1. NaClO + 2KI + H₂SO₄ → I₂ + NaCl + K₂SO₄ + H₂O
2. 2KNO₃ + 6KI + 4H₂SO₄ → 2NO + 3I₂ + 4K₂SO₄ + 4H₂O
3. 3NO₂ + H₂O →t°C NO + 2HNO₃
4. 3H₂S + 2HMnO₄ → 3S + 2MnO₂ + 4H₂O
5. K₂MnO₄ + 8HCl → MnCl₂ + 2Cl₂ + 2KCl + 4H₂O
6. K₂Cr₂O₇ + 3Na₂SO₃ + 4H₂O → 2Cr(OH)₃ ↓ + 3Na₂SO₄ + 2KOH
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Answers & Comments
1. NaClO + 2KI + H₂SO₄ → I₂ + NaCl + K₂SO₄ + H₂O
2. 2KNO₃ + 6KI + 4H₂SO₄ → 2NO + 3I₂ + 4K₂SO₄ + 4H₂O
3. 3NO₂ + H₂O →t°C NO + 2HNO₃
4. 3H₂S + 2HMnO₄ → 3S + 2MnO₂ + 4H₂O
5. K₂MnO₄ + 8HCl → MnCl₂ + 2Cl₂ + 2KCl + 4H₂O
6. K₂Cr₂O₇ + 3Na₂SO₃ + 4H₂O → 2Cr(OH)₃ ↓ + 3Na₂SO₄ + 2KOH