Permanganate Oxidation of Iron(II)
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MnO4− + 5Fe2+ + 8H+ → Mn2+ + 5Fe3+ + 4H2O
نظرة عامة
Permanganate ion is a powerful oxidizing agent that oxidizes iron(II) to iron(III) while being reduced from Mn(VII) to Mn(II) in acidic solution. The dramatic color change from deep purple KMnO₄ to nearly colorless Mn²⁺ makes this reaction self-indicating in titrations.
المشاركون
| الدور | المادة | المعامل | الحالة |
|---|---|---|---|
| منتج | Water H₂O | 4 | (l) |
مثال من الحياة اليومية
Potassium permanganate's purple color is used in water purification systems and as a disinfectant for fruits and vegetables in some countries.
الأهمية الصناعية
Permanganate titration (permanganometry) is a standard analytical method for determining iron content in ores, water, and environmental samples.
الخصائص
- النوع
- Redox
- قابل للعكس
- لا
- الطاقة
- طارد للحرارة
- ΔH
- -536,0 kJ/mol