NCERT Class 12 Chemistry: Complete Chapter-wise Guide with Solutions, Notes & Exam Tips (2025-26)
Introduction
Struggling with Class 12 Chemistry NCERT? This ultimate guide provides chapter-wise solutions, important topics, weightage analysis, and expert strategies to help you score 90+ in CBSE Boards and ace JEE/NEET exams.
Why NCERT Class 12 Chemistry is Crucial?
✅ CBSE Board Priority – 90% of questions come directly from NCERT
✅ JEE/NEET Foundation – Direct NCERT concepts appear in competitive exams
✅ Concept Clarity – Simplifies complex topics like Organic Chemistry & Electrochemistry
✅ Practical & Numerical Focus – Covers viva, lab work, and numerical problem-solving
📚 NCERT Class 12 Chemistry: Chapter-wise Solutions & Weightage (2024-25)
| Chapter | Key Topics | Weightage (CBSE) | JEE/NEET Relevance | Download PDF | Video Lessons |
|---|---|---|---|---|---|
| 1. The Solid State | Crystal lattices, Unit cells | 4% | Moderate | 📥 Download | ▶ Watch |
| 2. Solutions | Colligative properties, Raoult’s law | 5% | High (NEET) | 📥 Download | ▶ Watch |
| 3. Electrochemistry | Nernst eq., Conductance | 7% | Very High (JEE) | 📥 Download | ▶ Watch |
| 4. Chemical Kinetics | Rate laws, Arrhenius eq. | 5% | High | 📥 Download | ▶ Watch |
| 5. Surface Chemistry | Adsorption, Catalysis | 3% | Low | 📥 Download | ▶ Watch |
| 6. General Principles of Metallurgy | Extraction processes | 3% | Moderate (NEET) | 📥 Download | ▶ Watch |
| 7. p-Block Elements | Group 15-18 compounds | 8% | High (NEET) | 📥 Download | ▶ Watch |
| 8. d & f-Block Elements | Transition metals, Lanthanides | 5% | High (JEE) | 📥 Download | ▶ Watch |
| 9. Coordination Compounds | Werner’s theory, Isomerism | 7% | Very High (NEET) | 📥 Download | ▶ Watch |
| 10. Haloalkanes & Haloarenes | SN1/SN2 reactions | 6% | High (JEE) | 📥 Download | ▶ Watch |
| 11. Alcohols, Phenols & Ethers | Preparation, Reactions | 6% | Very High | 📥 Download | ▶ Watch |
| 12. Aldehydes, Ketones & Carboxylic Acids | Name reactions | 8% | Very High | 📥 Download | ▶ Watch |
| 13. Amines | Diazotization, Tests | 5% | High (NEET) | 📥 Download | ▶ Watch |
| 14. Biomolecules | Carbohydrates, Proteins | 4% | Moderate (NEET) | 📥 Download | ▶ Watch |
| 15. Polymers | Classification, Uses | 3% | Low | 📥 Download | ▶ Watch |
| 16. Chemistry in Everyday Life | Drugs, Cleansing agents | 3% | Low | 📥 Download | ▶ Watch |
🔗 Download All NCERT Solutions PDF | Watch Full Playlist
🎯 High-Weightage Topics for JEE & NEET
📌 JEE Main Focus:
✔ Electrochemistry (Nernst Eq., Conductance)
✔ Coordination Compounds (Isomerism, Werner’s Theory)
✔ Aldehydes/Ketones (Name Reactions, Mechanisms)
✔ Chemical Kinetics (Rate Laws, Arrhenius Eq.)
📌 NEET Focus:
✔ Solutions (Colligative Properties, Raoult’s Law)
✔ p-Block Elements (Group 15-18 Compounds)
✔ Coordination Compounds (Crystal Field Theory)
✔ Biomolecules (Carbohydrates, Proteins)
📌 NCERT Class 12 Chemistry: Key Features
✔ Detailed Chapter-wise Solutions – In-text & back exercise problems
✔ Reaction Mechanisms – Arrow-pushing diagrams for Organic Chemistry
✔ Numerical Banks – Electrochemistry, Solutions, Kinetics
✔ Exam-Oriented Notes – Important derivations, formulas, and shortcuts
📊 CBSE Class 12 Chemistry: Unit-wise Marks Distribution
| Unit | Topics | Marks |
|---|---|---|
| Unit 1 | Solid State, Solutions | 10 |
| Unit 2 | Electrochemistry, Kinetics | 12 |
| Unit 3 | Surface Chemistry, Metallurgy | 6 |
| Unit 4 | p-Block, d/f-Block | 10 |
| Unit 5 | Coordination Compounds | 7 |
| Unit 6 | Haloalkanes, Alcohols | 10 |
| Unit 7 | Aldehydes, Amines, Biomolecules | 10 |
| Unit 8 | Polymers, Everyday Life | 5 |
Total Marks: 70 (Theory) + 30 (Practical)
🔥 Last-Minute Preparation Tips
✔ Revise NCERT Examples & Exercises – 70% of CBSE paper comes from here
✔ Practice Name Reactions (Organic) – Gattermann, Sandmeyer, Cannizzaro
✔ Memorize Formulas (Physical Chem) – Nernst, Arrhenius, Raoult’s Law
✔ Solve Previous Year Papers – Identifies repeating question patterns
📥 Free Resources
✅ NCERT Class 12 Chemistry PDF
✅ Chapter-wise Mind Maps
✅ JEE/NEET Formula Sheets
✅ CBSE Sample Papers 2025
❓ Frequently Asked Questions (FAQs)
Q1. Is NCERT enough for 90+ in Class 12 Chemistry?
A: Yes, if you solve all examples, in-text questions, and exercises thoroughly.
Q2. Which chapters are most important for JEE?
A: Electrochemistry, Coordination Compounds, Aldehydes/Ketones, Chemical Kinetics.
Q3. How to remember Organic Reactions?
A: Use reaction maps and practice mechanisms daily.
Q4. Can I skip Polymers & Everyday Life?
A: No! Even 3-mark chapters can affect your percentage.
🎯 Final Verdict
Mastering NCERT Class 12 Chemistry is non-negotiable for CBSE Boards, JEE, and NEET. Follow this guide, practice consistently, and use PYQs for revision to score 95+!