Cu → CuO → CuCl₂ → Cu(OH)₂ → CuSO₄
1. 2Cu + O₂ → 2CuO
2. CuO + 2HCl → CuCl₂ + H₂O
3. CuCl₂ + 2NaOH → Cu(OH)₂ ↓ + 2NaCl
4. Cu(OH)₂ + H₂SO₄ → CuSO₄ + 2H₂O
_______________________________
P → P₂O₅ → H₃PO₄ → Ca₃(PO₄)₂
1. 4P + 5O₂ → 2P₂O₅
2. P₂O₅ + 3H₂O → 2H₃PO₄
3. 2H₃PO₄ + 3Ca(OH)₂ → Ca₃(PO₄)₂ + 6H₂O
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Cu → CuO → CuCl₂ → Cu(OH)₂ → CuSO₄
1. 2Cu + O₂ → 2CuO
2. CuO + 2HCl → CuCl₂ + H₂O
3. CuCl₂ + 2NaOH → Cu(OH)₂ ↓ + 2NaCl
4. Cu(OH)₂ + H₂SO₄ → CuSO₄ + 2H₂O
_______________________________
P → P₂O₅ → H₃PO₄ → Ca₃(PO₄)₂
1. 4P + 5O₂ → 2P₂O₅
2. P₂O₅ + 3H₂O → 2H₃PO₄
3. 2H₃PO₄ + 3Ca(OH)₂ → Ca₃(PO₄)₂ + 6H₂O