Câu 1: Cho các chất sau: CuO, Fe2O3, SO2, CO2, P2O5, SO3, Ba(OH)2; Zn(OH)2; Al(OH)3; Cu(OH)2;
Fe(OH)3 ; KOH, Fe, Al, Cu, Mg, BaCO3, CaO, CaCO3
a) Những chât nào tác dụng với dd NaOH.
b) Những chất nào bị nhiệt phân hủy .
c) Những chất nào tác dụng với dd HCl
Em tham khảo nha:
\(\begin{array}{l}
a)\\
S{O_2} + 2NaOH \to N{a_2}S{O_3} + {H_2}O\\
C{O_2} + 2NaOH \to N{a_2}C{O_3} + {H_2}O\\
{P_2}{O_5} + 6NaOH \to 2N{a_3}P{O_4} + 3{H_2}O\\
S{O_3} + 2NaOH \to N{a_2}S{O_4} + {H_2}O\\
Zn{(OH)_2} + 2NaOH \to N{a_2}Zn{O_2} + 2{H_2}O\\
Al{(OH)_3} + NaOH \to NaAl{O_2} + 2{H_2}O\\
2Al + 2NaOH + 2{H_2}O \to 2NaAl{O_2} + 3{H_2}\\
b)\\
Zn{(OH)_2} \xrightarrow{t^0} ZnO + {H_2}O\\
2Al{(OH)_3} \xrightarrow{t^0} A{l_2}{O_3} + 3{H_2}O\\
Cu{(OH)_2} \xrightarrow{t^0} CuO + {H_2}O\\
2Fe{(OH)_3} \xrightarrow{t^0} F{e_2}{O_3} + 3{H_2}O\\
BaC{O_3} \xrightarrow{t^0} BaO + C{O_2}\\
CaC{O_3} \xrightarrow{t^0} CaO + C{O_2}\\
c)\\
CuO + 2HCl \to CuC{l_2} + {H_2}O\\
F{e_2}{O_3} + 6HCl \to 2FeC{l_3} + 3{H_2}O\\
Ba{(OH)_2} + 2HCl \to BaC{l_2} + 2{H_2}O\\
Zn{(OH)_2} + 2HCl \to ZnC{l_2} + 2{H_2}O\\
Al{(OH)_3} + 3HCl \to AlC{l_3} + 3{H_2}O\\
Cu{(OH)_2} + 2HCl \to CuC{l_2} + 2{H_2}O\\
Fe{(OH)_3} + 3HCl \to FeC{l_3} + 3{H_2}O\\
KOH + HCl \to KCl + {H_2}O\\
Fe + 2HCl \to FeC{l_2} + {H_2}\\
2Al + 6HCl \to 2AlC{l_3} + 3{H_2}\\
Mg + 2HCl \to MgC{l_2} + {H_2}\\
BaC{O_3} + 2HCl \to BaC{l_2} + C{O_2} + {H_2}O\\
CaO + 2HCl \to CaC{l_2} + {H_2}O\\
CaC{O_3} + 2HCl \to CaC{l_2} + C{O_2} + {H_2}O
\end{array}\)