Em tham khảo nha:
\(\begin{array}{l}
a)\,S{O_2} + B{r_2} + 2{H_2}O \to 2HBr + {H_2}S{O_4}\\
b)\,S{O_2} + 2KOH \to {K_2}S{O_3} + {H_2}O\\
c)\,S{O_2} + 2{H_2}S \to 3S + 2{H_2}O\\
d)5\,S{O_2} + 2KMn{O_4} + 2{H_2}O \to 2{H_2}S{O_4} + 2MnS{O_4} + {K_2}S{O_4}\\
e)2\,S{O_2} + {O_2} \xrightarrow{t^0,$V_2O_5$} 2S{O_3}
\end{array}\)