MCQ
Structural formula for lewisite is
  • A
    $\begin{array}{l}CHCl\\{\rm{||}}\\CHAsC{l_3}\end{array}$
  • B
    $\begin{array}{l}CHC{l_2}\\{\rm{|}}\\CHAsC{l_3}\end{array}$
  • $\begin{array}{l}CHCl\\||\\CHAsC{l_2}\end{array}$
  • D
    None of these

Answer

Correct option: C.
$\begin{array}{l}CHCl\\||\\CHAsC{l_2}\end{array}$
c
(c)Lewisite is more poisonous than mustard gas and was used in world war $-II$.

$\begin{array}{*{20}{c}}
  {CH} \\ 
  {|||\,\,\,\,} \\ 
  {CH} 
\end{array} + \mathop {\begin{array}{*{20}{c}}
  {Cl\,\,\,\,} \\ 
  {|\,\,\,\,\,\,\,} \\ 
  {AsC{l_2}} 
\end{array}}\limits_{{\text{Arsenic}}{\mkern 1mu} {\mkern 1mu} {\text{trichloride}}} \xrightarrow{{Anhydrous\,AlC{l_3}}}\mathop {\begin{array}{*{20}{c}}
  {\,\,\,\,CHCl\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {CH\,\,AsC{l_2}} 
\end{array}}\limits_{{\text{Lewisite }}\left( {\beta {\text{  -  Chlorovinyl }}{\mkern 1mu} {\mkern 1mu} {\text{dichloroarsine}}} \right)} $

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