ECAT Chemistry Reaction Kinetics Test Online

Chemistry Reaction Kinetics MCQS Online Test

ECAT Chemistry Reaction Kinetics Chapter Online Test

Total Questions: 165
Time Allowed: 60 Minutes
Total Marks: 165
How to Attempt Test: Please choose the right Option in MCQ-type question.
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ECAT Chemistry Reaction Kinetics Test

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Chemistry

1. 75% of a first order reaction was completed in 32 minutes. When was 50% of the reaction completed?

2. Which of the following statement regarding catalyst is not true?

3. Rancidity produced in butter can be decreased by adding Quinoline to the butter. The statement shows that

4. An excess of aqeous AgNO₃ is added to aqueous barium chloride and precipitate is removed by filtration. What are the main ions in the filtrate

5. The rate of reaction

6. In a reversible reaction, two substance are in equilibrium. If the concentration of each one is reduced to half, the equilibrium constant will be

7. Under a given set of experimental condition, with increase in the concentration of the reactants the rate of

8. Which of the following is the property of inhibitors?

9. A catalyst can be deactivated by the presence of even a small amount of impurity. This is called

10. The chemical method used for determination of the rate of reaction is

11. What is the time required for a first order reaction to be 99% complete, compared to the time taken for the reaction to be 90% complete?

12. Which of the following is a characteristic of a reversible reaction?

13. 3 mole of reactant A and one mole of reactant B are mixed in a vessel of volume 1 liter. The reaction taking place is A + B ⇌ 2C. If 1.5 mol of C is formed at equilibrium, the value of Kc is

14. Oxidation of oxalic acid by acidified KMnO₄ is an example of autocatalysis, it is due to which of the following?

15. Agcl dissolved with concentration (Z x 10¯²) Ksp will be

16. The dimension of rate constant of a second order reaction involves

17. Which of the following will not change the concentration of ammonia in the equilibrium N₂(g) + 3H₂(g) ⇌ 2NH₃(g); ∆H = -x kJ

18. When a reaction proceeds in a sequence of steps, the overall rate is determined by

19. The activation energy for a reaction is 90 keal mol¯¹ the approximate increase in rate constant, when it’s temp is increased from 300K to 310K is

20. The rate of reaction between A and B increases by a factor of 100, when the concentration with respect to A is increased 10 folds, the order of reaction w.r.t. A is

21. The experimental relationship between a reaction rate and concentration of reactants is called

22. An example of autocatalytic reaction is

23. A scientist prepared compound in laboratory. He found that is has two forms. One amorphous from A and another crystalline from C., Both A and C reacts with sulphuric acid. One possible prediction is that

24. 4.5 moles each of hydrogen and iodine heated in a sealed ten liter vessel. At equilibrium 3 moles of HI were found. The equilibrium constant for H₂(g) + I₂(g) ⇌ 2HI(g) is

25. Temperature coefficient of a reaction is 2. When temperature is increased form 30°C to 100°C, rate of the reaction increases by


 

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