Напишите уравнения реакций для осуществления превращений:
Cl2 → HCl → CuCl2 → BaCl2 → NaCl → Cl2.
Cl2 → HCl → CuCl2 → BaCl2 → NaCl → Cl2.
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Verified answer
Cl2 + H2 -> 2HCl2HCl + CuS -> CuCl2 + H2S
CuCl2 + Ba(OH)2 -> BaCl2 + Cu(OH)2
BaCl2 + Na2SO4 -> BaSO4 + 2NaCl
2NaCl -> 2Na + Cl2
Verified answer
Cl2 + H2 = 2HCl2HCl + CuS = CuCl2 + H2S↑
CuCl2 + Ba(OH)2 = BaCl2 + Cu(OH)2↓
BaCl2 + Na2СО3 = BaСО3↓ + 2NaCl
2NaCl =эл-лиз= 2Na + Cl2