What are the characteristics associated with adsorption?
1. ∆G, ∆H, and ∆S are all negative.
2. ∆G and ∆H are negative, but ∆S is positive.
3. ∆G and ∆S are negative, but ∆H is positive.
4. ∆G is negative, but ∆H and ∆S are positive.

Subtopic:  Adsorption and Absorption |
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A plot of log x/m versus log p for the adsorption of a gas on a solid gives a straight line with slope equal to :

1. log k

2. n

3. 1n

4. log 1/k

Subtopic:  Adsorption and Absorption | Adsorption Isotherm |
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According to the adsorption theory of catalysis, the speed of the reaction increase because:

1. The concentration of reactant molecules at the active centers of the catalyst becomes high due to adsorption
2. In the process of adsorption, the activation energy of the molecules becomes large
3. Adsorption produces heat which increases the speed of the reaction
4. Adsorption lowers the activation energy of the reaction
Subtopic:  Adsorption and Absorption |
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Which is not correct regarding the adsorption of a gas on the surface of solid: -

1. On increasing temperature adsorption increase continuously
2. Enthalpy & entropy change is negative
3. Adsorption is more for some specific substance
4. Reversible

Subtopic:  Adsorption and Absorption |
To view explanation, please take trial in the course below.
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology