Surface Chemistry PYQs - Last 5 Years
TS EAMCET / Chemistry / Physical Chemistry / 22 recent questions
ChemistryPhysical Chemistry2021-2025
Practice 22 TS EAMCET Chemistry questions from Surface Chemistry. Use the year-wise and type-wise breakdown to prioritize recent PYQs, then continue into the question list below.
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Last 5 Years Surface Chemistry Questions
Showing 22 of 22 filtered questions.
1Surface Chemistry
The correct statements about the properties of colloidal solutions are
A. Tyndall effect is used to distinguish between a colloidal solution and a true solution.
B. Zeta potential is related to movement of colloidal particles.
C. Brownian m...
A. Tyndall effect is used to distinguish between a colloidal solution and a true solution.
B. Zeta potential is related to movement of colloidal particles.
C. Brownian m...
MCQ+1 / -02025
2Surface Chemistry
Observe the following reaction
I. $\mathrm{CO}(\mathrm{g})+\mathrm{H}_2(\mathrm{~g}) \xrightarrow{X} \mathrm{HCHO}(\mathrm{g})$
II. $\mathrm{CO}(\mathrm{g})+3 \mathrm{H}_2(\mathrm{~g}) \xrightarrow{\gamma} \mathrm{CH}_4(\mathrm{~g})+\mathrm...
I. $\mathrm{CO}(\mathrm{g})+\mathrm{H}_2(\mathrm{~g}) \xrightarrow{X} \mathrm{HCHO}(\mathrm{g})$
II. $\mathrm{CO}(\mathrm{g})+3 \mathrm{H}_2(\mathrm{~g}) \xrightarrow{\gamma} \mathrm{CH}_4(\mathrm{~g})+\mathrm...
MCQ+1 / -02025
3Surface Chemistry
\(\text { Match the following. }\)
$$ \begin{array}{llll} \hline & \text { List-I (Type of colloid) } & & \text { List-II (Example) } \\ \hline \text { A } & \text { Sol } & \text { I } & \text { Cloud } \\ \hline \text { B } & \text { Fo...
$$ \begin{array}{llll} \hline & \text { List-I (Type of colloid) } & & \text { List-II (Example) } \\ \hline \text { A } & \text { Sol } & \text { I } & \text { Cloud } \\ \hline \text { B } & \text { Fo...
MCQ+1 / -02025
4Surface Chemistry
Which of the following is not correct about Freundlich adsorption isotherm?
MCQ+1 / -02025
5Surface Chemistry
The most effective coagulating agent for antimony sulphide sol is
MCQ+1 / -02025
6Surface Chemistry
Adsorption of a gas ( $A$ ) on an adsorbent follows Freundlich adsorption isotherm. The slope and intercept (on $Y$-axis) of the isotherm are $0: 5$ and 1.0 respectively. What is the value of $\frac{x}{m}$, when the pressure of the gas $(A)...
MCQ+1 / -02024
7Surface Chemistry
Adsorption of a gas a solid adsorbent follows. Freundlich adsorption isotherm. If $x$ is the mass of the gas adsorbed on mass ' $m$ ' of the adsorbent at pressure $p$. From the graph given extent of adsorption is proportional to
MCQ+1 / -02024
8Surface Chemistry
10 mL of 0.5 M NaCl is required to coagulate 1 L of $\mathrm{Sb}_2 \mathrm{~S}_3 \mathrm{sol}$ in 2 hours time. The flocculating value of NaCl (in millimoles) is
MCQ+1 / -02024
9Surface Chemistry
In Haber's process of manufacture of ammonia, the 'catalyst' the 'promoter' and 'poison for the catalyst' are respectively
MCQ+1 / -02024
10Surface Chemistry
Which of the following can form ionic micelles in water?
MCQ+1 / -02023
11Surface Chemistry
The sol prepared by Bredig's arc method is $X$ and the charge of sol particles of it is $q . X$ and $q$ are respectively
MCQ+1 / -02023
12Surface Chemistry
The graph given below is showing the relation between the extent of adsorption $(x / \mathrm{m})$ and pressure at different temperatures. The correct order of temperatures for curves i , ii and iii is
MCQ+1 / -02023
13Surface Chemistry
\(\text { Match the following. }\)
$$ \begin{array}{llll} \hline & \text { List I } & & \text { List II } \\ \hline \text { A. } & \text { Negatively charged sol } & \text { I. } & \text { Emulsion } \\ \hline \text { B. } & \text { Milk ...
$$ \begin{array}{llll} \hline & \text { List I } & & \text { List II } \\ \hline \text { A. } & \text { Negatively charged sol } & \text { I. } & \text { Emulsion } \\ \hline \text { B. } & \text { Milk ...
MCQ+1 / -02023
14Surface Chemistry
Identify the factors which favour the physical adsorption from the following
(I) High surface area
(II) Low temperatures
(III) High temperatures
(IV) Low pressures
(V) High pressures
(I) High surface area
(II) Low temperatures
(III) High temperatures
(IV) Low pressures
(V) High pressures
MCQ+1 / -02023
15Surface Chemistry
Consider the following about the tyndall effect.
(I) It is used to distinguish between a true and colloidal solution.
(II) It is possible only when the dispersed medium and dispersed phase differ much in their refraction indices.
(III) It i...
(I) It is used to distinguish between a true and colloidal solution.
(II) It is possible only when the dispersed medium and dispersed phase differ much in their refraction indices.
(III) It i...
MCQ+1 / -02023
16Surface Chemistry
10 g of a gas is adsorbed on 500 g of solid at 10 bar. If the pressure is increased at 20 bar, 14 g of the gas is adsorbed by the same solid at the same temperature. What is the slope of Freundlich adsorption isotherm?
MCQ+1 / -02022
17Surface Chemistry
The process in which colloids, when subjected to DC electric field move towards an electrode is
MCQ+1 / -02022
18Surface Chemistry
Which of the following does not show Tyndall effect?
MCQ+1 / -02022
19Surface Chemistry
The coagulation of 200 mL of a positive colloid took place when 0.73 g of HCl was added to it without changing the volume much. The flocculation value of HCl for the colloid is
MCQ+1 / -02022
20Surface Chemistry
For $\mathrm{As}_2 \mathrm{~S}_3$ sol, the most effective coagulating agent is
MCQ+1 / -02022
21Surface Chemistry
Catalysts in the following reactions are
(I) $\mathrm{CH}_3 \mathrm{COOCH}_3(l)+\mathrm{H}_2 \mathrm{O}(l)\longrightarrow \mathrm{CH}_3 \mathrm{COOH}(a q)+\mathrm{CH}_3 \mathrm{OH}(l)$
(II) $2 \mathrm{SO}_2(\mathrm{~g}) \longrightarrow 2 \...
(I) $\mathrm{CH}_3 \mathrm{COOCH}_3(l)+\mathrm{H}_2 \mathrm{O}(l)\longrightarrow \mathrm{CH}_3 \mathrm{COOH}(a q)+\mathrm{CH}_3 \mathrm{OH}(l)$
(II) $2 \mathrm{SO}_2(\mathrm{~g}) \longrightarrow 2 \...
MCQ+1 / -02022
22Surface Chemistry
A cube of edge length 1 cm is divided into smaller cubes of uniform size of length 1 nm . Assuming that, no voids are present, the ratio of total surface area of all the cubes of 1 nm edge length to the surface area of the initial cube is
MCQ+1 / -02022