IIT JEE : Rates Of Chemical Reactions And Chemical Kinetics QUESTIONS AND ANSWERS :: part1 : 1 to 5
Following IIT JEE Entrance Multiple choice objective type questions and answers will help you in Maths, Physics and Chemistry 2024 examinations :
1.Half-life period of a second order reaction is |
| independent of the concentration |
| directly proportional to the initial conc. |
| inversely proportional to conc. |
| directly proportional to the conc. |
2.According to collision theory |
| all collisions are ineffective |
| all collisions cause energy loss |
| collisions are violent |
| only highly energetic molecules have enough energy to react |
3.75% of a radioactive element disintegrates in 6 days. Its half-life is |
| 6 days |
| 3 days |
| 2 days |
| 18 days |
4.The effect of temperature on the rate of reaction is given by |
| Gibbs equation |
| Van der Walls equation |
| Freundlich equation |
| Arrhenius equation |
5.In 1.2 years half of 128 mg of a radioactive isotope decays. The amount left after 6 years will be |
| 32 mg |
| 16 mg |
| 3 mg |
| 4 mg |
More Rates Of Chemical Reactions And Chemical Kinetics QUESTIONS AND ANSWERS available in next pages
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