Assign $A$,$B$,$C$,$D$ from the given type of reaction.
$S + HNO_3 \, (Dil.) \longrightarrow H_2SO_4 + NO \uparrow $

  • A
    $A$. for disproportionation reaction.
  • B
    $B$. for comproportionation reaction.
  • C
    $C$. for either intermolecular redox reaction or displacement reaction.
  • D
    $D$. for either thermal combination redox reaction or thermal decomposition redox reaction.

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