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Most Ignored but High-Weightage Topics in JEE Main Chemistry: While preparing for the JEE Main exam, everyone focuses on the popular chapters. But there are some topics which are ignored by students, but they hold high-weightage in the JEE Main exam. These chapters are generally short, NCERT based and can help students score easy marks with comparatively less time to prepare. Analysis of the previous years' question papers shows that topics like Purification and Characterisation of Organic Compounds and Principles Related to Practical Chemistry are often ignored during preparation but still contribute questions in the exam. This article highlights the most ignored yet important Chemistry topics for JEE Main 2027, their weightage, and preparation tips to help aspirants maximise their scores.
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Now, let's go through these most ignored topics in JEE Main Chemistry. These are the topics that were expected to be scoring and easy, but due to the underestimation of their level of difficulty, they were also the most ignored ones. The data we have given here is based on the previous year's trends. As we have seen, the chapter Purification and Characterisation of Organic Compounds has a total weightage of 1.60%, and Principles Related to Practical Chemistry has a weightage of 0.89%. Let’s now have a look at the table, which shows us the constituted data of JEE Mains 2027.
Chapter | Concept | Number of Questions in JEE Main 2026 |
Purification and Characterisation of Organic Compounds | Chromatography | 1 |
Purification and Characterisation of Organic Compounds | Test for Hydrogen and Carbon | 1 |
Purification and Characterisation of Organic Compounds | 5 | |
Purification and Characterisation of Organic Compounds | 2 | |
Purification and Characterisation of Organic Compounds | 1 | |
Principles Related to Practical Chemistry | 2 | |
Principles Related to Practical Chemistry | Confirmatory Test of Anions $\begin{aligned} & \mathrm{CO}_3^{2-}, \mathrm{S}^{2-}, \mathrm{SO}_3^{2-}, \\ & \mathrm{NO}_2^{2-}, \text { and } \\ & \mathrm{CH}_3 \mathrm{COO}^{-}\end{aligned}$ | 2 |
Principles Related to Practical Chemistry | Preliminary Test with Dilute Sulphuric Acid (Systematic Analysis of Anions): | 1 |
Principles Related to Practical Chemistry | Formation of Coloured Ions | 1 |
Principles Related to Practical Chemistry | 1 | |
Principles Related to Practical Chemistry | Wet Tests for Identification of Cations | 1 |
Principles Related to Practical Chemistry | 1 |
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As a sincere student, you might ask, 'Why should you trust this set of most ignored topics in JEE Main 2027 Chemistry?' Well, our experts have analysed JEE Main previous year questions (PYQs) and saw that most of the students keep some chapters for the end. And most of these chapters have multiple questions in the question paper. These are the easy chapters that don't require a lot of weeks of study but appear every year and directly test NCERT knowledge.
Now that you already know about JEE Main 2027 chemistry high-weightage topics. And you know exactly which are also the most ignored topics in JEE Main 2027 Chemistry; we will see some tips to excel in these topics to increase your overall marks in the JEE Mains 2027 exam.
To thoroughly prepare for JEE Mains 2027 chemistry's most ignored topics, refer to the JEE Main syllabus and this article and the topics we have given.
Plan these topics and how you should finish studying them.
Solve mock tests so you don't go out of practice.
In every question paper, whenever you solve it, never skip these questions by underestimating them.
You can make a separate notebook for these topics that need less time for revision.
Keep at least 1 day that you dedicate to these high-weightage topics in JEE Main 2027 Chemistry
Frequently Asked Questions (FAQs)
Based on previous years' questions analyses, "Purification and Characterisation of Organic Compounds" and "Principles Related to Practical Chemistry" are the most ignored but high-weightage chapters.
Dedicate at least one full day exclusively to these topics, maintain a separate notebook for quick revision, and ensure you attempt related questions whenever you solve mock papers.
Many students focus more on lengthy or popular chapters and leave short NCERT-based topics for the end of their preparation. As a result, several scoring chapters are often neglected despite having decent weightage.
Most questions from topics such as Practical Chemistry and Purification of Organic Compounds are largely NCERT-based. However, students should also solve previous year questions and mock tests for better preparation.
The number of questions varies each year, but these chapters frequently contribute one or more questions across different JEE Main sessions, making them important scoring areas.
Students should prepare concise notes, revise NCERT concepts regularly, solve previous year questions, and include these chapters in their mock test analysis to improve retention.
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