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A chemical reaction is catalysed by a ca...

A chemical reaction is catalysed by a catalyst hence the catalyst 

A

increases the activation energy

B

does not effect the equilibrium constant of a reaction

C

reduces enthalpy of the reaction

D

decreases rate constant of the reaction

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The correct Answer is:
B
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AAKASH SERIES-SURFACE CHEMISTRY-PRACTICE EXERCISE
  1. Which type of metals form effective catalyst?

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  2. Which process does not involve a catalyst?

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

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  4. The incorrect statement among the following

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  5. The Brownian motion is due to:

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

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

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

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  9. Smoke is an example of

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

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

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

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  13. Which one of the followings is correctly matched ?

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

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  15. Gold numbers of protective colloids A,B, C and D are 0.50, 0.01, 0.10,...

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  16. The property of colloidal suspension used to determine the nature of c...

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  17. The diffusion of particles in colloid is

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  18. Butter is a colloid. It is formed when

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  19. When a colloidal solution is observed under an ultra microscope, we ca...

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  20. Which one of the following constitues irreversible colloidal system wi...

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