Write the reaction equation: Cr2 (SO4) 3 → Cr (OH) 3 → Cr2O3 → Cr → Cr2S3

univerkov | April 11, 2021 | education

1) Cr₂(SO₄)₃ + 6H₂O → 2Cr(OH)₃↓ + 3H₂SO₄;

2) 2Cr(OH)₃ → Cr₂O₃ + 3H₂O;

3) 2Cr₂O₃→ 4Cr + 3O₂;

4) 2Cr + 3H₂S → Cr₂S₃ + 3H₂↑.

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