Câu 1: hoàn thành các sơ đồ phản ứng sau?
a/ FeS → H2S → SO2 → H2SO4 → Na2SO4 → NaCl
b/ FeS2 → SO2 → SO3 → H2SO4 → CuSO4 → CuCl2
d/ FeS2 → SO2 → S → H2S → H2SO4 → HCl
e/ S → SO2 → SO3 → H2SO4 → CuSO4
f/ S → ZnS → H2S → H2SO4 → CuSO4 → BaSO4
Câu 1: hoàn thành các sơ đồ phản ứng sau? a/ FeS → H2S → SO2 → H2SO4 → Na2SO4 → NaCl b/ FeS2 → SO2 → SO3 → H2SO4 → CuSO4 → CuCl2 d/ FeS2 → SO2 → S →
By Peyton
\(\begin{array}{l}
a)\\
FeS + 2HCl \to FeC{l_2} + {H_2}S\\
2{H_2}S + 3{O_2} \to 2S{O_2} + 2{H_2}O\\
S{O_2} + B{r_2} + 2{H_2}O \to 2HBr + {H_2}S{O_4}\\
2NaOH + {H_2}S{O_4} \to N{a_2}S{O_4} + 2{H_2}O\\
N{a_2}S{O_4} + BaC{l_2} \to BaS{O_4} + 2NaCl\\
b)\\
4Fe{S_2} + 11{O_2} \to 2F{e_2}{O_3} + 4S{O_2}\\
2S{O_2} + {O_2} \to 2S{O_3}\\
S{O_3} + {H_2}O \to {H_2}S{O_4}\\
CuO + {H_2}S{O_4} \to CuS{O_4} + {H_2}O\\
CuS{O_4} + BaC{l_2} \to BaS{O_4} + CuC{l_2}\\
d)\\
4Fe{S_2} + 11{O_2} \to 2F{e_2}{O_3} + 4S{O_2}\\
S{O_2} + 2{H_2}S \to 3S + 2{H_2}O\\
S + {H_2} \to {H_2}S\\
{H_2}S + CuS{O_4} \to CuS + {H_2}S{O_4}\\
{H_2}S{O_4} + BaC{l_2} \to BaS{O_4} + 2HCl\\
e)\\
S + {O_2} \to S{O_2}\\
2S{O_2} + {O_2} \to 2S{O_3}\\
S{O_3} + {H_2}O \to {H_2}S{O_4}\\
CuO + {H_2}S{O_4} \to CuS{O_4} + {H_2}O\\
f)\\
S + Zn \to ZnS\\
ZnS + 2HCl \to ZnC{l_2} + {H_2}S\\
{H_2}S + CuS{O_4} \to CuS + {H_2}S{O_4}\\
CuO + {H_2}S{O_4} \to CuS{O_4} + {H_2}O\\
CuS{O_4} + BaC{l_2} \to BaS{O_4} + CuC{l_2}
\end{array}\)