Which curve represents Freundlich's adsorption isotherm?
1. | 2. | ||
3. | 4. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following process is not responsible for the presence of electric charge on the sol particles?
1. Electron capture by sol particles
2. Adsorption of ionic species from solution
3. Formation of Helmholtz electrical double layer
4. Absorption of ionic species from solution
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe phenomenon that is applicable to the process shown in the figure is :
1. Absorption
2. Adsorption
3. Coagulation
4. Emulsification
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe correct statements among the following are:
a. | Micelle formation by soap in an aqueous solution is possible at all temperatures |
b. | Micelle formation by soap in an aqueous solution occurs above a particular concentration |
3. | On dilution of soap solution micelles may revert to individual ions |
4. | Soap solution behaves like a normal strong electrolyte at all concentrations |
1. (a, b)
2. (b, c)
3. (c, d)
4. (a, d)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe correct statements among the following about solid catalysts is -
a. | Same reactants may give different products by using different catalysts |
b. | Catalyst does not change ∆ H of reaction |
c. | Catalyst is required in large quantities to catalyse reactions |
d. | Catalytic activity of a solid catalyst does not depend upon the strength of chemisorption |
1. a and b
2. b and c
3. c and d
4. a and d
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAt the equilibrium position in the process of adsorption ..........
1. ΔH > 0
2. ΔH = TΔS
3. ΔH > TΔS
4. ΔH < TΔS
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe process that does not occur at the interface of phases is :
1. Crystallisation
2. Heterogeneous catalysis
3. Homogeneous catalysis
4. Corrosion
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe interface that cannot be obtained is
1. Liquid-liquid
2. Solid-liquid
3. Liquid-gas
4. Gas-gas
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe term ‘sorption’ stands for.........
1. Absorption
2. Adsorption
3. Both absorption and adsorption
4. Desorption
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyExtent of adsorption of adsorbate from the solution phase increases with:
1. Increase in amount of adsorbate in solution.
2. Decrease in surface area of adsorbent.
3. Increase in temperature of solution.
4. Decrease in amount of adsorbate in solution.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology