Em tham khảo nha :
Tác dụng với axit đặc :
\(Cu,FeO,BaC{l_2},NaCl,MgS{O_3},Al,N{a_2}O,Fe{(OH)_2}\)
PTHH :
\(\begin{array}{l}
Cu + 2{H_2}S{O_4} \to CuS{O_4} + S{O_2} + 2{H_2}O\\
2FeO + 4{H_2}S{O_4} \to F{e_2}{(S{O_4})_3} + S{O_2} + 4{H_2}O\\
BaC{l_2} + {H_2}S{O_4} \to BaS{O_4} + 2HCl\\
NaCl + {H_2}S{O_4} \to HCl + NaHS{O_4}\\
MgS{O_3} + {H_2}S{O_4} \to MgS{O_4} + S{O_2} + {H_2}O\\
2Al + 6{H_2}S{O_4} \to A{l_2}{(S{O_4})_3} + 3S{O_2} + 6{H_2}O\\
N{a_2}O + {H_2}S{O_4} \to N{a_2}S{O_4} + {H_2}O\\
2Fe{(OH)_2} + 4{H_2}S{O_4} \to F{e_2}{(S{O_4})_3} + S{O_2} + 6{H_2}O
\end{array}\)
- Tác dụng với axit loãng
\(FeO,BaC{l_2},MgS{O_3},Al,N{a_2}O,Fe{(OH)_2}\)
PTHH :
\(\begin{array}{l}
FeO + {H_2}S{O_4} \to FeS{O_4} + {H_2}O\\
BaC{l_2} + {H_2}S{O_4} \to BaS{O_4} + 2HCl\\
MgS{O_3} + {H_2}S{O_4} \to MgS{O_4} + S{O_2} + {H_2}O\\
2Al + 3{H_2}S{O_4} \to A{l_2}{(S{O_4})_3} + 3{H_2}\\
N{a_2}O + {H_2}S{O_4} \to N{a_2}S{O_4} + {H_2}O\\
Fe{(OH)_2} + {H_2}S{O_4} \to FeS{O_4} + {H_2}O
\end{array}\)