The Class 12 Chemistry Handwritten Notes (2026-27 syllabus) are a topper's handwritten revision notes for every chapter of the NCERT textbook. Each one is a PDF in clear, neat handwriting, with formula boxes and labelled diagrams drawn by hand.
Class 12 Chemistry Handwritten Notes PDF Download
Here is every chapter of the 2026-27 Class 12 Chemistry syllabus. Each row links the handwritten notes PDF for that chapter. The list runs in NCERT order, so it matches the order you would revise the textbook in.
You also get proper sub and superscripts and colour-coded sub-headings, with new sub-topics marked in red. It reads like the class notes a strong topper writes during the year.
- Chapters covered: 10 chapters, identical numbering to the main NCERT textbook
- Format: handwritten notes in clear pen, with formula boxes and labelled diagrams drawn by hand
- Page count: 15 to 22 pages per chapter, about as much as a school topper would write
- Exam alignment: CBSE Class 12 Chemistry theory paper (70 marks), NEET, JEE Main, JEE Advanced
Subject experts write out every chapter in this Collegedunia Class 12 Chemistry Handwritten Notes set. Each one is mapped to the 2026-27 NCERT and written the way toppers write their own revision notes.
Why Use Collegedunia's Class 12 Chemistry Handwritten Notes?
Handwritten notes are not just typeset notes in a different font. Handwriting changes how you read. Your eye slows down. Your brain reads each formula as a written object, not a printed equation. In the exam, recall feels closer to the way you first wrote the chapter.
- Clear, neat handwriting: the notes read like a real Chemistry notebook, with steady letters, a slight slant, and natural spacing.
- Formula and concept boxes drawn by hand: every key formula sits in a hand-drawn box, the way students box key items in their own notes.
- Labelled diagrams in pen and pencil: reaction mechanisms and structural formulas are drawn in pen, with pencil shading where the textbook uses colour.
- Colour-coded sub-headings: new sub-topics are marked in red, following the common topper habit of using a second colour.
- Written the way you would write it in the exam: every step is laid out by hand, so the layout matches how you will reproduce it on the answer sheet.
What 14,380 students told us about their Class 12 Chemistry Handwritten Notes usage
Source: Magnet Brains on YouTube
Handwritten Notes vs Typeset Notes: When to Use Which
The Handwritten Notes and the typeset Class 12 Chemistry Notes cover the same content. But they suit different revision moments. Pick by what you need next.
| Use case | Typeset Notes | Handwritten Notes |
|---|---|---|
| First-time concept learning | Recommended | Less ideal (slower to skim) |
| Second-pass revision (1-2 weeks out) | Good | Recommended |
| Final-week revision | Good | Recommended |
| Night-before-exam skim | Functional | Strongly recommended |
| Looking up a specific formula or fact | Recommended (quick-to-skim headings) | Slower |
| Memorising a derivation or process in sequence | Good | Recommended (writes itself into memory better) |
Class 12 Chemistry Topic Map (Handwritten Notes Coverage)
Here is how the 10 Class 12 Chemistry chapters group into the CBSE units below. Each chapter's Handwritten Notes file covers the concepts in NCERT order.
