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7. Reaction Kinetics
✨This Session is According to PMDC MDCAT.
✨According to Your Province Book.
✨Explanation is given for Answers.
💫For any query , You can Contact us.
~Dr.Abdul Rehman
1. Which of the following reactions are usually slow? *
1 point
2. By increasing the concentration of reactants the rate of reaction: *
1 point
3. The increase in reaction rate as a result of increase in temperature from 10 k to 100 k is: *
1 point
4. The rate of reaction involving ions can be studied by: *
1 point
5. The specific rate constant of a chemical reaction is the rate of the reaction when the concentration of the reactants is: *
1 point
6. The 2nd order reaction becomes 1st order when: *
1 point
7. Hydrolysis of ethyl acetate into acetic acid and ethanol in the presence of mineral acid is: *
1 point
8. For a reaction A+B___C rate is given by Rate = [A] [B] hence the order of reaction is : *
1 point
9. The half life period of zero order reaction is equal to: *
1 point
10. For which reaction half life is inversely proportional to the initial concentration of reactants: *
1 point
11. Activation energy of a reaction: *
1 point
12. Ea appears as a potential energy hill between _____ for carrying out the reaction *
1 point
13. If Ef and Er are the activation energy of forward and reverse reactions the reaction is Known to be exothermic then: *
1 point
14. If the energy of the activated complex lies close to energy of reactants it means that reaction is: *
1 point
15. In some reactions a product formed acts as a catalyst. this phenomenon is called: *
1 point
16. What is the correct relation between rate and activation energy: *
1 point
17. Concentrated sugar solution under goes hydrolysis into glucose and fructose by an enzyme ______. *
1 point
18. Which of the following is correct about enzyme catalysts: *
1 point
19. The reaction rate in forward direction decrease with the passage of
time because: *
1 point
20. The influence of the temperature on reaction rate is predicted by: *
1 point
21. For which change of temperature the rate of reaction becomes double: *
1 point
22. The unit of rate constant is same as that of rate of reaction in: *
1 point
23. Rate of photochemical reactions donot change with the change in concentration of reactants what is the order of reaction: *
1 point
24. If the reactants or products of a chemical reaction can absorb ultraviolet visible or infrared radiation then the rate of a chemical reaction can be measured by: *
1 point
25. The study of rates of chemical reactions and the factors that effect the rates of chemical reactions is Known as: *
1 point
26. For exothermic reversible reaction activation energy for forward direction depends upon: *
1 point
27. If concentration time graph of a reactant indicate a constant half life then the order of reaction is : *
1 point
28. For which of the following order of the reaction rate of reaction is inversely proportional to the concentration reaction? *
1 point
29. Glucose is converted to ethanol by the enzyme present in the yeast : *
1 point
30. The rate law of reaction is Rate =k [A]2 [B] on doubling the concentration of both A and B rate increases by: *
1 point
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