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Complexometric Titrations Video Lecture - Chemistry
FAQs on Complexometric Titrations Video Lecture - Chemistry
| 1. What is complexometric titration? |  |
Ans. Complexometric titration is a type of volumetric analysis technique used to determine the concentration of metal ions in a solution. It involves the formation of a complex between the metal ion and a chelating agent, which acts as the titrant. The formation of the complex is indicated by a color change or the use of an indicator.
| 2. What are the advantages of complexometric titration? | |
Ans. Complexometric titration offers several advantages. Firstly, it is highly selective and can differentiate between different metal ions in a mixture. Secondly, it is a relatively simple and rapid technique, making it suitable for routine analysis. Additionally, it can be used for both qualitative and quantitative analysis of metal ions.
| 3. What are chelating agents in complexometric titration? | |
Ans. Chelating agents are organic compounds that have multiple coordinating groups capable of forming complex bonds with metal ions. In complexometric titration, chelating agents are used as the titrant to react with the metal ions of interest. Examples of chelating agents include ethylenediaminetetraacetic acid (EDTA) and diethylenetriaminepentaacetic acid (DTPA).
| 4. How is the endpoint determined in complexometric titration? | |
Ans. The endpoint in complexometric titration is typically determined using a metal ion indicator. This indicator forms a colored complex with the metal ions being titrated. As the chelating agent is added, the indicator will undergo a color change that indicates the formation of the metal-complex. The point at which the color change is observed is the endpoint of the titration.
| 5. What are the applications of complexometric titration? | |
Ans. Complexometric titration finds various applications in analytical chemistry. It is commonly used for the determination of metal ions in water samples, such as the analysis of calcium and magnesium in hard water. It is also utilized in pharmaceutical analysis to determine the concentration of metal impurities in drugs. Additionally, complexometric titration is employed in the analysis of complex biological samples, such as the measurement of heavy metals in biological fluids.
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Dec 04, 2024 Last updated |
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