Arrange the following diagrams in correct sequence of steps involved in the mechanism of catalysis, in accordance with modern adsorption theory.
1. IIIIIIIVV
2. IIIIIIIVV
3. IIIIIIVIV
4. IIIIIIVIV
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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 & 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 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 & BiologyWhich one of the following is not applicable to the phenomenon of adsorption?
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPhysical adsorption is not favoured by :
1. High pressure.
2. Negative H
3. Higher critical temperature of adsorbate.
4. High temperature.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyExtent of physisorption of a gas increases with ......
1. Increase in temperature.
2. Decrease in temperature.
3. Decrease in surface area of adsorbent.
4. Decrease in strength of van der Waals’ force.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyH2 gas is adsorbed on activated charcoal to a very little extent in comparison to easily liquefiable gases due to -
a. Very strong van der Waals’ interaction
b. Very weak van der Waals’ forces
c. Very low critical temperature
d. Very high critical temperature
The correct choice among the given is -
1. (a, b)
2. (b, c)
3. (c, d)
4. (a, d)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology