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CUET-UG Chemistry Test: Chemical Kinetics
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CUET-UG Chemistry Test: Chemical Kinetics
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25 Questions

1. Which of the following statement is not correct for the catalyst?
[NCERT Exemplar]
2. The unit of rate constant depends upon the:
3. What is the rate law for acid hydrolysis of an ester such as CH3COOC2H5 in aqueous solution?
4. The slope in the plot of ln [R] vs. time gives:
5. Which of the following is not a direct factor affecting the rate of a reaction?
6. A first-order reaction was completed 70 percent in 20 minutes. What is the rate constant of the reaction?
7. Which of the following laws state that the rate of a chemical reaction is directly proportional to the concentration of reactants?
8. The one which is unimolecular reaction is:
9. Which of the following statement is correct?
[NCERT Exemplar]
10. What is the rate law for acid hydrolysis of an ester such as CH3COOC2H5 in aqueous solution?
11. How much time does it take for reactants to reduce to 3/4 of initial concentration if the rate constant is 7.5 × 10-3 s-1?
12. The role of a catalyst is to change ________.[NCERT Exemplar]
13. What happens to the rate of the reaction on increasing its temperature?
14. The value of rate constant of a pseudo first order reaction _______.[NCERT Exemplar]
15. The role of a catalyst is to change ________.[NCERT Exemplar]
16. The unit of rate constant depends upon the:
17. The decomposition of N2O5 in CCl4 solution was studied. N2O5 - ' ٢NO2 + O2. The rate constant of the reaction is 6.2 × 10- ' 4 sec- '1. Calculate the rate when the concentration of N2O5 is ١.٢٥ molar.
18. A first-order reaction was completed 70 percent in 20 minutes. What is the rate constant of the reaction?
19. The decomposition of N2O5 in CCl4 solution was studied. N2O5 - ' ٢NO2 + O2. The rate constant of the reaction is 6.2 × 10- ' 4 sec- '1. Calculate the rate when the concentration of N2O5 is ١.٢٥ molar.
20. Which of the following statement is not correct for the catalyst?
[NCERT Exemplar]
21. Which of the following is a factor that automobile engines use to increase the rate of its internal reactions?
22. How much time does it take for reactants to reduce to 3/4 of initial concentration if the rate constant is 7.5 × 10-3 s-1?
23. In the presence of a catalyst, the heat evolved or absorbed during the reaction ________. [NCERT Exemplar]
24. For the reaction A + H2O - ' products, find the rate of the reaction when [A] = 0.75 M, k = 0.02.
25. The slope in the plot of ln [R] vs. time gives: