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Previous year question hub

Atomic Structure - Physical Chemistry - Chemistry Previous Year Questions

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

9Papers
9Years
10Questions
1Topics

Atomic Structure question pattern

Every graph below is calculated only from this selection.

Questions by year

Year-wise coverage for Atomic Structure. Each bar uses a separate theme-derived color.

Difficulty distribution

How the classified questions are distributed by difficulty.

Not classified 10 100%

Question type distribution

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

Multiple Choices 10 100%

Subject weightage

Top subjects by unique question coverage.

Chemistry
10 Qs

Most asked topics

Top topics across the included previous year papers.

Physical Chemistry
10 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Atomic Structure
10 Qs

Paper coverage

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

KCET 2025
2 Qs
KCET 2024
1 Qs
KCET 2023
1 Qs
KCET 2022
1 Qs
KCET 2021
1 Qs
KCET 2020
1 Qs
KCET 2019
1 Qs
KCET 2018
1 Qs
KCET 2017
1 Qs

Included previous year papers

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

PaperYear / sessionQuestions in this viewOpen
KCET 202520252View paper
KCET 202420241View paper
KCET 202320231View paper
KCET 202220221View paper
KCET 202120211View paper
KCET 202020201View paper
KCET 201920191View paper
KCET 201820181View paper
KCET 201720171View paper

All Atomic Structure previous year questions

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

1
2017 · Chemistry · Physical Chemistry · Atomic Structure
KCET 2017
The correct set of quantum number for the unpaired electrons of chlorine atom is
A
$2,1-1,+\frac{1}{2}$
B
$2,0,0,+\frac{1}{2}$
C
$3,1,1, \pm \frac{1}{2}$
D
$3,0,0, \pm \frac{1}{2}$
Open complete paper
2
2018 · Chemistry · Physical Chemistry · Atomic Structure
KCET 2018
The orbital nearest to the nucleus is
A
$4 f$
B
$5 d$
C
4 s
D
$7 p$
Open complete paper
3
2019 · Chemistry · Physical Chemistry · Atomic Structure
KCET 2019

Two particle \(A\) and \(B\) are in motion. If the wavelength associated with '\(A\)' is \(33.33 \mathrm{~nm}\), the wavelength associated with '\(B\)' whose momentum is \(\frac{1}{3} \mathrm{rd}\) of '\(A\)' is

A
\(1.0 \times 10^{-8} \mathrm{~m}\)
B
\(2.5 \times 10^{-8} \mathrm{~m}\)
C
\(1.25 \times 10^{-7} \mathrm{~m}\)
D
\(1.0 \times 10^{-7} \mathrm{~m}\)
Open complete paper
4
2020 · Chemistry · Physical Chemistry · Atomic Structure
KCET 2020

With regard to photoelectric effect, identify the correct statement among the following.

A
Energy of electron ejected increases with the increase in the intensity of incident light.
B
Number of electron ejected increases with the increase in the frequency of incident light.
C
Number of electron ejected increases with the increase in work function.
D
Number of electron ejected increases with the increase in the intensity of incident light.
Open complete paper
5
2021 · Chemistry · Physical Chemistry · Atomic Structure
KCET 2021

The number of angular and radial nodes in \(3 p\) orbital respectively are

A
3, 1
B
1, 1
C
2, 1
D
2, 3
Open complete paper
6
2022 · Chemistry · Physical Chemistry · Atomic Structure
KCET 2022

If wavelength of photon is \(2.2 \times 10^{-11} \mathrm{~m}\) and \(h=6.6 \times 10^{-34} \mathrm{~J} \mathrm{~s}\), then momentum of photon

A
\(3.33 \times 10^{-22} \mathrm{~kg} \mathrm{~ms}^{-1}\)
B
\(1.452 \times 10^{-44} \mathrm{~kg} \mathrm{~ms}^{-1}\)
C
\(6.89 \times 10^{+43} \mathrm{~kg} \mathrm{~ms}^{-1}\)
D
\(3 \times 10^{-23} \mathrm{~kg} \mathrm{~ms}^{-1}\)
Open complete paper
7
2023 · Chemistry · Physical Chemistry · Atomic Structure
KCET 2023

The number of protons, neutrons and electrons in the ion \({ }_{16}^{32} \mathrm{~S}^{2-}\) respectively are

A
\(16,18,16\)
B
\(16,16,18\)
C
\(18,16,16\)
D
\(16,16,16\)
Open complete paper
8
2024 · Chemistry · Physical Chemistry · Atomic Structure
KCET 2024

The energy associated with first orbit of $\mathrm{He}^{+}$ is

A
$\mathrm{0~ J}$
B
$-8.72 \times 10^{-18} \mathrm{~J}$
C
$-4.58 \times 10^{-18} \mathrm{~J}$
D
$-0.545 \times 10^{-18} \mathrm{~J}$
Open complete paper
9
2025 · Chemistry · Physical Chemistry · Atomic Structure
KCET 2025

The number of orbitals associated with ' N ' shell of an atom is

A
16
B
32
C
3
D
4
Open complete paper
10
2025 · Chemistry · Physical Chemistry · Atomic Structure
KCET 2025

According to the Heisenberg's Uncertainty principle, the value of $\Delta \mathrm{b} . \Delta \mathrm{x}$ for an object whose mass is $10^{-6} \mathrm{~kg}$ is $\left(\mathrm{h}=6.626 \times 10^{-34} \mathrm{Js}\right)$

A
$3.0 \times 10^{-24} \mathrm{~m}^{-2} \mathrm{~s}^{-1}$
B
$4.0 \times 10^{-26} \mathrm{~m}^{-2} \mathrm{~s}^{-1}$
C
$3.5 \times 10^{-25} \mathrm{~m}^{-2} \mathrm{~s}^{-1}$
D
$5.2 \times 10^{-29} \mathrm{~m}^{-2} \mathrm{~s}^{-1}$
Open complete paper