MCQ
The electrophile involved in Reimer-Tiemann reaction is
  • A
    $\mathop {CHC{l_2}}\limits^{\,\,\, \oplus \,\,\,\,{\kern 1pt} \,\,\,{\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} } $
  • $:CC{l_2}$
  • C
    $\mathop {CC{l_3}}\limits^{\Theta \,\,\,\,\,\,\,\,\,\,} $
  • D
    $\mathop {CHO}\limits^{\Theta \,\,\,\,\,\,\,\,\,\,} $

Answer

Correct option: B.
$:CC{l_2}$
b
$:CC{l_2}$

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