The Class 12 Chemistry Quick Revision Notes 2026-27 by Adarsh Barnwal are designed to help CBSE students revise the entire Chemistry syllabus in a short time with maximum efficiency. These concise revision notes cover all important chapters from Physical, Organic, and Inorganic Chemistry, including high-weightage units like Electrochemistry, Chemical Kinetics, Coordination Compounds, Haloalkanes & Haloarenes, Alcohols Phenols & Ethers, Amines, and Biomolecules.
Each topic is explained in an exam-oriented manner with key formulas, important reactions, mechanisms, definitions, and frequently asked concepts, making these notes ideal for last-minute revision before the CBSE Class 12 Board Exams 2026-27. Class 12 Chemistry Quick revision notes 2026 pdf.
Jee Main & Advanced College ( JoSAA ) Predictor – Click
CBSE Class 12 Chemistry Deleted Syllabus 2026-27
The CBSE Class 12 Chemistry Deleted Syllabus 2026–27 includes the removal of several chapters and topics from both Organic and Physical Chemistry to reduce the academic load on students. As per the latest CBSE curriculum, complete chapters like Surface Chemistry, Polymers, p-Block Elements, Chemistry in Everyday Life, and General Principles and Processes of Isolation of Elements have been deleted.
Additionally, Organic Compounds Containing Nitrogen has been renamed as Amines (Unit 9), and topics such as Cyanides and Isocyanides have been removed from the syllabus. With these changes, CBSE has shifted focus towards high-scoring and conceptually important units like Electrochemistry, Chemical Kinetics, Coordination Compounds, Haloalkanes and Haloarenes, Alcohols Phenols and Ethers, helping students prepare more effectively for CBSE Class 12 Board Exams 2026.
| 🔢 No. | 📘 Category | ❌ Deleted / Modified Content (2026–27) |
|---|---|---|
| 1 | Complete Chapters Deleted | Surface Chemistry |
| General Principles and Processes of Isolation of Elements | ||
| p-Block Elements | ||
| Polymers | ||
| Chemistry in Everyday Life | ||
| 2 | Topics Modified / Renamed | Organic Compounds containing Nitrogen → Renamed as Amines (Unit 9) |
| 3 | Topics Removed | Cyanides and Isocyanides |
Jee Main College , Rank & Percentile Predictor Free – Use
CBSE Class 12 Chemistry Marking Scheme 2026
CBSE 12th chemistry marking scheme includes both theoretical and practical exams, where 70 marks are for theory and 30 for practicals. To excel in the evaluation, students must grasp the grading system, important topics, exam format.
| Sections | Type of Questions | No of Questions | Marks | Total Marks |
|---|---|---|---|---|
| A | MCQs | 16 | 1 Mark Each | 16 |
| B | Very Short Answer Type Questions | 5 | 2 Marks Each | 10 |
| C | Short Answer Type Questions | 7 | 3 Marks Each | 21 |
| D | Case-Study Based Questions | 2 | 4 Marks Each | 8 |
| E | Long Answer Type Questions | 3 | 5 Marks Each | 15 |
| Total | 33 | 70 |
Class 12th Chemistry Unit-Wise Weightage
| Unit | Unit Name | Marks |
|---|---|---|
| I | Solutions | 7 |
| II | Electrochemistry | 9 |
| III | Chemical Kinetics | 7 |
| IV | d- and f-Block Elements | 7 |
| V | Coordination Compounds | 7 |
| VI | Haloalkanes and Haloarenes | 6 |
| VII | Alcohols, Phenols and Ethers | 6 |
| VIII | Aldehydes, Ketones and Carboxylic Acid | 8 |
| IX | Amines | 6 |
| X | Biomolecules | 7 |
| Total | 70 Marks |
Jee Main College , Rank & Percentile Predictor Free – Use
Chemistry QUICK REVISION NOTES PDF
Class 12 Chemistry rapid Revison Very Short Notes – PDF
Important questions – Inorganic Chemistry Class 12- DOWNLOAD ( click )
Most Important Objective Questions Chemistry Class 12 – Download PDF
Important Name Reactions of Organic PDF
NCERT Chemistry DO or DIE questions
NOTE– This Notes is not mine , I have received it from One of my student ( AMRIT RAJ – class 12 – 97% @2019 ). I found it very useful , Thats why I am sharing it with you guys , Hope you all love it
Comments are closed.