MCQ
Structural formula for lewisite is
  • A
    $\begin{array}{*{20}{c}}
      {CHCl\,\,\,\,\,\,\,\,\,} \\ 
      {||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
      {CHAsC{l_3}} 
    \end{array}$
  • B
    $\begin{array}{*{20}{c}}
      {CHCl\,\,\,\,\,\,\,\,\,} \\ 
      {||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
      {CHAsCl} 
    \end{array}$
  • $\begin{array}{*{20}{c}}
      {CHCl\,\,\,\,\,\,\,\,\,} \\ 
      {||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
      {CHAsC{l_2}} 
    \end{array}$
  • D
    $\begin{array}{*{20}{c}}
      {C{H_2}\,\,\,\,\,\,\,\,\,\,} \\ 
      {||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
      {CHAsC{l_2}} 
    \end{array}$

Answer

Correct option: C.
$\begin{array}{*{20}{c}}
  {CHCl\,\,\,\,\,\,\,\,\,} \\ 
  {||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {CHAsC{l_2}} 
\end{array}$
c
$\begin{array}{*{20}{c}} {CHCl\,\,\,\,\,\,\,\,\,} \\ {||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ {CHAsC{l_2}} \end{array}$

Lewisite is more poisonous than mustard gas and was used in world war -$II$.

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