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A substance which itself is not a cataly...

A substance which itself is not a catalyst but………….. .the reactivity of a catalyst is called a promoter and the one which reduces the activity is called…………for the catalyst.

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increase, poison
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CENGAGE CHEMISTRY-CHEMICAL KINETICS-Exercises Fill In The Blanks
  1. N(2)O(5) decomposes according to equation, 2N(2)O(5) rarr 4 NO(2)+O(...

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  2. For a relatively fast reaction, the rate constant is relatively………….an...

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  3. A substance which itself is not a catalyst but………….. .the reactivity o...

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  4. A catalyst accelerates the reaction by……… the activation energy of the...

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  5. According to…………..theory of catalyiss, there are some……….centres with…...

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  6. In autocatalyiss, one of the…………….of the itself acts as a……….. .

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  7. Hydrogeneration of oils (manufacture of vegetable ghee) is carried out...

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  8. The half-change time for a first order reaction is 20 min hence the ra...

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  9. For a first order reaction, t(1//2) = underset(k)ul(...........).

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  10. For a first order reaction, A rarr B, the rate = k xx…………. .

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  11. The unit of first order rate constant is ………….. .

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  12. The unit of first order rate constant when concentration is measured i...

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  13. ……………………… reaction obeys the expresison t(1//2) = 1//ka in chemical ki...

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  14. The half-life periof of a first order reaction is…………..of initial conc...

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  15. A first order reaction has t(1//2) = 6.93 min. The rate constant is………...

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  16. The rate first order reaction is 2.4 xx 10^(-3) mol L^(-1) s^(-1), whe...

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  17. The rate of a second order reaction is 6 xx 10^(-5) mol L^(-1) s^(-1),...

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  18. The temperature coefficient of a reaction is determined by comparing v...

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  19. The value of temperatuer coefficient is usually………………. .

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  20. The reactions having low activation energy are……………reactions.

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