In the reaction of sulphur with concentrated sulphuric acid,the oxidised product is $X$ and the reduced product is $Y$. $X$ and $Y$ are respectively:

  • A
    $SO_3, SO_2$
  • B
    $SO_2, SO_2$
  • C
    $SO_2, H_2S$
  • D
    $SO_2, H_2O$

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