Phosphorus reacts with $SO_2Cl_2$ to form $PCl_5$ and $X$. At $723 \ K$,$HCl$ gas reacts with $O_2$ in the presence of $CuCl_2$ to form water and $Y$. $Y$ reacts with $X$ in water to form two acids $A$ and $B$. What are $A$ and $B$ respectively?

  • A
    $H_2SO_4, HCl$
  • B
    $H_2SO_4, HNO_3$
  • C
    $HCl, HNO_3$
  • D
    $H_2SO_4, H_3PO_4$

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