Catalytic Properties
Transition metals act as good catalysts because they:
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About This Question
- Subject
- chemistry
- Chapter
- d- and f-block elements
- Topic
- catalytic properties
- Difficulty
- Easy
- Year
- 2025
Solution
Correct Answer:
All of these
Transition Metals and their compounds are excellent catalysts due to several factors:
- Variable Oxidation States: They can easily change oxidation states to pick up/give electrons, facilitating redox pathways.
- Intermediate Formation: They can combine with reactants to form transition complexes with lower activation energy.
- Surface Area: As solids, they provide a large surface area for adsorption, increasing the local concentration of reactants and weakening their bonds.
- Examples: Fe in Haber's process, V2O5 in Contact process, and Ni in hydrogenation.
This easy difficulty chemistry question is from the chapter d- and f-block elements, covering the topic of catalytic properties. It appeared in the 2025 exam.
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