level: POTASSIUM PERMANGANATE EXPERIMENT
Questions and Answers List
level questions: POTASSIUM PERMANGANATE EXPERIMENT
| Question | Answer |
|---|---|
| Decomposition of Potassium Permanganate when heated at 240C | 2KMnO4 → K2MnO4 + MnO2(s) + O2 |
| Decomposition of Potassium Permanganate when heated at 240C | 2KMnO4 → K2MnO4 + MnO2(s) + O2 |
| Decomposition of Potassium Permanganate when heated at 240C | 2KMnO4 → K2MnO4 + MnO2(s) + O2 |
| Decomposition of Potassium Permanganate when heated at 240C | 2KMnO4 → K2MnO4 + MnO2(s) + O2 |
| Potassium Permanganate consists of: | 1 Permanganate ion 2 Potassium ion |
| Potassium Permanganate other names | 1 Condy's crystals 2 Permanganate of potash 3 Chameleon mineral potassium |
| What color is formed when Potassium permanganate is dissolved in water? | Purple solution |
| It is prepared from what material? | manganese oxide |
| Physical Test of Potassium Permanganate | Color: Dark purple / black. Bright purple when in water Odor: Odorless Taste: Sweet Physical state: Crystallized solid |
| Potassium Permanganate reacts with Sulfuric Acid and Hydrogen Peroxide | 2KMnO4 + 3 H2SO4 +5H2O2 → 2MnSO4 + K2SO4 + 5O2 +8H20 Products: Manganese (II) sulfate (2MnSO4) Potassium sulfate (K2SO4) Oxygen Water |
| Potassium Permanganate reacts with Sulfuric Acid | 2KMnO4 + 3H2SO4 → K2SO4 + 2MnSO4 + 3H2O + 5O2 Products Potassium sulfate (K2SO4) manganese heptoxide (2MnSO4) water |
| Flame test color of Potassium Permanganate | Lilac |
| Potassium Permanganate Pharmaceutical uses | 1 Antidote in barbiturates 2 Antidote in chloral hydrate 3 Antidote in alkaloidal poisoning 4 Gastric wash, oxidizes poison and prevents their absorption in 1:5000 solution 5 Mild antiseptic |
| What will happen if Potassium Permanganate comes in contact with oxidized agents? | Explosion (Inflammable) |
| Decomposition of Potassium Permanganate when heated at 240C | 2KMnO4 → K2MnO4 + MnO2(s) + O2 |