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Define activation energy of a reaction....

Define activation energy of a reaction.

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It is the extra energy supplied to the reactant molecules to raise them to the level of threshold energy.
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ICSE-CHEMICAL KINETICS-EXERCISE (PART- II (DESCRIPTIVE QUESRTIONS) A. VERY SHORT ANSWER QUESTIONS (WITH ANSWERS ))
  1. Define threshold energy.

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

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  3. Define activation energy of a reaction.

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

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

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

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

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

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

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  10. How does a catalyst work?

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  11. State the rate law of chemical reactions.

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  12. What is an elementary reaction?

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  13. Define order of a reaction.

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  14. What is meant by molecularity of a reaction ?

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  15. For the reaction 2X to X2, the rate of reaction becomes three times w...

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  16. Why hydrolysis of ethyl acetate with NaOH follows second order kinetic...

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  17. Identify the reaction order from each of the following rate : k=2.3...

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  18. Identify the reaction order from each of the following rate : k=3.1...

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  19. Give one example of reaction in which order and molecularity are equal...

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  20. For which order of the reaction, the units of the rate constant are in...

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