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According produces to the adsorption the...

According produces to the adsorption theory of catalysis, the speed of the reaction increases because

A

The concentration of the reactant molecules at the active centres of the catalyst becomes high due to adsorption

B

In the process of adsorption, the activation energy of the molecules becomes large

C

Adsorption produces heat which increases the speed of reaction

D

Adsoption lowers the activation energy of the reaction

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The correct Answer is:
D
In catalysis process lowers the Activation energy
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AAKASH SERIES-SURFACE CHEMISTRY-LEVEL - II (LECTURE SHEET) (EXERCISE - I)(SINGLE & ONE OR MORE THAN ONE CORRECT ANSWERS)
  1. In the adsorption of acetic acid by charcoal which of the following st...

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  2. Calculate the surface area of a catalyst that adsorbs 10^3 cm^3 of N2 ...

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  3. In Langmuir's model of adsorption of a gas on a solid surface

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  4. Bredig arc method cannot be used to prepare colloidal solution of whic...

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  5. Assosiated colloids

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  6. The gold number of some colloids are given below {:("Colloid ","Gold...

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  7. Artificial rain is caused by spray of

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  8. Which one is an example of micelle system

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  9. Which statement is correct ?

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  10. Emulsifiers are generally

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  11. According produces to the adsorption theory of catalysis, the speed of...

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  12. Following are the events taking place to explain adsorption theory I...

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  13. The effeciency of an enzyme in catalysing a reaction is due to its cap...

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  14. In the reaction of autocatalysis, the variation of concentration with ...

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  15. Zeolites are

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  16. The activity and selectivity of zeolites as catalysts is based on

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  17. Which one of the following statements about zeolite is true

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  18. The correct statement(s) to the adsorption of a gas on a solid surface...

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  19. The given graph/data I, II, III and IV represent general trends for di...

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  20. Choose the correct reason(s) for the stability of the lyophobic colloi...

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