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Which requires catalyst ?...

Which requires catalyst ?

A

`S + O_(2) rarr SO_(2)`

B

`2SO_(2)+O_(2) rarr 2 SO_(3)`

C

`C+ O_(2) rarr CO_(2) `

D

All of these

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The correct Answer is:
B
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MARVEL PUBLICATION-SURFACE CHEMISTRY-MULTIPLE CHOICE QUESTIONS - STANDARD LEVEL (2. Catalysis)
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  2. The catalyst used in the manufacture of nitric acid by ammonia is

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  3. Which requires catalyst ?

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  4. In which of the following processes, platinum is used as a catalyst

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  5. In the contact process for manufacture of H(2) SO(4) one of the adsorb...

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  6. In the hydrogenation of oils to get vegetable ghee the adsorbent and t...

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  7. Metals like platinum and palladium can adsorb large volumes of hydroge...

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  8. Which is a characteristic of a catalyst ?

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  9. the process whichh is catalysed by one of the product is called

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  10. Which one of the following is an example of homogeneous catalysis ?

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  11. A catalyst increases rate of reaction by

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  12. The role of a catalyst in a reversble reaction is to

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  13. Which of the following kinds of catalysis can be explained by the adso...

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  14. A biological catalyst is

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  15. A certain reaction ocuurs in two steps as (I) 2SO(2(g))+2NO(2(...

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  16. In the decomposition of H(2) O(2), The concentration of colloidal plat...

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  17. Due to use of catalyst in reaction

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  18. Poisoning of catalyst means

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  19. In the chloroform solution, 2% ethanol is added, which acts as

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  20. Which of the following is not true for homogeneous catalysis ?

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