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Previous year question hub

Chemistry Previous Year Questions

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

20Papers
20Years
1,135Questions
3Topics

Chemistry question pattern

Every graph below is calculated only from this selection.

Questions by year

Compare question counts across years.

Difficulty distribution

How the classified questions are distributed by difficulty.

Medium 538 47.4%
Easy 420 37%
Hard 177 15.6%

Question type distribution

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

MCQ 846 74.5%
Numerical Answer Type (NAT) 133 11.7%
MSQ 92 8.1%
Fill in the blanks 64 5.6%

Subject weightage

Top subjects by unique question coverage.

Chemistry
1135 Qs

Most asked topics

Top topics across the included previous year papers.

Physical Chemistry
444 Qs
Organic Chemistry
346 Qs
Inorganic Chemistry
329 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Transition Metals
95 Qs
Main Group Elements
79 Qs
Types of Reactions
72 Qs
Spectroscopy
69 Qs
Reaction Mechanisms
64 Qs
Kinetics and Reaction Dynamics
64 Qs
Organometallics
62 Qs
Organic Synthesis
54 Qs
Molecular Structure and Chemical Bonding
44 Qs
Equilibrium
42 Qs
Solutions
36 Qs
General Concepts
33 Qs
Stereochemistry
33 Qs
Solids
32 Qs
Statistical Thermodynamics
32 Qs
Bioinorganic Chemistry
31 Qs
Pericyclic Reactions and Photochemistry
30 Qs
Electrochemistry
30 Qs
Biomolecules
25 Qs
Phase Equilibria
22 Qs
Structure
21 Qs
Group Theory
20 Qs
Particle in a Box
20 Qs
Instrumental Methods of Analysis
19 Qs
Experimental Techniques in Organic Chemistry
16 Qs
Hydrogen and Hydrogen-like Atoms
13 Qs
Surfaces and Interfaces
13 Qs
Lanthanides and Actinides
11 Qs
Harmonic Oscillator
10 Qs
Oxidation
8 Qs
Rotational Motion
8 Qs
Reduction
6 Qs
Heterocyclic Compounds
5 Qs

Paper coverage

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

Chemistry (CY) 2026
47 Qs
Chemistry (CY) 2025
51 Qs
Chemistry (CY) 2024
51 Qs
Chemistry (CY) 2023
48 Qs
Chemistry (CY) 2022
47 Qs
Chemistry (CY) 2021
52 Qs
Chemistry (CY) 2020
45 Qs
Chemistry (CY) 2019
46 Qs
Chemistry (CY) 2018
65 Qs
Chemistry (CY) 2017
60 Qs
Chemistry (CY) 2016
52 Qs
Chemistry (CY) 2015
33 Qs
Chemistry (CY) 2014
65 Qs
Chemistry (CY) 2013
65 Qs
Chemistry (CY) 2012
61 Qs
Chemistry (CY) 2011
63 Qs
Chemistry (CY) 2010
59 Qs
Chemistry (CY) 2009
57 Qs
Chemistry (CY) 2008
83 Qs
Chemistry (CY) 2007
85 Qs

Browse by topics

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

Physical Chemistry

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

444 questions20 papers20 years

Organic Chemistry

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

346 questions20 papers20 years

Inorganic Chemistry

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

329 questions20 papers20 years

Included previous year papers

Newest papers appear first. Search these papers or sort by year and name.

Paper nameYearPDFAttempt
Chemistry (CY) 20262026
47 questions in this view		2026
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Chemistry (CY) 20252025
51 questions in this view		2025
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Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Chemistry (CY) 20242024
51 questions in this view		2024
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Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Chemistry (CY) 20232023
48 questions in this view		2023
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Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Chemistry (CY) 20222022
47 questions in this view		2022
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Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Chemistry (CY) 20212021
52 questions in this view		2021
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Official documents
Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Chemistry (CY) 20202020
45 questions in this view		2020
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ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Chemistry (CY) 20192019
46 questions in this view		2019
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ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Chemistry (CY) 20182018
65 questions in this view		2018
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ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Chemistry (CY) 20172017
60 questions in this view		2017
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ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Chemistry (CY) 20162016
52 questions in this view		2016
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ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Chemistry (CY) 20152015
33 questions in this view		2015
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ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Chemistry (CY) 20142014
65 questions in this view		2014
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ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Chemistry (CY) 20132013
65 questions in this view		2013
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ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Chemistry (CY) 20122012
61 questions in this view		2012
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ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Chemistry (CY) 20112011
63 questions in this view		2011
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ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Chemistry (CY) 20102010
59 questions in this view		2010
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ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Chemistry (CY) 20092009
57 questions in this view		2009
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ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Chemistry (CY) 20082008
83 questions in this view		2008
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ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Chemistry (CY) 20072007
85 questions in this view		2007
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download

Sample previous year questions

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

1
2008 · Chemistry · Inorganic Chemistry · Transition Metals
Chemistry (CY) 2008
The total number of isomers of Co(en)₂Cl₂ (en = ethylenediamine) is
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2
2009 · Chemistry · Inorganic Chemistry · Main Group Elements
Chemistry (CY) 2009
The \(^{31}\)P NMR spectrum of P\(_4\)S\(_3\) consists of
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3
2011 · Chemistry · Inorganic Chemistry · Transition Metals
Chemistry (CY) 2011
Jahn-Teller distortion of CuSO4.5H2O acts to
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4
2012 · Chemistry · Organic Chemistry · General Concepts
Chemistry (CY) 2012
In the proton decoupled 13C NMR spectrum of 7-norbornanone, the number of signals obtained is
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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
A student is required to demonstrate a high level of comprehension of the subject, especially in the social sciences.
The word closest in meaning to comprehension is
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