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Previous year question hub

Physical Chemistry - Chemistry Previous Year Questions

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

20Papers
20Years
444Questions
1Topics

Physical Chemistry question pattern

Every graph below is calculated only from this selection.

Questions by year

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

Difficulty distribution

How the classified questions are distributed by difficulty.

Medium 220 49.5%
Easy 216 48.6%
Hard 8 1.8%

Question type distribution

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

MCQ 276 62.2%
Numerical Answer Type (NAT) 99 22.3%
Fill in the blanks 47 10.6%
MSQ 22 5%

Subject weightage

Top subjects by unique question coverage.

Chemistry
444 Qs

Most asked topics

Top topics across the included previous year papers.

Physical Chemistry
444 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Spectroscopy
69 Qs
Kinetics and Reaction Dynamics
64 Qs
Molecular Structure and Chemical Bonding
44 Qs
Equilibrium
42 Qs
Solutions
36 Qs
Statistical Thermodynamics
32 Qs
Electrochemistry
30 Qs
Phase Equilibria
22 Qs
Structure
21 Qs
Group Theory
20 Qs
Particle in a Box
20 Qs
Hydrogen and Hydrogen-like Atoms
13 Qs
Surfaces and Interfaces
13 Qs
Harmonic Oscillator
10 Qs
Rotational Motion
8 Qs

Paper coverage

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

Chemistry (CY) 2026
18 Qs
Chemistry (CY) 2025
21 Qs
Chemistry (CY) 2024
24 Qs
Chemistry (CY) 2023
17 Qs
Chemistry (CY) 2022
18 Qs
Chemistry (CY) 2021
20 Qs
Chemistry (CY) 2020
21 Qs
Chemistry (CY) 2019
19 Qs
Chemistry (CY) 2018
29 Qs
Chemistry (CY) 2017
23 Qs
Chemistry (CY) 2016
18 Qs
Chemistry (CY) 2015
13 Qs
Chemistry (CY) 2014
19 Qs
Chemistry (CY) 2013
26 Qs
Chemistry (CY) 2012
23 Qs
Chemistry (CY) 2011
28 Qs
Chemistry (CY) 2010
21 Qs
Chemistry (CY) 2009
24 Qs
Chemistry (CY) 2008
30 Qs
Chemistry (CY) 2007
32 Qs

Browse by subtopics

Open a focused page built from the same verified paper data.

Spectroscopy

Explore previous-paper coverage, trends and focused practice for Spectroscopy.

69 questions19 papers19 years

Kinetics and Reaction Dynamics

Explore previous-paper coverage, trends and focused practice for Kinetics and Reaction Dynamics.

64 questions20 papers20 years

Molecular Structure and Chemical Bonding

Explore previous-paper coverage, trends and focused practice for Molecular Structure and Chemical Bonding.

44 questions19 papers19 years

Equilibrium

Explore previous-paper coverage, trends and focused practice for Equilibrium.

42 questions16 papers16 years

Solutions

Explore previous-paper coverage, trends and focused practice for Solutions.

36 questions16 papers16 years

Statistical Thermodynamics

Explore previous-paper coverage, trends and focused practice for Statistical Thermodynamics.

32 questions17 papers17 years

Electrochemistry

Explore previous-paper coverage, trends and focused practice for Electrochemistry.

30 questions16 papers16 years

Phase Equilibria

Explore previous-paper coverage, trends and focused practice for Phase Equilibria.

22 questions16 papers16 years

Structure

Explore previous-paper coverage, trends and focused practice for Structure.

21 questions12 papers12 years

Group Theory

Explore previous-paper coverage, trends and focused practice for Group Theory.

20 questions13 papers13 years

Particle in a Box

Explore previous-paper coverage, trends and focused practice for Particle in a Box.

20 questions14 papers14 years

Hydrogen and Hydrogen-like Atoms

Explore previous-paper coverage, trends and focused practice for Hydrogen and Hydrogen-like Atoms.

13 questions11 papers11 years

Surfaces and Interfaces

Explore previous-paper coverage, trends and focused practice for Surfaces and Interfaces.

13 questions11 papers11 years

Harmonic Oscillator

Explore previous-paper coverage, trends and focused practice for Harmonic Oscillator.

10 questions9 papers9 years

Rotational Motion

Explore previous-paper coverage, trends and focused practice for Rotational Motion.

8 questions8 papers8 years

Included previous year papers

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

PaperYear / sessionQuestions in this viewOpen
Chemistry (CY) 2026202618View paper
Chemistry (CY) 2025202521View paper
Chemistry (CY) 2024202424View paper
Chemistry (CY) 2023202317View paper
Chemistry (CY) 2022202218View paper
Chemistry (CY) 2021202120View paper
Chemistry (CY) 2020202021View paper
Chemistry (CY) 2019201919View paper
Chemistry (CY) 2018201829View paper
Chemistry (CY) 2017201723View paper
Chemistry (CY) 2016201618View paper
Chemistry (CY) 2015201513View paper
Chemistry (CY) 2014201419View paper
Chemistry (CY) 2013201326View paper
Chemistry (CY) 2012201223View paper
Chemistry (CY) 2011201128View paper
Chemistry (CY) 2010201021View paper
Chemistry (CY) 2009200924View paper
Chemistry (CY) 2008200830View paper
Chemistry (CY) 2007200732View paper

Sample previous year questions

A varied preview from the papers represented in this selection, with every available option.

1
2008 · Chemistry · Physical Chemistry · Spectroscopy
Chemistry (CY) 2008
The lifetime of a molecule in an excited electronic state is 10-10 s. The uncertainty in the energy (eV) approximately is
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2
2009 · Chemistry · Physical Chemistry · Solutions
Chemistry (CY) 2009
Among the following, the system that would require the least amount of thermal energy to bring its temperature to 80 °C is
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3
2011 · Chemistry · Physical Chemistry · Spectroscopy
Chemistry (CY) 2011

The region of electromagnetic spectrum employed in the electron spin resonance (ESR) spectroscopy is

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4
2012 · Chemistry · Physical Chemistry · Molecular Structure and Chemical Bonding
Chemistry (CY) 2012
If Δy and Δpy are the uncertainties in the y-coordinate and the y component of the momentum of a particle respectively, then, according to uncertainty principle ΔyΔpy is (ℏ = h/2π and h is Planck's constant)
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5
2013 · Chemistry · Physical Chemistry · Group Theory
Chemistry (CY) 2013
The point group symmetry of $CH_2=C=CH_2$ is
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6
2014 · Chemistry · Physical Chemistry · Equilibrium
Chemistry (CY) 2014
The maximum non-PV work that a system can perform at constant P is
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