# The equation that represents a Freundlich adsorption isotherm is:  1. $\frac{x}{m}=k{p}^{0.3}$ 2. $\frac{x}{m}=k{p}^{2.5}$ 3. $\frac{x}{m}=k{p}^{-0.5}$ 4. $\frac{x}{m}=k{p}^{-1}$

Subtopic:  Adsorption Isotherm |
71%
From NCERT
NEET - 2019
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The coagulating power of electrolytes with ions Na+,  Al3+, and Ba2+for arsenic sulphide sol increases in the order :

1.

2.

3.

4.

Subtopic:  Colloidal Solution |
88%
From NCERT
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Select the correct option based on statements below:

 Assertion (A): A hydrophilic sol is more stable than a hydrophobic sol. Reason (R): When compared to hydrophobic sol, colloidal particles in hydrophilic sol are heavily hydrated.

 1 Both (A) and (R) are true and (R) is the correct explanation of (A). 2 Both (A) and (R) are true but (R) is not the correct explanation of (A). 3 (A) is true but (R) is false. 4 Both (A) and (R) are false.
Subtopic:  Lyophilic & Lyophobic Sol |
79%
From NCERT
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Select the correct option based on statements below:

 Assertion (A): One part of micelles is lyophilic in nature. Reason (R): Micelles have a lyophillic COO group.

 1 Both (A) and (R) are true and (R) is the correct explanation of (A). 2 Both (A) and (R) are true but (R) is not the correct explanation of (A). 3 (A) is true but (R) is false. 4 Both (A) and (R) are false.
Subtopic:  Lyophilic & Lyophobic Sol |
75%
From NCERT
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Brownian motion of colloidal particles is caused by:

 1 Temperature fluctuations within the liquid phase. 2 Attraction and repulsion between charges on the colloidal particles. 3 Impact of the molecules of the dispersion medium on the colloidal particles. 4 None of the above.
Subtopic:  Colloidal Solution |
62%
From NCERT
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Which mixture of the solutions will lead to the formation of a negatively charged colloidal [AgI]I- sol?

1. 50 mL of 0.1 M AgNO3 + 50 mL of 0.1 M KI

2. 50 mL of 1 M AgNO3 + 50 mL of 0.5 M KI

3. 50 mL of 1 M AgNO3 + 50 mL of 2 M KI

4. 50 mL of 2 M AgNO3 + 50 mL of 1.5 M KI

Subtopic:  Colloidal Solution |
65%
From NCERT
NEET - 2019
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In the Freundlich adsorption isotherm, the value of 1/n is:
1. Between 0 and 1 in all cases.
2. Between 2 and 4 in all cases.
3. 1 in the case of physical adsorption.
4. 1 in the case of chemisorption.

Subtopic:  Adsorption Isotherm |
91%
From NCERT
AIPMT - 2012
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The characteristics associated with adsorption are:

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 |
82%
From NCERT
NEET - 2016
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The coagulating power of an ion depends on:

1. The magnitude of the charge on the ion alone
2. Size of the ion alone
3. Both magnitude and sign of the charge on the ion.
4. The sign of the charge on the ion alone.

Subtopic:  Colloidal Solution |
78%
From NCERT
NEET - 2018
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Measuring Zeta potential is useful in determining which of the following property of a colloidal solution:

1. Solubility.

2. Stability of the colloidal particles.

3. Size of the colloidal particles.

4. Viscosity.

Subtopic:  Colloidal Solution |
78%
From NCERT
NEET - 2020
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