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Wrong statement among the following is...

Wrong statement among the following is

A

effective collisions are more if activation energy is less

B

zero order reaction proceeds at a constant rate independent of concentration or time

C

reaction with highest rate constant values have lowest activation energies

D

if initial concentration increases half life decreases in zero order

Text Solution

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The correct Answer is:
D
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AAKASH SERIES-CHEMICAL KINETICS-Objective Exercise - 1
  1. In a reaction, threshold energy is equal to

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  2. The value of activation energy for a chemical reaction primarily depen...

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  3. Wrong statement among the following is

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  4. The rate of a reaction triples when temperature changes from 20^(@)C t...

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  5. The temperature dependence on rate constant (k) of a chemical reaction...

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  6. For the reaction A+BhArrC+D, the forward reaction is exothermic. The a...

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  7. Collision theory satisfactorily explains

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  8. According to collision theory of reaction rates, the activation energy...

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  9. Increase in the concentration of the reactants leads to the change in

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  10. The population of activated molecules can be increased by A) increas...

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  11. Consider an endothermic reaction XtoY with the activation energies E(b...

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  12. An endothermic reactio AtoB ha s an activation energy as kKJ"mol"^(-1)...

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  13. Which of the following expkains the increase of reaction rate by a cat...

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  14. The plot of log k vs 1/T helps to calculate

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  15. The activation energy of a reaction can be determined by

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  16. Chemical reactions with very high E(a) values are generally

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  17. Pick the appropriate choice about collision theory of reaction rates. ...

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  18. The Arrhenius equation expressing the effect of temperature on the rat...

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  19. If the activation energy for the forward reaction is 150kJ mol^(-1) an...

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  20. In collision theory according to arrhenius plot, intercept is equal to

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