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Previous year question hub

Surface Chemistry - Physical Chemistry - Chemistry Previous Year Questions

Practice Surface Chemistry - Physical Chemistry - Chemistry previous year questions organised from real papers, with year-wise coverage and clear topic navigation.

8Papers
8Years
19Questions
1Topics

Surface Chemistry question pattern

Every graph below is calculated only from this selection.

Questions by year

Year-wise coverage for Surface Chemistry. Each bar uses a separate theme-derived color.

Difficulty distribution

How the classified questions are distributed by difficulty.

Not classified 19 100%

Question type distribution

MCQ, numerical, multiple-select and other formats found in these papers.

Multiple Choices 19 100%

Subject weightage

Top subjects by unique question coverage.

Chemistry
19 Qs

Most asked topics

Top topics across the included previous year papers.

Physical Chemistry
19 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Surface Chemistry
19 Qs

Paper coverage

Question coverage for the most populated papers. Every active PYP paper remains listed below.

KCET 2024
3 Qs
KCET 2023
2 Qs
KCET 2022
2 Qs
KCET 2021
2 Qs
KCET 2020
2 Qs
KCET 2019
2 Qs
KCET 2018
2 Qs
KCET 2017
4 Qs

Included previous year papers

Newest papers appear first. Sort by year, question coverage or name.

PaperYear / sessionQuestions in this viewOpen
KCET 202420243View paper
KCET 202320232View paper
KCET 202220222View paper
KCET 202120212View paper
KCET 202020202View paper
KCET 201920192View paper
KCET 201820182View paper
KCET 201720174View paper

All Surface Chemistry previous year questions

Practice every matching question in batches of 20, with every available option.

1
2017 · Chemistry · Physical Chemistry · Surface Chemistry
KCET 2017
The process which is responsible for the formation of delta at a place where rivers meets the sea is
A
coagulation
B
colloid formation
C
peptisation
D
emulsification
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2
2017 · Chemistry · Physical Chemistry · Surface Chemistry
KCET 2017
Hydrogenation of vegetable oils in presence of finely divided nickel as catalyst.The reaction is
A
enzyme catalysed reaction
B
homogeneous catalysis
C
heterogeneous catalysis
D
liquid catalysed reaction
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3
2017 · Chemistry · Physical Chemistry · Surface Chemistry
KCET 2017
Which of the following is not a favourable condition for physical adsorption?
A
High temperature
B
High pressure
C
Higher critical temperature of adsorbate
D
Low temperature
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4
2017 · Chemistry · Physical Chemistry · Surface Chemistry
KCET 2017
Pick the correct statement among the following statement.
A
Sodium dodecyl benzene sulphonate used in tooth paste is a cationic detergent.
B
Non-ionic detergents is formed when polyethylene glycol reacts with adipic acid
C
Cetyl trimethyl ammonium bromide is a popular cationic detergent used in air conditioner
D
Sodium lauryl sulphate forms an insoluble scum with hard water
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5
2018 · Chemistry · Physical Chemistry · Surface Chemistry
KCET 2018
Which of the following electrolytes will have maximum coagulating value for $\mathrm{AgI} / \mathrm{Ag}^{+}$ sol?
A
$\mathrm{Na}_2 \mathrm{~S}$
B
$\mathrm{Na}_3 \mathrm{PO}_4$
C
$\mathrm{Na}_2 \mathrm{SO}_4$
D
NaCl
Open complete paper
6
2018 · Chemistry · Physical Chemistry · Surface Chemistry
KCET 2018
Gold sol is not a
A
lyophobic sol
B
negatively charged sol
C
macromolecular sol
D
multimolecular colloid
Open complete paper
7
2019 · Chemistry · Physical Chemistry · Surface Chemistry
KCET 2019

Critical Micelle concentration for a soap solution is \(1.5 \times 10^{-4} \mathrm{~mol} \mathrm{~L}^{-1}\). Micelle formation is possible only when the concentration of soap solution in \(\mathrm{mol} \mathrm{~L}^{-1}\) is

A
\(2.0 \times 10^{-3}\)
B
\(4.6 \times 10^{-5}\)
C
\(7.5 \times 10^{-5}\)
D
\(1.1 \times 10^{-4}\)
Open complete paper
8
2019 · Chemistry · Physical Chemistry · Surface Chemistry
KCET 2019

Which of the following is an example of homogeneous catalysis?

A
oxidation of \(\mathrm{NH}_3\) in Ostwald's process
B
oxidation of \(\mathrm{SO}_2\) in contact process
C
oxidation of \(\mathrm{SO}_2\) in lead chamber process
D
manufacture of \(\mathrm{NH}_3\) by Haber's process
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9
2020 · Chemistry · Physical Chemistry · Surface Chemistry
KCET 2020

A sol of \(\mathrm{AgI}\) is prepared by mixing equal volumes of \(0.1 \mathrm{~M} \mathrm{~AgNO}_3\) and \(0.2 \mathrm{~M} \mathrm{~KI}\), which of the following statement is correct?