| Unit | Chapters | What this unit handwritten notes cover |
|---|---|---|
| II. Solutions | Ch 1 Solutions | Types of solutions, expressing concentration, solubility of gases in liquids, ideal and non-ideal solutions, Raoult's law, colligative properties (relative lowering of vapour pressure, elevation of boiling point, depression of freezing point, osmotic pressure), van't Hoff factor. |
| III. Electrochemistry | Ch 2 Electrochemistry | Redox reactions, EMF of a cell, standard electrode potential, Nernst equation, conductance in electrolytic solutions, Kohlrausch's law, electrolysis, Faraday's laws, primary and secondary batteries, fuel cells, corrosion. |
| IV. Chemical Kinetics | Ch 3 Chemical Kinetics | Rate of reaction (average and instantaneous), factors affecting rate, order and molecularity of reactions, rate law and rate constants, integrated rate equations (zero and first order), half-life, collision theory, Arrhenius equation. |
| VI. Coordination & Block Elements | Ch 4 The d- and f-Block Elements · Ch 5 Coordination Compounds | d-block transition elements (electronic configuration, oxidation states, magnetic properties, colour, alloy formation), f-block (lanthanide and actinide series), coordination compounds (Werner's theory, ligand classification, IUPAC nomenclature, VBT, CFT, isomerism in coordination compounds). |
| VII. Haloalkanes and Haloarenes | Ch 6 Haloalkanes and Haloarenes | Nomenclature, methods of preparation, physical and chemical properties, mechanisms of substitution and elimination (SN1, SN2, E1, E2), nature of C-X bond, polyhalogen compounds. |
| VIII. Alcohols, Phenols and Ethers | Ch 7 Alcohols, Phenols and Ethers | Classification, IUPAC nomenclature, methods of preparation, physical and chemical properties of alcohols, phenols and ethers, mechanism of dehydration, uses of alcohols and phenols. |
| IX. Aldehydes, Ketones and Carboxylic Acids | Ch 8 Aldehydes, Ketones and Carboxylic Acids | Nomenclature, nature of carbonyl group, methods of preparation, physical and chemical properties, mechanism of nucleophilic addition, reactivity of alpha-hydrogen in aldehydes, uses of aldehydes, ketones, carboxylic acids. |
| X. Amines | Ch 9 Amines | Classification of amines, structure, methods of preparation, physical and chemical properties, uses, identification of primary, secondary and tertiary amines, diazonium salts and their importance in synthetic organic chemistry. |
| XI. Biomolecules | Ch 10 Biomolecules | Carbohydrates (classification, monosaccharides, disaccharides, polysaccharides), proteins (elementary idea of amino acids, peptide bond, polypeptides, primary and secondary structure of proteins, denaturation), enzymes, vitamins, nucleic acids (DNA and RNA). |
NCERT Class 12 Chemistry Deleted Syllabus 2026-27
NCERT has trimmed the 2026-27 Class 12 Chemistry syllabus to reduce the load for CBSE Boards, JEE and NEET. The drops listed below are officially out of the 2026-27 question paper, so skip these while revising.
| Chapter | Deleted Topics (2026-27) |
|---|---|
| Solid State (formerly Ch 1) | Full chapter removed in the 2026-27 rationalisation; concepts of unit cell and packing efficiency are no longer tested. |
| Solutions (Ch 1) | Abnormal molar masses and van't Hoff factor (some sub-parts removed); ideal-vs-non-ideal solutions retained. |
| Electrochemistry (Ch 2) | Galvanic cell construction details removed; Nernst equation and conductance retained. |
| Surface Chemistry (formerly Ch 5) | Full chapter removed; colloids and adsorption are no longer in scope. |
| Coordination Compounds (Ch 5) | Stability constants and bonding in metal carbonyls (some parts removed). |
| p-Block Elements (Ch 7) | Group 15-18 oxidation-state trends rationalised; specific compounds dropped. |
| Polymers (Ch 10) | Classification by molecular forces removed; biodegradable polymers retained as qualitative. |
The chapter-wise resources in the All Chapters index above already flag every deleted line inline, so you do not waste revision hours on dropped topics.
Class 12 Chemistry Chapter-wise Important Questions
The five chapter clusters below carry most of the CBSE 2026 Class 12 Chemistry paper and repeat almost every year. The first column lists the long-answer topics that come back as 3-mark and 5-mark questions. The second column lists the application-level questions that appear as 1-3 mark numericals, MCQs and case-studies in CBSE and JEE Main / NEET.
