GRE Exam > GRE Videos > Chemistry for GRE Paper II > Collision theory
Collision theory Video Lecture | Chemistry for GRE Paper II
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FAQs on Collision theory Video Lecture - Chemistry for GRE Paper II
| 1. What is collision theory? |  |
Ans. Collision theory is a concept in chemistry that explains how chemical reactions occur. It states that for a reaction to take place, particles must collide with sufficient energy and proper orientation.
| 2. How does collision theory explain the rate of chemical reactions? | |
Ans. Collision theory states that the rate of a chemical reaction depends on the frequency of effective collisions between reactant particles. The more frequent and energetic the collisions, the faster the reaction rate.
| 3. What factors affect the collision frequency and energy in a chemical reaction? | |
Ans. Several factors influence the collision frequency and energy in a chemical reaction. These include temperature, concentration of reactants, surface area, and the presence of catalysts. Higher temperature, concentration, and surface area increase collision frequency and energy, while catalysts lower the activation energy required for effective collisions.
| 4. How does temperature affect collision theory and chemical reactions? | |
Ans. According to collision theory, increasing the temperature increases the kinetic energy of particles, leading to more frequent and energetic collisions. This, in turn, enhances the reaction rate. Additionally, higher temperatures also increase the number of reactant particles with sufficient energy to overcome the activation energy barrier.
| 5. Can collision theory be applied to all types of chemical reactions? | |
Ans. Collision theory can be applied to most chemical reactions involving the collision of particles. However, it may not fully explain reactions that proceed through alternative mechanisms such as those involving intermediate steps or complex reaction pathways. In such cases, additional theories or concepts may be required to understand the reaction kinetics fully.
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Nov 23, 2024 Last updated |
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