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Preparation of Pure Sample of Potassium Trioxalatoferrate (III) Video Lecture - Class 12

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1. What is potassium trioxalatoferrate (III)?

Ans. Potassium trioxalatoferrate (III) is a complex salt that contains the cation potassium (K+) and the anion trioxalatoferrate (III) [Fe(C2O4)3]3-. It is commonly used in chemical research and laboratory experiments.

2. How can I prepare a pure sample of potassium trioxalatoferrate (III)?

Ans. To prepare a pure sample of potassium trioxalatoferrate (III), you can start by dissolving a known amount of iron(III) chloride hexahydrate [FeCl3·6H2O] in distilled water. Then, add oxalic acid (H2C2O4) to the solution until no further precipitation occurs. Finally, add potassium hydroxide (KOH) to the solution to precipitate the potassium trioxalatoferrate (III) salt. The resulting precipitate can be collected, washed, and dried to obtain a pure sample.

3. What are the applications of potassium trioxalatoferrate (III)?

Ans. Potassium trioxalatoferrate (III) has several applications in chemical research and analysis. It is commonly used as a reagent in redox titrations, particularly for the determination of hydrogen peroxide. It can also be used as an oxidizing agent in organic synthesis reactions. Additionally, potassium trioxalatoferrate (III) has been studied for its potential application in catalysis and as an electrode material in lithium-ion batteries.

4. Are there any safety precautions to consider when working with potassium trioxalatoferrate (III)?

Ans. Yes, when working with potassium trioxalatoferrate (III), it is important to follow appropriate safety precautions. The compound may be harmful if ingested, inhaled, or comes into contact with the skin or eyes. It is advisable to wear protective gloves, goggles, and a lab coat when handling this substance. Proper ventilation should also be ensured to prevent inhalation of fumes. Any spills should be cleaned up promptly and waste should be disposed of according to the appropriate regulations.

5. Can potassium trioxalatoferrate (III) be synthesized using alternative methods?

Ans. Yes, there are alternative methods to synthesize potassium trioxalatoferrate (III). One such method involves the reaction between potassium oxalate (K2C2O4) and iron(III) chloride (FeCl3) in the presence of sulfuric acid (H2SO4). This reaction produces potassium trioxalatoferrate (III) along with other byproducts. However, the method described in the article is commonly used due to its simplicity and effectiveness in obtaining a pure sample of the compound.

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Jan 11, 2025 Last updated

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