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Chemical Kinetics (Advanced) - Practice Sheet Solution, Class 12, Chemistry - JEE PDF Download

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FAQs on Chemical Kinetics (Advanced) - Practice Sheet Solution, Class 12, Chemistry - JEE

1. What is chemical kinetics and why is it important in chemistry?
Ans. Chemical kinetics is the study of the rates at which chemical reactions occur and the factors that influence these rates. It is important in chemistry because it helps us understand how quickly reactions proceed and provides insight into the underlying molecular mechanisms involved.
2. What are the factors that affect the rate of a chemical reaction?
Ans. Several factors can affect the rate of a chemical reaction, including temperature, concentration of reactants, surface area, presence of a catalyst, and the nature of the reactants and their physical state.
3. How can the rate of a chemical reaction be determined experimentally?
Ans. The rate of a chemical reaction can be determined experimentally by measuring the change in concentration of reactants or products over time. This can be done using techniques such as colorimetry, spectrophotometry, or titration.
4. What is the rate law of a chemical reaction and how is it determined?
Ans. The rate law expresses the relationship between the rate of a reaction and the concentrations of reactants. It can be determined experimentally by conducting a series of experiments where the initial concentrations of reactants are varied and the rate of reaction is measured. By comparing the rate data, the order of reaction with respect to each reactant can be determined.
5. What is activation energy and how does it influence the rate of a chemical reaction?
Ans. Activation energy is the minimum amount of energy required for a chemical reaction to occur. It influences the rate of a reaction by determining the number of reacting molecules that have enough energy to overcome the energy barrier and undergo a successful collision. A higher activation energy generally leads to a slower reaction rate.
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