\(F{\text{e + S}}\xrightarrow{{{t^o}}}F{\text{e}}S\)
\(2F{\text{e}}S + 10{H_2}S{O_4}\xrightarrow{{{t^o}}}F{e_2}{(S{O_4})_3} + 9{\text{S}}{O_2} + 10{H_2}O\)
\(2NaOH + S{O_2}\xrightarrow{{}}N{a_2}S{O_3} + {H_2}O\)
\(N{a_2}S{O_3} + 2HCl\xrightarrow{{}}2NaCl + S{O_2} + {H_2}O\)
\(2{H_2}S + S{O_2}\xrightarrow{{{t^o}}}3{\text{S}} + 2{H_2}O\)
\({H_2} + S\xrightarrow{{{t^o}}}{H_2}S\)
\(2NaOH + {H_2}S\xrightarrow{{}}N{a_2}S + 2{H_2}O\)
\(N{a_2}S + F{\text{e}}C{l_2}\xrightarrow{{}}F{\text{e}}S + 2NaCl\)
\(F{\text{e}}S + 2HCl\xrightarrow{{}}F{\text{e}}C{l_2} + {H_2}S\)
\({H_2}S + 4C{l_2} + 4{H_2}O\xrightarrow{{}}{H_2}S{O_4} + 8HCl\)
\(F{\text{e}} + {H_2}S{O_4}\xrightarrow{{}}F{\text{e}}S{O_4} + {H_2}\)
\({H_2} + S\xrightarrow{{{t^o}}}{H_2}S\)
\(2{H_2}S + 3{{\text{O}}_2}\xrightarrow{{{t^o}}}2{\text{S}}{O_2} + 2{H_2}O\)
\(S{O_2} + B{{\text{r}}_2} + {H_2}O\xrightarrow{{}}{H_2}S{O_4} + 2HB{\text{r}}\)
\(F{\text{e}} + {H_2}S{O_4}\xrightarrow{{}}F{\text{e}}S{O_4} + {H_2}\)
