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Why aren't the fuels ignited on their ow...

Why aren't the fuels ignited on their own though there is a large amount of oxygen in the air?

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Since the activation energy for the ignition of the fuel is very high at room temperature , they do not ignite on their own
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CHHAYA PUBLICATION-CHEMICAL KINETICS-SOLVED NCERT EXEMPLAR PROBLEMS (Short Answer Type)
  1. Under what conditions will a bimolecular reaction be of the first orde...

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  2. For a zero order reaction, 2A+BrarrC write its rate equation.

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  3. How will you determine the rate-equation of the following reaction: 2...

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  4. Order and molecularity are the same for what type of reactions?

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  5. If the concentration of a reactant A of a reaction is tripled, the rat...

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  6. Write the equation for the time required for a zero order reaction to ...

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  7. For a reaction, A+BrarrC Product, the rate equation is =k[A][B]^(3//...

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  8. For a certain reaction, though most of the molecules possess energy g...

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  9. For a general reaction ArarrB form the graph of concentration of A vs...

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  10. For a general reaction Ararra form the graph of concentration of A vs...

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  11. For a general reaction rarrB form the graph of concentration of A vs t...

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  12. H(2)(g) and O(2)(g) have a very strong tendency to react with each o...

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  13. Why does the rate of a reaction increase with rise in temperature?

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  14. Why aren't the fuels ignited on their own though there is a large amou...

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  15. Trimolecular reactions are very rare. Explain.

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  16. Why does the rate of a reaction keep decreasing as the reaction advanc...

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  17. Explain with the help of an example, 'the rate of a chemical reaction ...

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  18. In the redox titration, why is it important to warm the oxalic acid be...

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  19. Can the molecularity of a reaction be zero? Explain with example.

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  20. 'Molecularity' applies only to elementary reactions However 'order' a...

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