JEE CHEMISTRY UNIT 08
QUIZ NO 4
TOTAL QUESTIONS = 20


1. The graph of [A] vs time for a zero-order reaction is


2. The order of a reaction is determined by


3. The dimension of the rate constant for a second-order reaction is


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


5. The rate of a reaction is directly proportional to the


6. In a pseudo-first-order reaction,


7. The time required for a first-order reaction to complete 75% is


8. In a first-order reaction, the time required to complete 75% of the reaction is


9. The rate constant of a reaction increases by a factor of 4 when the temperature is raised from 300 K to 310 K. The activation energy is approximately


10. The half-life of a first-order reaction is


11. The half-life of a first-order reaction is 10 minutes. The time required to complete 87.5% of the reaction is


12. For a reaction A + B → C, if doubling the concentration of A doubles the rate and doubling the concentration of B quadruples the rate, the overall order of the reaction is


13. The activation energy of a reaction is zero. The rate constant is


14. For a zero-order reaction, the rate of reaction


15. The Arrhenius equation relates the rate constant of a reaction to


16. If the rate of a reaction is independent of the concentration of reactants, it is


17. The unit of the rate constant for a first-order reaction is


18. The rate of a reaction doubles for every 10°C rise in temperature. This is due to


19. The reaction A → B + C follows a first-order rate law. If the initial concentration of A is 1 M, the concentration of A after one half-life is


20. The slope of the plot ln(k) vs 1/T gives



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