JEE Exam > JEE Videos > Chemistry for JEE Main & Advanced > Rate of a Reaction
Rate of a Reaction Video Lecture | Chemistry for JEE Main & Advanced
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FAQs on Rate of a Reaction Video Lecture - Chemistry for JEE Main & Advanced
| 1. What is the definition of the rate of a reaction? |  |
Ans. The rate of a reaction refers to how quickly reactants are converted into products or how quickly the concentration of reactants changes over time. It is a measure of how fast a chemical reaction occurs.
| 2. How is the rate of a reaction determined? | |
Ans. The rate of a reaction can be determined by measuring the change in concentration of a reactant or product over a specific time interval. This can be done by monitoring changes in color, pressure, volume, or conducting experiments at different temperatures.
| 3. What factors can affect the rate of a reaction? | |
Ans. Several factors can affect the rate of a reaction, including temperature, concentration of reactants, surface area, presence of a catalyst, and the nature of the reactants. Increasing temperature, concentration, and surface area generally increase the rate of a reaction, while the presence of a catalyst can speed up the reaction without being consumed.
| 4. How is the rate of a reaction represented mathematically? | |
Ans. The rate of a reaction is represented mathematically by the formula:
Rate = Δ[A]/Δt = -Δ[B]/Δt = Δ[C]/Δt = -Δ[D]/Δt
where [A], [B], [C], and [D] are the concentrations of reactants or products, and Δt is the change in time.
| 5. Can the rate of a reaction be zero? | |
Ans. Yes, the rate of a reaction can be zero. This occurs when the concentrations of reactants or products do not change over time, indicating that the reaction has reached a state of equilibrium. At equilibrium, the forward and reverse reactions occur at the same rate, resulting in a net rate of zero.
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Dec 26, 2024 Last updated |
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