• # question_answer Sodium carbonate reacts with $S{{O}_{2}}$ in aqueous medium to give [MP PMT 1982, 85] A) $NaHS{{O}_{3}}$ B) $N{{a}_{2}}S{{O}_{3}}$ C) $NaHS{{O}_{4}}$ D) $N{{a}_{2}}S{{O}_{4}}$

$N{{a}_{2}}C{{O}_{3}}+{{H}_{2}}O+2S{{O}_{2}}\to 2NaHS{{O}_{3}}+C{{O}_{2}}$