IIT JEE : Rates Of Chemical Reactions And Chemical Kinetics QUESTIONS AND ANSWERS :: part1 : 16 to 20
Following IIT JEE Entrance Multiple choice objective type questions and answers will help you in Maths, Physics and Chemistry 2024 examinations :
16.The minimum energy necessary to permit a reaction to occur is |
| Threshold energy |
| Activation energy |
| Molar energy |
| Free Energy |
17.In the case of unimolecular reaction, the time required for 99.9% of the reaction to take place is��times that required for half of the reaction. |
| 2 |
| 10 |
| 4 |
| 9 |
18.In homogeneous catalytic reaction, rate of reaction depends on |
| the concentration of catalyst |
| physical state of catalyst |
| the free energy change |
| none of above |
19.Law of Mass Action was suggested by |
| Le-Chatelier and Bronsted |
| Guldberg and Waage |
| Newton and Planck |
| Einstein |
20.Active mass represents |
| concentration in unit volume |
| number of collisions in one min |
| number of moles per ml |
| molar concentration per litre |
More Rates Of Chemical Reactions And Chemical Kinetics QUESTIONS AND ANSWERS available in next pages
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