IAT-IISER

Chemistry Analysis

Comprehensive breakdown of 26 chapters with 75 previous year questions. Explore priority-sorted content and weightage analytics.

26
Chapters
75
Total Questions
PYQ
Years Covered

Chapters

Sorted by Questions
low Yield

Chemical Bonding And Molecular Structure

High-Yield Trend

2
2025
2
2024
1
2023
1
2022
1
2020
Topics 1
Questions 7
low Yield

Coordination Compounds

High-Yield Trend

2
2024
2
2022
2
2020
Topics 1
Questions 6
low Yield

Atomic Structure

High-Yield Trend

1
2025
1
2024
1
2023
1
2022
1
2020
Topics 1
Questions 5
low Yield

General Organic Chemistry

High-Yield Trend

1
2025
1
2024
1
2023
1
2022
1
2020
Topics 1
Questions 5
low Yield

Electrochemistry

High-Yield Trend

2
2025
1
2024
1
2022
Topics 1
Questions 4
low Yield

Haloalkanes And Haloarenes

High-Yield Trend

1
2023
2
2022
1
2020
Topics 1
Questions 4
low Yield

Hydrocarbons

High-Yield Trend

2
2025
1
2024
1
2023
Topics 1
Questions 4
low Yield

Isomerism

High-Yield Trend

1
2025
2
2024
1
2023
Topics 1
Questions 4
low Yield

Chemical Kinetics

High-Yield Trend

1
2025
1
2024
1
2020
Topics 1
Questions 3
low Yield

Compounds Containing Nitrogen

High-Yield Trend

1
2025
1
2024
1
2022
Topics 1
Questions 3
low Yield

Liquid Solution

High-Yield Trend

1
2024
1
2023
1
2022
Topics 1
Questions 3
low Yield

P Block Elements

High-Yield Trend

1
2023
1
2022
1
2020
Topics 1
Questions 3
low Yield

Periodic Table And Periodicity

High-Yield Trend

1
2024
1
2022
1
2020
Topics 1
Questions 3
low Yield

States Of Matter

High-Yield Trend

1
2025
1
2023
1
2022
Topics 1
Questions 3
low Yield

Thermodynamics

High-Yield Trend

1
2024
1
2023
1
2020
Topics 1
Questions 3
low Yield

Alcohol, Phenols And Ethers

High-Yield Trend

1
2022
1
2020
Topics 1
Questions 2
low Yield

Biomolecules

High-Yield Trend

1
2023
1
2020
Topics 1
Questions 2
low Yield

D And F Block Elements

High-Yield Trend

2
2025
Topics 1
Questions 2
low Yield

Metallurgy

High-Yield Trend

2
2023
Topics 1
Questions 2
low Yield

Aldehyde And Ketone

High-Yield Trend

1
2025
Topics 1
Questions 1
low Yield

Carboxylic Acids And Its Derivatives

High-Yield Trend

1
2020
Topics 1
Questions 1
low Yield

Chemical Equilibrium

High-Yield Trend

1
2022
Topics 1
Questions 1
low Yield

Hydrogen And It's Compounds

High-Yield Trend

1
2023
Topics 1
Questions 1
low Yield

Ionic Equilibrium

High-Yield Trend

1
2020
Topics 1
Questions 1
low Yield

Solid State

High-Yield Trend

1
2020
Topics 1
Questions 1
low Yield

Surface Chemistry

High-Yield Trend

1
2023
Topics 1
Questions 1

About Chemistry for IAT-IISER

Scoring high in Chemistry is crucial for clearing the IAT-IISER cut-offs. Our chapter-wise breakdown helps you understand exactly which topics have historically carried the most weightage in the exam.

By practicing Chemistry previous year questions, you can familiarize yourself with the recurring concepts, difficulty level, and framing of questions. We recommend starting your revision with the chapters that have the highest number of PYQs listed above.

Chemistry Preparation FAQs

How is the Chemistry section structured in IAT-IISER?

The Chemistry section tests your fundamental understanding and application of concepts. Reviewing the PYQs will give you a clear picture of the theoretical vs numerical ratio and the depth of knowledge required.

Which chapters should I prioritize in Chemistry?

The chapters are already sorted by the number of questions asked in previous years. Focus your initial preparation on the chapters at the top of the list, as they historically yield the most marks.