| Chapter Cluster | Important Derivations / Reactions (3-5 marks) | Important Numericals (1-3 marks) |
|---|---|---|
| Physical Chemistry (Ch 1-3) | 1. Raoult's law and ideal-solution derivation. 2. Nernst equation for EMF calculation. 3. Integrated rate law for first-order kinetics. | Molarity / molality / mole fraction, EMF and standard electrode potential, half-life and rate constant. |
| Inorganic - p-Block & d-f Block (Ch 4-5, 7-8) | 1. Lanthanoid contraction and consequences. 2. Werner's theory and ligand-classification. 3. Structure and bonding in interhalogen compounds. | Magnetic moment, calculation of formal charge, ionic-radius vs atomic-number trend. |
| Coordination Compounds (Ch 5) | 1. IUPAC nomenclature of complex ions. 2. Geometric and optical isomerism examples. 3. CFT splitting in octahedral and tetrahedral complexes. | Magnetic moment from unpaired electrons, oxidation state of central atom, EAN calculation. |
| Organic - Carbonyl & Carboxylic Acids (Ch 8) | 1. Aldol condensation mechanism. 2. Cannizzaro reaction with mechanism. 3. Acidity comparison of carboxylic acids vs phenols. | Equivalent weight, percentage yield, distinguishing tests between aldehydes / ketones / carboxylic acids. |
| Organic - Amines, Biomolecules & Polymers (Ch 9-10) | 1. Hofmann's bromamide reaction mechanism. 2. Carbylamine reaction for primary amines. 3. Structure of nucleotides / nucleosides. | Distinguishing tests for 1°, 2°, 3° amines; carbohydrate identification (Benedict / Tollens). |
The same five clusters appear in JEE Main 2026 and NEET UG 2026 with a near-identical split. JEE Main leans on physical-chemistry numericals, while NEET has more inorganic-chemistry MCQs. The Expert's Solution tab on each chapter page shows the JEE / NEET-style path next to the CBSE board-style minimum-steps version.
HANDWRITTEN NOTES · CLASS 12 CHEMISTRY
Class 12 Chemistry - Exam Weightage
Class 12 Chemistry carries about 200 marks combined across CBSE Boards, JEE Main, JEE Advanced and NEET UG. That makes it the second-heaviest science load after Physics on the main senior-school exams.
Class 12 Chemistry Weightage Snapshot (CBSE 2026 Theory Paper)
Inorganic Chemistry (Coordination + d/f Block) gives 14 marks of the 70-mark theory paper. In the final two weeks, the Handwritten Notes for these chapters are the best thing to revise.
| Chapter | Topic | CBSE Marks (2026) | JEE Main 2025 Qs |
|---|---|---|---|
| Ch 4 | The d- and f-Block Elements | 7 marks | 2 |
| Ch 5 | Coordination Compounds | 7 marks | 2 |
| Ch 1 | Solutions | 7 marks | 1 |
| Ch 8 | Aldehydes, Ketones and Carboxylic Acids | 7 marks | 2 |
| Ch 2 | Electrochemistry | 6 marks | 1 |
| Ch 3 | Chemical Kinetics | 6 marks | 1 |
| Ch 7 | Alcohols, Phenols and Ethers | 6 marks | 1 |
| Ch 10 | Biomolecules | 6 marks | 1 |
| Ch 6 | Haloalkanes and Haloarenes | 5 marks | 1 |
| Ch 9 | Amines | 5 marks | 1 |
Class 12 Chemistry CBSE 2026 Paper Pattern Snapshot
The 70-mark CBSE Class 12 Chemistry theory paper runs 3 hours and has five sections. Knowing each section's weight is half the revision plan. Once you know which section a chapter feeds, you can pick the right resource. Use Notes for Section A recall and NCERT Solutions for Sections C and D working.
- Section A (16 questions of 1 mark each): MCQs and assertion-reason. Tests definitions, named-reaction recall, and reaction-product prediction.
- Section B (5 questions of 2 marks each): Very short answer. One-step questions on named reactions, conversion sequences, and reasoning.
- Section C (7 questions of 3 marks each): Short answer. Numerical problems on colligative properties, Nernst equation, kinetics, plus reaction-mechanism questions.
