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Butan-1-ol (CH₃CH₂CH₂CH₂OH), a primary alcohol, is oxidized to butanoic acid (CH₃CH₂CH₂COOH) with KMnO₄, a strong oxidant.
Ref: NCERT Class 12 Chemistry > Chapter 7: Alcohols, Phenols and Ethers > Topic: Preparation of Phenols and Ethers - Williamson and Other Methods
KMnO 4 is used as an oxidant, disinfectant, and in organic synthesis, but not as a reducing agent.
Ref: NCERT Class 12 Chemistry > Chapter 4: d and f Block Elements > Topic: Preparation and Properties of Potassium Dichromate and Permanganate
Pyrolusite ore (MnO 2 ) is fused with KOH and oxidized to form KMnO 4 .
Ref: NCERT Class 12 Chemistry > Chapter 4: d and f Block Elements > Topic: Preparation and Properties of Potassium Dichromate and Permanganate
KMnO 4 is an oxidizing agent, not used as a reducing agent.
Ref: NCERT Class 12 Chemistry > Chapter 4: d and f Block Elements > Topic: Preparation and Properties of Potassium Dichromate and Permanganate
2MnO 4 - + 5C 2 O 4 2- + 16H + → 2Mn 2+ + 10CO 2 + 8H 2 O
Ref: NCERT Class 12 Chemistry > Chapter 4: d and f Block Elements > Topic: General Properties of d-Block - Electronic Configuration and Trends
2KMnO 4 → K 2 MnO 4 + MnO 2 + O 2 (thermal decomposition at ~513K).
Ref: NCERT Class 12 Chemistry > Chapter 4: d and f Block Elements > Topic: Applications of d and f Block Elements
Oxidation: 10Cl− → 5Cl₂ + 10e−. Reduction: 2MnO₄− + 10e− → 2Mn₂+. Total electrons = 10.
Ref: NCERT Class 11 Chemistry > Chapter 7: Redox Reactions > Topic: Redox Titrations and Equivalent Weight and Normality
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