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Explain why H2 and O2 do not combine wit...

Explain why `H_2` and `O_2` do not combine with each other at room temperture.

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USHA PUBLICATION-CHEMICAL KINETICS-EXERCISE
  1. The ratio between the rate constants at two different temperature diff...

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  2. For a 1st order reaction when rate of reaction is plotted conc. of rea...

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  3. Explain why H2 and O2 do not combine with each other at room tempertur...

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  4. Define catalyst. Give an example.

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  5. The ratio between the rate constants at two different temperature diff...

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  6. Explain, how a -ve catalyst decreases the rate of reaction, giving the...

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  7. What do you mean by autocatalyst ?

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  8. Why in most of the cases the rate of reaction decreases with progress ...

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  9. On the basis of activation energy how can you explain slow and fast re...

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  10. Write the integrated rate equation for 1st order reaction.

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  11. Give an example of 1st order reaction

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  12. Give two characteristics of zero order reaction.

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  13. Explain why powdered sugar dissolves faster in water than crystalline ...

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  14. Define pseudofirst order reaction.

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  15. Give a comparison between molecularity and order of a reaction.

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  16. Define half life of a reaction.

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  17. Explain, how a catalyst increases the rate of reaction, giving the rea...

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  18. Define threshold energy.

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  19. What is life time of a reaction ?

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  20. Why does 'Zn' dust react faster with dil. HCl than 'Zn' granules ?

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