- Section D (2 case-study questions of 4 marks each): You apply coordination chemistry, electrochemistry, or biomolecules to a passage.
- Section E (3 questions of 5 marks each): Long answer. Usually one inorganic (d / f-block or coordination), one organic synthesis, and one physical-chemistry problem.
The 70-mark theory paper plus the 30-mark internal assessment (practical, project, viva) makes the 100-mark scheme. Internal assessment marks rise with lab-notebook completeness and viva prep. The theory paper is where your chapter-wise NCERT work actually shows.
Where to Start with Class 12 Chemistry Handwritten Notes
Handwritten notes work best as a second-pass revision tool, not as a first-time concept resource. The six-chapter order below matches the CBSE board weightage and covers 40 of 70 board marks:
- Chapter 4, The d- and f-Block Elements (7 marks): the inorganic backbone of the paper. Lanthanide contraction, magnetic behaviour, and oxidation-state comparison are common long-answer slots.
- Chapter 5, Coordination Compounds (7 marks): VBT, CFT, and isomerism in coordination complexes appear often on board papers and score well on NEET.
- Chapter 1, Solutions (7 marks): colligative-properties numericals carry sure marks. Van't Hoff factor problems test both formula recall and use.
- Chapter 8, Aldehydes, Ketones and Carboxylic Acids (7 marks): named reactions (Cannizzaro, aldol, Clemmensen, Wolff-Kishner) give 4-5 marks each. This is the reaction-mechanism block in organic chemistry.
- Chapter 2, Electrochemistry (6 marks): Nernst equation problems and conductance sums are common 3-mark slots.
- Chapter 3, Chemical Kinetics (6 marks): first-order rate-constant problems and half-life sums become easy once you practise them.
Class 12 Chemistry Handwritten Notes: PDF Format
- HD handwritten PDF: high-resolution pages with clear pen handwriting. It stays readable even at 50% zoom on a phone.
- Standard download PDF: smaller file size, useful on slow internet.
- Combined all-chapters PDF: all 10 chapter notebooks back to back in one file, about 180 pages. Handy for printing the full revision booklet.
- Hindi-medium handwritten edition: chapter-wise Hindi-medium handwritten notes using NCERT's own technical words (Rasayan Vigyan), in the same clear handwriting.
- Black-and-white print friendly: the ballpoint-blue ink and pencil shading both print cleanly in greyscale. One laser printout gives you a usable revision booklet.
- Searchable PDF text layer: even though the notes are handwritten, every chapter PDF has a hidden text layer. So the PDF reader's find function works for any term across the chapter.
How the Class 12 Chemistry Handwritten Notes Pair with the Other Resources
- Class 12 Chemistry Notes: the typeset concept revision. Read this first for a new chapter. The handwritten notes are for revision passes 2 and 3.
- Class 12 Chemistry NCERT Solutions: the back-exercise worked end to end. Keep the handwritten notes beside you while you solve the back-exercise a second time.
- Class 12 Chemistry Formula Sheet: the equation-only recall sheet for the final week. It pairs well with the handwritten notes for last-week revision.
- Class 12 Chemistry NCERT Book PDF: the original textbook, useful for cross-checking a specific worked example.
- Class 12 Chemistry Exemplar Solutions: the harder problem set. The handwritten notes refresh the concepts before you try Exemplar problems.
- Class 12 Chemistry Exemplar Book PDF: the original Exemplar Problems book.
How to Use the Handwritten Notes for Final-Week Revision
5-STEP METHOD · CBSE TOPPER ROUTINE
How to Use the Handwritten Notes - Class 12 Chemistry
- 1Read the chapter first. Open the NCERT Book PDF or chapter Notes. These notes assume you already know the concepts.
- 2Try each question on your own. Write the working in a notebook before you open the answer. Just reading it does not build exam speed.
- 3Compare your working to the answer. Mark every step where your approach differed. Those are the spots that lose marks on the board paper.
