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In some cases, it is found that large nu...

In some cases, it is found that large number of colliding molecules have energy more than threshold energy, yet the reaction is slow. Why ?

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It may be due to lack of proper orientation of the reactant molecules.
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ICSE-CHEMICAL KINETICS-EXERCISE (PART- II (DESCRIPTIVE QUESRTIONS) A. VERY SHORT ANSWER QUESTIONS (WITH ANSWERS ))
  1. What is the order of a reaction whose rate constant has the same units...

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  2. How is half-life period of a reaction is inversely proportional to ini...

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  3. In some cases, it is found that large number of colliding molecules ha...

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  4. In the reaction Ato B , if the concentration of A is plotted against t...

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  5. What is the rate determining step of a reaction?

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  6. The kinetics for the reaction, 2NO+2H2 to N2 + 2H2O is explained by t...

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  7. Write the rate law and order for the following reaction: AB2 +C2 ...

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  8. Define Elementary step in a reaction

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  9. What is the temperature coefficient?

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  10. What are effective collisions ?

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  11. Define threshold energy.

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  12. What is the effect of catalyst on the rate of reaction ?

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  13. Define activation energy of a reaction.

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  14. How is activation energy of a reaction affected? by using a catalys...

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  15. How is activation energy of a reaction affected by increasing the te...

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  16. In some cases, it is found that large number of colliding molecules ha...

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  17. The reaction 2 H2(g) + O2(aq) to 2 H2 O(l) is thermodynamically feasi...

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  18. The activation energy of a reaction is zero. Will the rate constant of...

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  19. Is there any participation of the catalyst in the chemical process?

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  20. How does a catalyst work?

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