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According to the adsoption theory of cat...

According to the adsoption theory of catalysis ,the speed of the reaction increases because:

A

In the process of adsorption, the concentration of the molecules decreases at the surface of catalyst

B

Adsorption produces heat which increases the speed of the reaction

C

Adsorption lowers the activation energy of the reaction

D

Adsorption increases the activation energy of the reaction

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The correct Answer is:
C
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AAKASH INSTITUTE ENGLISH-MOCK TEST 21-Example
  1. In an adsorption experiment, a graph of log(x/m) versus log P was foun...

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  2. which gas will be adsorbed on a solid to greater extent ?

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  3. According to the adsoption theory of catalysis ,the speed of the react...

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  4. Which of the following justify the enthalpy driven spontaneity of adso...

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  5. Choose the incorrect statement pertaining to the adsorption of gas on ...

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  6. Among the following, the surfactant that will form micelles in aqueou...

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  7. Which of the following is lyophilic sol?

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  8. Which of the following is an incorrect statement?

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  9. a finely divided substance more effective as an adsorbent (T/F)

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  10. Which of the following methods could be employed for the preparation ...

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  11. Surface tension of lyophobic sols is usually

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  12. Which of the following is true with respect to chemical adsorption (ch...

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  13. 10 % sites of catalyst bed have adsorbed by H(2) on Heating H(2) gas i...

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  14. In Bredig's arc method an electric arc is struck between the metal ele...

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  15. The electrical charge on the the colloidal particles is indicated by

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  16. The gold number of protective colloids A,B,C and D are 0.02, 0.002, 10...

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  17. For the coagulation of 40ml of ferric hydroxide sol, 10ml of 0.4 M KCI...

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  18. Which of the following given statements is/are correct? (a) cold crea...

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  19. Range the following electrolytes in the increasing order of coagulatin...

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  20. The factors responsible for the stability of lyophilic sols are

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