IIT JEE : Rates Of Chemical Reactions And Chemical Kinetics QUESTIONS AND ANSWERS :: part2 : 11 to 15
Following IIT JEE Entrance Multiple choice objective type questions and answers will help you in Maths, Physics and Chemistry 2024 examinations :
11.A catalyst |
| increases the free energy change in the reaction |
| decreases the free energy change in the reaction |
| does not increase or decrease the free energy change in the reaction |
| may increase or decrease the free energy change in the reaction. |
12.In which case the per cent increase in the rate will be maximum, when temperature is increased from 298 to 308 K. In case of the reaction having activation energy is |
| 40 kJ |
| 50 kJ |
| 60 kJ |
| 20 kJ. |
13.Units of rate constant depend on |
| number of reactants and products |
| number of reactants |
| order of reaction |
| concentration of reactants |
14.Which of the following statements is not true? |
| Areaction having fractional order must be a complex reaction. |
| Order of the reaction is determined from experimental data. |
| Molecularity of a reaction mayt be equal to three. |
| Order of a reaction does not tell us anything about mechanism of the reaction. |
15.The addition of a catalyst to the reaction system |
| increases the rate of forward reaction only |
| increases the rate of reverse reaction |
| increases the rate of forward but decreases the rate of backward reaction |
| increases the rate of forward as well as backward reaction equally. |
More Rates Of Chemical Reactions And Chemical Kinetics QUESTIONS AND ANSWERS available in next pages
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