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A large increase in the rate of a reacti...

A large increase in the rate of a reaction for a rise in temperature is due to :

A

increase in the number of collisions

B

the increase in the number of activated molecules

C

the shortening of mean free path

D

the lowering of activation energy

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The correct Answer is:
B
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GRB PUBLICATION-CHEMICAL KINETICS-F. Effect of Temperature and Catalyst
  1. Rate of which reaction increase with temperature:

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  2. For a zero order reaction. Which of the following statement is false:

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  3. A large increase in the rate of a reaction for a rise in temperature i...

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  4. The first order rate constant k is related to temperature as log k=15....

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  5. The decomposition of N(@)O into N(2) and O(2) presence of gaseous argo...

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  6. How much faster would a reaction proceed at 25^(@)C than at 0^(@)C if ...

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  7. The rate constant, the activation energy and the frequency factor of a...

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  8. For a given reaction, energy of activation for forward reaction (E(af)...

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  9. Which of the following statement is correct regarding enthalpy of reac...

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  10. For a reaction XrarrY, heat of reaction is + a kJ, potential energy of...

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  11. Consider the following reactions at 300 K. A rarr B (uncatalysed rea...

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  12. If it known that out every 5 collisions, 1 has appropriate orientation...

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  13. For a simple reaction A to B it is observed that % of activated molecu...

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  14. Identify the statement which is correct from the following

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  15. The rate of a catalysed reaction at 27^(@)C is e^(2) times the rate of...

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  16. The desorption of gas molecules from the adsorbent surface obeys Arrhe...

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  17. Temperature coefficient of a reaction at 300 K is 2. Neglected variati...

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  18. Reaction -1:A to C " " k(1)=10^(10) e^(-500//T) Reactions -2: BtoD...

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  19. The role of catalyst is to change:

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  20. A first order reaction is catalysed by a catalyst which decreases acti...

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