The poisonous gas 'Lewisite' is obtained by the reaction of:

  • A
    $CH \equiv CH$ and $AsCl_3$
  • B
    $CH_2 = CH_2$ and $AsCl_3$
  • C
    $CH \equiv CH$ and $S_2Cl_2$
  • D
    $CH_2 = CH_2$ and $NOCl$

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