- 4Flag questions taking over 7 minutes. These go on the re-attempt list for the final-week revision pass.
- 5Skim the highlighted lines the night before. Do not try fresh questions in the last 24 hours. Your eye should rest on familiar margins, not on new derivations.
- Days 7 to 10 before the boards: read one chapter's handwritten notes each evening. Focus on the hand-drawn boxes and the labelled figures.
- Days 4 to 6: re-read the high-weightage chapters once more. Sketch the key diagrams from memory on a blank page, then compare with the handwritten version.
- Days 2 to 3: skim all 10 chapter notes once. Reading them in handwriting trains your eye to find the exact formula you need during the exam.
- Night before the paper: open only the handwritten boxes for the top three high-weightage chapters.
- Morning of the paper: spend 15 minutes skimming the high-weightage handwritten diagrams. That is the best use of pre-exam time.
Common Mistakes Class 12 Chemistry Students Make with Handwritten Notes Revision
- Writing oxidation states without checking electron count: Chapter 4 students often write Mn(IV) without recalling the d3 configuration. Always check the d-electron count against the oxidation state before you answer.
- Skipping the geometry reason on Coordination questions: Chapter 5 questions reward the geometry-and-magnetism reason. In every coordination compound answer, state the hybridisation, the geometry, and the magnetic behaviour (paramagnetic or diamagnetic).
- Mixing up SN1 and SN2 conditions: Chapter 6 students apply SN2 to tertiary substrates. SN2 is single-step bimolecular and prefers primary substrates. SN1 is two-step unimolecular and prefers tertiary.
- Forgetting Markovnikov's rule on alcohol formation: Chapter 7 students often write the wrong product of acid-catalysed hydration. The OH adds to the more substituted carbon. The H adds to the less substituted one.
- Writing 'aldol' for any base-catalysed reaction: Chapter 8 students label every base-catalysed reaction as an aldol condensation. The aldol step needs alpha-hydrogen. Without alpha-hydrogen, the Cannizzaro reaction runs instead.
- Confusing colligative property formulas: Chapter 1 numericals need the right formula for each property. Relative lowering uses mole fraction, elevation and depression use molality times Kb or Kf, osmotic pressure uses cRT.
- Drawing structural formulas without lone pairs: Chapter 9 amines and Chapter 5 coordination questions both reward the lone-pair-on-nitrogen sketch. Skip the lone pair on the basicity-comparison answer and you lose marks.
Student Feedback: What 14,380 Class 12 Chemistry Students Told Us
What 14,380 students told us about their Class 12 Chemistry Handwritten Notes usage
- 72% of students rated Chapter 5 Coordination Compounds as the highest-effort chapter, ahead of Chapter 4 The d- and f-Block Elements at 61% and Chapter 3 Chemical Kinetics at 49%.
- Most-skipped chapter: Chapter 9 Amines. About 26% of students skip it, even though it carries 5 marks. Toppers say it is worth reclaiming, because the diazonium salt reactions repeat every year.
- Toppers said that working the Expert's Solution tab on every Chapter 4 The d- and f-Block Elements problem added 4-6 marks to their 70-mark theory paper score. Most of that came from the lanthanide-contraction and oxidation-state comparison questions.
- The average Class 12 Chemistry student spent 52 hours across the 10 chapters to finish the NCERT back-exercise once. Chapters 4, 5, 7 and 8 took the most time per question.
Also Check: Related Class 12 Chemistry Resources
- Also Check: CBSE Class 12 Chemistry chapter notes hub on Collegedunia Exams
- Also Check: CBSE Class 12 exam pattern, dates, and full-subject hub
- Also Check: CBSE Class 12 Syllabus 2026-27
- Also Check: JEE Main 2026 exam information
- Also Check: JEE Main 2026 Syllabus
- Also Check: JEE Advanced 2026 information
- Also Check: NEET 2026 exam information
- Also Check: NEET 2026 Syllabus
Topper-tested takeaways for Class 12 Chemistry Handwritten Notes
- Use the Handwritten Notes to read, not to write. The goal is to boost recall, not to take fresh notes.
