IGNOU CHE-05 Previous Year Question Papers – Download TEE Papers
About IGNOU CHE-05 – ORGANIC CHEMISTRY
Organic Chemistry is a core component of the Bachelor’s Degree Programme (B.Sc.) that focuses on the structure, properties, and reactions of carbon-based compounds. This course is designed for science students to build a strong foundation in nomenclature, stereochemistry, and the fundamental mechanisms of aliphatic and aromatic hydrocarbons. Students explore the behavior of functional groups and the synthetic methods used to create complex molecular structures essential for advanced chemical studies.
What CHE-05 Covers — Key Themes for the Exam
Understanding the core themes of this course is vital for performing well in the Term-End Examination (TEE). By analyzing the recurring patterns in the exam papers, students can prioritize high-yield topics that frequently appear in both short-note and descriptive formats. Focusing on these themes ensures that you are not just memorizing reactions but understanding the underlying chemical principles that examiners consistently evaluate year after year.
- Structure and Bonding — Examiners frequently test the concepts of resonance, inductive effects, and hyperconjugation to evaluate how well students understand molecular stability. This theme is fundamental because it explains why certain organic molecules react the way they do under specific conditions.
- Stereochemistry and Isomerism — This is a high-priority theme where students are asked to identify chiral centers, assign R/S configurations, and distinguish between enantiomers and diastereomers. Mastery of 3D molecular orientation is crucial as it forms the basis for understanding specialized reaction pathways.
- Reaction Mechanisms (SN1, SN2, E1, E2) — A significant portion of the TEE focuses on the step-by-step pathways of substitution and elimination reactions. Students must be able to draw transition states and explain how solvent effects or substrate structure influence the preferred reaction mechanism.
- Aromaticity and Electrophilic Substitution — Questions often revolve around Huckel’s Rule and the mechanism of nitration, sulfonating, or Friedel-Crafts reactions on benzene rings. Examiners look for a clear understanding of how substituents direct the incoming groups to ortho, meta, or para positions.
- Functional Group Chemistry — This theme covers the synthesis and properties of alcohols, phenols, ethers, and carbonyl compounds. Recurring questions usually involve name reactions like the Aldol condensation or Reimer-Tiemann reaction, requiring precise reagents and product identification.
- Synthetic Applications of Organometallics — Grignard reagents and their role in forming new carbon-carbon bonds are a staple in the question papers. Students are expected to demonstrate how these versatile reagents can be used to synthesize a variety of organic molecules from simpler precursors.
By mapping your revision to these six key themes found in the past papers, you can create a highly efficient study plan. The TEE papers often combine these themes into multi-part questions, so practicing their application through the TEE papers is the best way to ensure a high score in the final assessment.
Introduction
Preparing for the Term-End Examination (TEE) requires more than just reading the study blocks provided by the university. Utilizing the IGNOU CHE-05 Previous Year Question Papers allows students to familiarize themselves with the difficulty level and the specific phrasing used by the paper setters. These past papers serve as a diagnostic tool, helping you identify your strengths in organic synthesis while highlighting areas like stereochemistry that might need more attention before the exam day.
The exam pattern for this course usually involves a mix of conceptual explanations, reaction mechanisms, and numerical problems related to chemical properties. Analyzing the TEE papers reveals that the university maintains a balanced distribution between theoretical definitions and practical reaction sequences. Consistent practice with these papers helps in building the mental agility required to solve complex organic conversions within the stipulated three-hour duration of the final examination.
IGNOU CHE-05 Previous Year Question Papers
| Year | June TEE | December TEE |
|---|---|---|
| 2024 | Download | Download |
| 2023 | Download | Download |
| 2022 | Download | Download |
| 2021 | Download | Download |
| 2020 | Download | Download |
| 2019 | Download | Download |
| 2018 | Download | Download |
| 2017 | Download | Download |
| 2016 | Download | Download |
| 2015 | Download | Download |
| 2014 | Download | Download |
| 2013 | Download | Download |
| 2012 | Download | Download |
| 2011 | Download | Download |
| 2010 | Download | Download |
Download CHE-05 Question Papers December 2024 Onwards
IGNOU CHE-05 Question Papers — December 2024
| # | Course | TEE Session | Download |
|---|---|---|---|
| 1 | CHE-05 | Dec 2024 | Download |
→ Download All December 2024 Question Papers
IGNOU CHE-05 Question Papers — June 2025
| # | Course | TEE Session | Download |
|---|---|---|---|
| 1 | CHE-05 | June 2025 | Download |
→ Download All June 2025 Question Papers
How Past Papers Help You Score Better in TEE
Exam Pattern
The CHE-05 TEE is a 50-mark paper usually lasting 2 hours. It contains compulsory short questions and a choice of descriptive reaction mechanism questions.
Important Topics
Focus heavily on Nucleophilic Substitution (SN1/SN2), Aromaticity rules, and Carbonyl reactions like the Cannizzaro reaction which appear in almost every session.
Answer Writing
Always use clear structural diagrams for mechanisms. Use curved arrows to show electron movement, as this earns more marks than just writing text explanations.
Time Management
Spend 15 minutes on objective questions, 60 minutes on long reaction mechanisms, and the remaining time for checking isomers and structural accuracy.
Important Note for Students
⚠️ Question papers for the upcoming 2026 session will be updated
here after IGNOU releases them. Always cross-reference with the latest syllabus
at ignou.ac.in. Past papers work best alongside the official IGNOU study blocks,
not as a replacement for them.
Also Read
More resources for CHE-05 preparation:
FAQs – IGNOU CHE-05 Previous Year Question Papers
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IGNOU repositories. Content is for academic reference only — verify authenticity
at ignou.ac.in.
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✔ Last updated: April 2026
