1)Al-AlCl3-Al(OH)3-Al2O3-Al
2)H2So4-CuSo4-CuCl2-Cu(oh)2-CuO-Cu
3)P-PH3-P2O5-H3Po4-Na3PO4
2)H2So4-CuSo4-CuCl2-Cu(oh)2-CuO-Cu
3)P-PH3-P2O5-H3Po4-Na3PO4
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Answers & Comments
AlCl3 + 3KOH = Al(OH)3 + 3KCl
2Al(OH)3 = Al2O3 + 3H2O
2Al2O3 = 4Al + 3O2
H2SO4 + CuO = CuSO4 + H2O
CuSO4 + 2HCl = CuCl2 + H2SO4
CuCl2 + 2NaOH = Cu(OH)2 + 2NaCl
Cu(OH)2 = CuO + H2O
CuO = Cu + O2
Фосфин нельзя получить прямым путём :
K3P + 3 H2O = 3 KOH + PH3
2РН3+4O2 = P2O5+3Н2O
P2O5+3Н2O = 2H3PO4
H3PO4 + 3NaOH = Na3PO4 + 3H2O