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Which is not correct for hetergeneous ca...

Which is not correct for hetergeneous catalysis? 

A

The catalyst decreases the energy of activation

B

The surface of catalyst plays an important role

C

The catalyst actually forms a compound with reactants

D

There is no change in the energy of activation

Text Solution

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The correct Answer is:
D
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AAKASH SERIES-SURFACE CHEMISTRY-PRACTICE EXERCISE
  1. Which characteristic is not correct for physical adsorption?

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  2. Adsorption of a gas on solid metal surface is spontaneous and exotherm...

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  3. Which is not correct for hetergeneous catalysis?

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  4. Which explains the effect of a catalyst on the rate of a reversible re...

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  5. KCIO(3) on heating decomposes into KCl and O(2). If some MnO(2) is add...

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  6. Pick up the incorrect statement

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  7. Which type of metals form effective catalyst?

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  8. Which process does not involve a catalyst?

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  9. A chemical reaction is catalysed by a catalyst hence the catalyst

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  10. The incorrect statement among the following

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  11. The Brownian motion is due to:

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  12. Which of the following is not shown by sols?

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  13. The movement of sol particles under an appled electric field is called...

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  14. The average size of the colloids is of the order

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  15. Smoke is an example of

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  16. Gelatin is often used as an ingredient in the manufacture of ice-cream...

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  17. The separation of colloidal particles (or purification of sol) from pa...

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  18. The arsenious sulphide sol has negative charge. The maximum coagulatin...

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  19. Which one of the followings is correctly matched ?

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  20. Which one of the following methods is commonly used for destruction of...

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