A
Sol obtained is a negative sol with \(\mathrm{NO}_3^{-}\) adsorbed on AgI.
B
Sol obtained is a positive sol with \(\mathrm{Ag}^{+}\) adsorbed on AgI.
C
Sol obtained is a positive sol with \(\mathrm{K}^{+}\) adsorbed on AgI.
D
$Sol obtained is a negative sol with I\(^-\) adsorbed on AgI.
Open complete paper
10
2020 · Chemistry · Physical Chemistry · Surface Chemistry
KCET 2020

During adsorption of a gas on a solid at low temperature

A
\(\Delta G<0, \Delta H<0, \Delta S<0\)
B
\(\Delta G>0, \Delta H>0, \Delta S>0\)
C
\(\Delta G<0, \Delta H<0, \Delta S>0\)
D
\(\Delta G<0, \Delta H>0, \Delta S<0\)
Open complete paper
11
2021 · Chemistry · Physical Chemistry · Surface Chemistry
KCET 2021

A colloidal solution is subjected to an electric field than colloidal particles more towards anode. The amount of electrolytes of \(\mathrm{BaCl}_2, \mathrm{AlCl}_3\) and \(\mathrm{NaCl}\) required to coagulate the given colloid is in the order

A
\(\mathrm{NaCl}>\mathrm{BaCl}_2>\mathrm{AlCl}_3\)
B
\(\mathrm{BaCl}_2<\mathrm{AlCl}_3>\mathrm{NaCl}\)
C
\(\mathrm{AlCl}_3=\mathrm{NaCl}=\mathrm{BaCl}_2\)
D
\(\mathrm{AlCl}_3>\mathrm{BaCl}_2>\mathrm{NaCl}\)
Open complete paper
12
2021 · Chemistry · Physical Chemistry · Surface Chemistry
KCET 2021

Zeta potential is

A
potential required to bring about coagulation of a colloidal sol.
B
potential required to give the particle a speed of \(1 \mathrm{~cm} \mathrm{~s}^{-1}\)
C
potential difference between fixed charged layer and the diffused layer having opposite charges
D
potential energy of the colloidal particles.
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13
2022 · Chemistry · Physical Chemistry · Surface Chemistry
KCET 2022

Colloidal solution commonly used in the treatment of skin disease is

A
colloidal silver
B
colloidal antimony
C
colloidal gold
D
colloidal sulphur
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14
2022 · Chemistry · Physical Chemistry · Surface Chemistry
KCET 2022

Which can adsorb larger volume of hydrogen gas?

A
Colloidal solution of palladium
B
Finely divided platinum
C
Colloidal \(\mathrm{Fe}(\mathrm{OH})_3\)
D
Finely divided nickel
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15
2023 · Chemistry · Physical Chemistry · Surface Chemistry
KCET 2023

Aqueous solution of raw sugar when passed over beds of animal charcoal, it becomes colourless. Pick the correct set of terminologies that can be used for the above example.

A
Adsorbent Adsorbate Process
Solution of sugar Animal charcoal Sorption
B
Adsorbent Adsorbate Process
Animal charcoal Solution of sugar Absorption
C
Adsorbent Adsorbate Process
Animal charcoal Colouring substance Adsorption
D
Adsorbent Adsorbate Process
Colouring substance Animal charcoal Adsorption
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16
2023 · Chemistry · Physical Chemistry · Surface Chemistry
KCET 2023

For Freundlich adsorption isotherm, a graph of \(\log (x / m)\) vs \(\log (p)\) gives a straight line. The slope of line and its \(Y\)-axis intercept respectively are

A
\(\log \left(\frac{1}{n}\right) k\)
B
\(\frac{1}{n}, \log k\)
C
\(\log \left(\frac{1}{n}\right), \log k\)
D
\(\frac{1}{n}, k\)
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17
2024 · Chemistry · Physical Chemistry · Surface Chemistry
KCET 2024

For the coagulations of positively charged hydrated ferric - oxide sol, the flocculating power of the ions is in the order:

A
$\mathrm{PO}_4^{3-}>\mathrm{SO}_4^{2-}>\mathrm{Cl}^{-}>\left[\mathrm{Fe}(\mathrm{CN})_6\right]^{4-}$
B
$\mathrm{Cl}^{-}>\mathrm{SO}_4^{2-}>\mathrm{PO}_4^{3-}>\left[\mathrm{Fe}(\mathrm{CN})_6\right]^{4-}$
C
$\mathrm{SO}_4^{2-}=\mathrm{Cl}^{-}=\mathrm{PO}_4^{3-}=\left[\mathrm{Fe}(\mathrm{CN})_6\right]^{4-}$
D
$\left[\mathrm{Fe}(\mathrm{CN})_6\right]^{4-}>\mathrm{PO}_4^{3-}>\mathrm{SO}_4^{2-}>\mathrm{Cl}^{-}$
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18
2024 · Chemistry · Physical Chemistry · Surface Chemistry
KCET 2024

Identify the incorrect statement

A
Values of colligative properties of colloidal solution are of small order compared to values of true solution.
B
Tyndall effect is observed only when diameter of the dispersed particles is not much smaller than wavelength of incident light.
C
Colour of colloidal solution depends on the wavelength of light scattered by the dispersed particles.
D
Brownian movement is due to balanced bombardment of molecules of dispersion medium on colloidal particles.
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19
2024 · Chemistry · Physical Chemistry · Surface Chemistry
KCET 2024

Gold sol is not a

A
macromolecular colloid
B
lyophobic colloid
C
multimolecular colloid
D
negatively charged colloid
Open complete paper