EASY
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According to the adsorption theory of catalysis, the rate of reaction increases because
(a)adsorption lowers the activation energy of the reaction
(b)concentration of reactant molecules at the active centres of the catalyst becomes high due to adsorption
(c)adsorption produces heat which increases the rate of reaction
(d)adsorption increases the activation energy of the reaction

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Important Questions on Surface Chemistry

HARD
List - Reaction | List - Catalyst | ||
The correct answer is:

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Column I | Column II | ||
---|---|---|---|
Catalyst | Product | ||
A. | P. | Polyethylene | |
B. | Q. | Ethanal | |
C. | R. | ||
D. | Iron Oxide | S. |

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MEDIUM
Match List with List
List (process) | List (catalyst) | ||
(a) | Deacon's process | (i) | |
(b) | Contact process | (ii) | |
(c) | Cracking of hydrocarbons | (iii) | |
(d) | Hydrogenation of vegetable oils | (iv) |
Choose the most appropriate answer from the options given below-

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