JEE CHEMISTRY UNIT 08
QUIZ NO 1
TOTAL QUESTIONS = 20


1. The rate of a chemical reaction depends on;Concentration of reactants;Temperature;Presence of a catalyst;All of the above;D


2. The collision theory of reaction rates assumes that


3. Which of the following does not affect the rate of a chemical reaction?


4. Which of the following factors does not affect the rate of a chemical reaction?


5. The rate of a chemical reaction is determined by


6. The rate constant of a reaction at 500 K is 10^-3 s^-1, and at 600 K, it is 10^-2 s^-1. The activation energy of the reaction is approximately


7. For a reaction A → B, the rate constant k has units mol L^-1 s^-1. The order of the reaction is


8. The Arrhenius equation relates


9. The rate constant of a reaction is 2.5 × 10^-4 s^-1. The reaction is of


10. Which of the following is true for a catalyst?


11. In a zero-order reaction, the rate of reaction is


12. Which of the following plots represents a first-order reaction?


13. The unit of the rate constant for a zero-order reaction is


14. The rate law for a reaction is Rate = k[A][B]^2. If the concentration of A is tripled and B is doubled, the rate increases by a factor of


15. A catalyst increases the rate of reaction by


16. The units of the rate constant for a second-order reaction are


17. The half-life of a zero-order reaction is proportional to


18. The rate constant of a reaction increases with increase in temperature because


19. The activation energy of a reaction is


20. The half-life of a zero-order reaction is proportional to



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