# Basic Organic Chemistry JEE Advanced PYQ Chapter Wise

> Basic Organic Chemistry JEE Advanced PYQs: 10 questions from 22 official papers (2016–2026), by concept with official answers.

Source: https://previousyearquestions.app/jee-advanced/chapters/basic-principles-organic/

Explore: <a href="/jee-advanced/chapters/">All JEE Advanced chapters</a> · <a href="/jee-advanced/chapters/chemistry/">JEE Advanced Chemistry PYQs</a> · <a href="/jee-advanced/">JEE Advanced hub</a> · <a href="/jee-advanced/syllabus-pattern/">Syllabus & pattern</a> · <a href="/jee-advanced/2026/">JEE Advanced 2026</a>

## Answer first

Some Basic Principles of Organic Chemistry PYQs (previous year questions) for JEE Advanced: Some Basic Principles of Organic Chemistry (Chemistry) had **10 questions** across the 22 official JEE Advanced papers we tagged (2016–2026), and appeared in 8 of them. Asked in 8 of 11 years; last in 2025. The concepts asked in the most papers: Stereochemistry, Conformations, IUPAC Nomenclature.

## Year-wise question count

<ChapterQuestions exam="jee-advanced" chapter="basic-principles-organic" part="trend" />

## Most-asked concepts

Sorted by the number of papers a concept appeared in.

<ChapterQuestions exam="jee-advanced" chapter="basic-principles-organic" part="concepts" />

## How to practise Some Basic Principles of Organic Chemistry PYQs

1. Start with the concepts at the top of the table. They have come back the most.
2. Solve one year's Some Basic Principles of Organic Chemistry questions from the official PDF against the clock, then check the answer listed below.
3. Log every miss as a concept gap, a calculation slip or a misread. Each needs a different fix.
4. Once a concept is clean in two papers, move to the next. Then sit a full paper from the year pages.

## Questions by year

Each line gives the question number and paper, type, concept, our one-line summary and the official answer, with a link to the official PDF.

<ChapterQuestions exam="jee-advanced" chapter="basic-principles-organic" part="questions" />

## Some Basic Principles of Organic Chemistry in other exams

The same chapter in other official papers we tagged: [JEE Main](/jee-main/chapters/basic-principles-organic/) (13 questions), [NEET](/neet/chapters/#basic-principles-organic) (1 question).

## Other Chemistry chapters

- [Some Basic Concepts in Chemistry PYQs](/jee-advanced/chapters/basic-concepts-chemistry/)
- [Atomic Structure PYQs](/jee-advanced/chapters/atomic-structure/)
- [Chemical Bonding and Molecular Structure PYQs](/jee-advanced/chapters/chemical-bonding/)
- [Chemical Thermodynamics PYQs](/jee-advanced/chapters/chemical-thermodynamics/)
- [Solutions PYQs](/jee-advanced/chapters/solutions/)
- [Equilibrium PYQs](/jee-advanced/chapters/equilibrium/)
- [Redox Reactions and Electrochemistry PYQs](/jee-advanced/chapters/redox-electrochemistry/)
- [Chemical Kinetics PYQs](/jee-advanced/chapters/chemical-kinetics/)
- [Classification of Elements and Periodicity PYQs](/jee-advanced/chapters/periodicity/)
- [p-Block Elements PYQs](/jee-advanced/chapters/p-block/)
- [d- and f-Block Elements PYQs](/jee-advanced/chapters/d-f-block/)
- [Coordination Compounds PYQs](/jee-advanced/chapters/coordination-compounds/)
- [Purification and Characterisation of Organic Compounds PYQs](/jee-advanced/chapters/purification-characterisation-organic/)
- [Hydrocarbons PYQs](/jee-advanced/chapters/hydrocarbons/)
- [Organic Compounds Containing Halogens PYQs](/jee-advanced/chapters/organic-halogens/)
- [Organic Compounds Containing Oxygen PYQs](/jee-advanced/chapters/organic-oxygen/)
- [Organic Compounds Containing Nitrogen PYQs](/jee-advanced/chapters/organic-nitrogen/)
- [Biomolecules PYQs](/jee-advanced/chapters/biomolecules/)
- [Principles Related to Practical Chemistry PYQs](/jee-advanced/chapters/practical-chemistry/)

## FAQ

### How many Some Basic Principles of Organic Chemistry questions come in JEE Advanced?
In the official papers we tagged: 1 in 2025, 1 in 2023, 1 in 2022, 1 in 2021, 3 in 2020, 1 in 2019, 1 in 2018 and 1 in 2017 (2 papers each year). Not asked in the other 3 years. That is 10 questions in all, about 3% of Chemistry.

### Which Some Basic Principles of Organic Chemistry topics repeat in JEE Advanced?
Asked in the most papers: Stereochemistry, Conformations, IUPAC Nomenclature. The concept table lists every one with its count.

### Are these official JEE Advanced questions?
Yes. Every question is from an official JEE Advanced paper hosted on our year pages. The one-line summaries are ours; open the PDF linked beside each question for the full text.