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Rate of a Reaction Video Lecture | Physical Chemistry for NEET

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FAQs on Rate of a Reaction Video Lecture - Physical Chemistry for NEET

1. What is the rate of a reaction?
Ans. The rate of a reaction refers to how quickly or slowly a chemical reaction takes place. It is determined by the change in concentration of reactants or products per unit of time.
2. How is the rate of a reaction measured?
Ans. The rate of a reaction can be measured by various methods. One common method is to monitor the change in concentration of reactants or products over time using spectrophotometry or titration techniques.
3. What factors can affect the rate of a reaction?
Ans. Several factors can influence the rate of a reaction, including temperature, concentration of reactants, surface area of the reactants, presence of a catalyst, and the nature of the reactants (such as their reactivity or physical state).
4. How does temperature affect the rate of a reaction?
Ans. Increasing the temperature generally increases the rate of a reaction. This is because higher temperatures provide more kinetic energy to the reactant particles, allowing them to move faster and collide more frequently, leading to a higher rate of successful collisions and thus a faster reaction.
5. What is a catalyst and how does it affect the rate of a reaction?
Ans. A catalyst is a substance that increases the rate of a chemical reaction without being consumed in the process. It works by providing an alternative reaction pathway with lower activation energy, allowing more reactant particles to overcome the energy barrier and participate in the reaction. Catalysts can significantly speed up reactions and are often used in industrial processes.
117 videos|225 docs|239 tests
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