1
AP EAPCET 2025 - 24th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

In a Freundlich adsorption isotherm, if the slope is unity and $k$ is 0.1 , the extent of adsorption at 2 atm is ( $\log 2=0.30$ )

A

0.6

B

0.4

C

0.2

D

0.8

2
AP EAPCET 2025 - 23rd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

$$ \text { Match the following } $$

List-I
(Colloidal solution)
List-II
(Use)
(a) Colloidal antimony (I) Eye lotion
(b) Argyrol (II) Intramuscular injection
(c) Colloidal gold (III) Kalaazar
(d) Milk of magnesia (IV) Stomach disorders

The correct answer

A

A-III, B-I, C-II, D-IV

B

A-III, B-I, C-IV, D-II

C

A-IV, B-II, C-I, D-III

D

A-II, B-I, C-IV, D-III

3
AP EAPCET 2025 - 23rd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Adsorption of a gas on solids follows Freundlich adsorption isotherm. The graph drawn between $\log \frac{x}{m}$ (on $y$-axis) and $\log p$ (on $x$-axis) is a straight line with slope equal to 3 and intercept equal to 0.30 . What is the value of $\frac{x}{m}$ at a pressure of 2 atm ?

(Given: $\log 2=0.3$ )

A

48

B

32

C

16

D

8

4
AP EAPCET 2025 - 23rd May Morning Shift
MCQ (Single Correct Answer)
+1
-0
The adsorption of a gas on a solid surface follows Freundlich adsorption isotherm. At $T(\mathrm{~K})$, the gas pressure is 2 atm . What is the value of $\frac{x}{m} ?(n=2$ and $k=$ constant $)$
A

$\frac{x}{m}=4 k$

B

$\frac{x}{m}=\frac{1.414}{k}$

C

$\frac{x}{m}=\frac{k}{1.414}$

D

$\frac{x}{m}=1.414 k$

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