglish MediumSTD 12 ScienceChemistry6. Haloalkanes and Haloarenes1 Mark
MCQ
$\underset{(a)}{\mathop{\begin{matrix}
   \,\,\,\,\,\,C{{H}_{3}}  \\
   |  \\
   C{{H}_{3}}-C-C{{H}_{3}}  \\
   |  \\
   \,\,Br  \\
\end{matrix},}}\,\,\,\,\underset{(b)}{\mathop{\begin{matrix}
   C{{H}_{3}}-CH-C{{H}_{3}},  \\
   |\,\,\,\,  \\
   Br\,\,  \\
\end{matrix}}}\,\underset{(c)}{\mathop{C{{H}_{3}}-CH-Br}}\,$

Compare rate of $E_2$ reaction

  • A
    $c > b > a$
  • ✓
    $a > b > c$
  • C
    $b > a > c$
  • D
    $c > a > b$
✓

Answer

Correct option: B.
$a > b > c$
b
$(b)$

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