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Heterogeneous Catalysis Video Lecture | CSIR NET Crash Course for Chemical Science - CSIR NET Chemical Science
FAQs on Heterogeneous Catalysis Video Lecture - CSIR NET Crash Course for Chemical Science - CSIR NET Chemical Science
| 1. What is heterogeneous catalysis? |  |
Ans. Heterogeneous catalysis is a type of catalysis where the catalyst is in a different phase from the reactants. In this process, the reactants are in one phase, such as a liquid or gas, while the catalyst is in a different phase, often a solid.
| 2. How does heterogeneous catalysis differ from homogeneous catalysis? | |
Ans. Heterogeneous catalysis involves a catalyst in a different phase from the reactants, while homogeneous catalysis involves a catalyst and reactants in the same phase. Heterogeneous catalysis is often used in industrial processes due to the ease of separating the catalyst from the products.
| 3. What are some examples of heterogeneous catalysis in industrial processes? | |
Ans. Some examples of heterogeneous catalysis in industrial processes include the use of metal catalysts in the production of ammonia, the use of metal oxides in the production of sulfuric acid, and the use of zeolites in the refining of petroleum.
| 4. How does the surface area of a catalyst affect its efficiency in heterogeneous catalysis? | |
Ans. The surface area of a catalyst is crucial in heterogeneous catalysis as it determines the number of active sites available for reactions to occur. A catalyst with a higher surface area will have more active sites, leading to increased efficiency in catalyzing reactions.
| 5. What are some challenges associated with heterogeneous catalysis? | |
Ans. Some challenges associated with heterogeneous catalysis include catalyst deactivation due to poisoning or fouling, difficulty in controlling selectivity in complex reactions, and the high cost of some catalysts. Researchers are continually exploring new materials and techniques to overcome these challenges in heterogeneous catalysis.
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Nov 22, 2024 Last updated |
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