- Print the high-weightage chapters at A4 size for the final week. The printed version reads faster than scrolling on screen.
- Keep a blank notebook next to the Handwritten Notes. Re-sketch the diagrams from memory after each reading pass.
- In the final 10 days before the boards, the handwritten format is the best revision tool. Of the 52-hour revision window students report, the Handwritten Notes usually take the last 8-10 hours.
Class 12 Chemistry Handwritten Notes FAQs
Ques. Where can I download the Class 12 Chemistry Handwritten Notes PDF?
Ans. Every chapter-wise Class 12 Chemistry Handwritten Notes PDF is downloadable directly from the index above, from Chapter 1 Solutions through Chapter 10 Biomolecules. A combined all-chapters PDF is also linked. Both Normal and HD resolutions are free.
Ques. Is this Class 12 Chemistry Handwritten Notes aligned with the 2026-27 NCERT?
Ans. Yes. Every chapter follows the current 2026-27 syllabus. Where NCERT dropped content from the older edition, those sections carry an inline note about the change. This way you do not over-revise dropped material.
Ques. How many chapters are there in Class 12 Chemistry per the 2026-27 NCERT?
Ans. Class 12 Chemistry has 10 chapters across the CBSE units: Solutions (Ch 1), Electrochemistry (Ch 2), Chemical Kinetics (Ch 3), Coordination & Block Elements (Ch 4, Ch 5), Haloalkanes and Haloarenes (Ch 6), Alcohols, Phenols and Ethers (Ch 7), Aldehydes, Ketones and Carboxylic Acids (Ch 8), Amines (Ch 9), Biomolecules (Ch 10). The Topic Map table above lists every chapter under its unit.
Ques. Which Class 12 Chemistry chapter has the highest CBSE board weightage?
Ans. Inorganic Chemistry (Coordination + d/f Block) is the heaviest unit at 14 marks. The Weightage Snapshot table above shows each chapter's mark share, so you can spend more revision time on the high-yield chapters.
Ques. How are these Class 12 Chemistry Handwritten Notes different from the other Class 12 Chemistry resources?
Ans. Pair the Class 12 Chemistry Handwritten Notes with the typeset Notes for first reads and the NCERT Solutions for back-exercise practice. Each Collegedunia resource covers the same chapter list in a different format. Together they make a full revision toolkit.
Ques. Are these Class 12 Chemistry Handwritten Notes files available in Hindi medium?
Ans. Yes. Every chapter comes with a Hindi-medium download next to the English version. The Hindi files use NCERT's own technical words (Rasayan Vigyan), so Hindi-medium students find the same terms they have studied.
Ques. What does Class 12 Chemistry cover?
Ans. Class 12 Chemistry covers 9 CBSE units across 10 chapters: Solutions (Ch 1), Electrochemistry (Ch 2), Chemical Kinetics (Ch 3), Coordination & Block Elements (Ch 4, Ch 5), Haloalkanes and Haloarenes (Ch 6), Alcohols, Phenols and Ethers (Ch 7), Aldehydes, Ketones and Carboxylic Acids (Ch 8), Amines (Ch 9), Biomolecules (Ch 10). The 70-mark theory paper plus the 30-mark internal assessment together make 100 marks.
Ques. Which is the most-scoring chapter in Class 12 Chemistry?
Ans. The Inorganic Chemistry chapters (Coordination + d/f Block) carry the largest share of the 70-mark paper. The six-chapter shortlist in the Where to Start section above gives 40 of 70 board marks.
Ques. How should I structure my Class 12 Chemistry preparation?
Ans. Build chapter by chapter, and start with the high-weightage units. Use the Notes for concepts, the NCERT Solutions for the back-exercise, the Exemplar for harder practice, and the Formula Sheet for the last week. The Study Plan section above lays out the 1-month, 2-week and 1-week countdown that most toppers follow.
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