1. Lập PTHH cho chuỗi phản ứng sau:
a. Al2O3 \(\underrightarrow{\left(1\right)}\) Al \(\underrightarrow{\left(2\right)}\) AlCl3 \(\underrightarrow{\left(3\right)}\) NaCl \(\underrightarrow{\left(4\right)}\) NaOH
b. CuSO4 \(\underrightarrow{\left(1\right)}\) Cu(OH)2 \(\underrightarrow{\left(2\right)}\) CuO \(\underrightarrow{\left(3\right)}\) Cu \(\underrightarrow{\left(4\right)}\) CuCl2
@Cheewin , @Shinochi Kudou , @Einstein
b;
CuSO4 + 2NaOH -> Cu(OH)2 + Na2SO4
Cu(OH)2 -> CuO + H2O
CuO + CO -> Cu + CO2
Cu + 2FeCl3 -> 2FeCl2 + CuCl2
a)
2Al2O3 \(\underrightarrow{đp}\) 4Al + 3O2
2Al + 3Cl2 \(\rightarrow\) 2AlCl3
AlCl3 + 3NaOH \(\rightarrow\) Al(OH)3 + 3NaCl
2NaCl + 2H2O \(\rightarrow\) 2NaOH + Cl2 + H2
a;
2Al2O3 \(\xrightarrow[criolit]{đpnc}\)4Al + 3O2
2Al + 6HCl -> 2AlCl3 + 3H2
AlCl3 + 3NaOH -> Al(OH)3 + 3NaCl
2NaCl + 2H2O \(\underrightarrow{đpdd}\) 2NaOH + H2 + Cl2