Maharashtra HSC 12th Chemistry Paper 2026: Chapterwise Important Questions & Weightage, Last-Minute Revision Plan
Maharashtra HSC 12th Chemistry Paper 2026: check chapter-wise important questions, high-weightage topics, official MSBSHSE exam pattern (70 marks theory + 30 practical), section-wise marking scheme, repeated board concepts, numericals from Physical Chemistry, organic named reactions and inorganic theory along with a 48-hour smart revision strategy to boost last-minute preparation and scoring before the 18 February 2026 exam.
Maharashtra HSC 12th Chemistry Paper 2026: Chapter-Wise Important Questions, Exam Pattern & Smart Revision Strategy
The Maharashtra State Board HSC Chemistry exam 2026 will be held on 18 February 2026 (11:00 AM – 2:00 PM). With limited time remaining, focusing on high-weightage chapters and repeated concepts can significantly improve your marks.
This guide is prepared using the MSBSHSE blueprint, recent board papers and syllabus trends. It is written purely for last-moment revision and scoring.
Official Exam Pattern 2026 (Theory 70 Marks)
| Section | Marks | Question Type | Attempt Rule |
| Section A | 18 | 10 MCQ + 8 Very Short Answers | All compulsory |
| Section B | 16 | Short Answers (2 marks) | Attempt 8 out of 12 |
| Section C | 24 | Numericals / Reactions (3 marks) | Attempt 8 out of 12 |
| Section D | 12 | Long Answers (4 marks) | Attempt 3 out of 5 |
Objective portion: 25–28% of paper
Numericals: Mostly Physical Chemistry (12–15 marks)
Practical Marks (30): Long Experiment 10 + Short 5 + Activity 5 + Viva 5 + Journal 5
Passing: 35% aggregate (Theory + Practical)
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Chapter-Wise Weightage 2026
| Branch | Important Chapters | Approx Marks |
| Physical Chemistry | Thermodynamics, Electrochemistry, Solutions, Ionic Equilibria | 26–38 |
| Inorganic Chemistry | p-Block, d & f Block, Coordination Compounds | 17–23 |
| Organic Chemistry | Aldehydes/Ketones/Acids, Halogen Derivatives, Alcohols, Amines | 18–25 |
| Applied Chemistry | Biomolecules, Polymers, Green Chemistry | 9–12 |
Highest Weightage Chapters (Prepare First)
- 1. Chemical Thermodynamics (6–8 marks)
- 2. Aldehydes, Ketones & Carboxylic Acids (6–8 marks)
- 3. p-Block + d/f Block (12–16 marks combined)
- 4. Electrochemistry (5–7 marks)
Most Important Questions (Trend Based)
| Chapter | Most Expected Questions |
| Solid State | Unit cell types, density formula numerical, packing efficiency, defects |
| Solutions | Raoult’s law derivation, colligative property numericals, osmotic pressure |
| Ionic Equilibria | Buffer equation, Ksp numerical, hydrolysis of salts |
| Thermodynamics | Hess law, Born-Haber cycle, ΔG = ΔH − TΔS, bond enthalpy |
| Electrochemistry | Nernst equation, conductivity graphs, fuel cell |
| Chemical Kinetics | First order reaction, Arrhenius equation, half-life numericals |
| p-Block | Xe compounds structure, ozone, contact process |
| d-Block | Lanthanide contraction, KMnO₄ & K₂Cr₂O₇ reactions |
| Coordination Compounds | IUPAC naming, isomerism, magnetic properties |
| Aldehydes/Ketones/Acids | Aldol, Cannizzaro, Haloform, Clemmensen & Wolff-Kishner |
| Amines | Hoffmann bromamide, Carbylamine, Hinsberg test |
2026 Board Papers PDF
Download Papers PDF , Important Questions & Get Updates for 2026 Board Exams.
48-Hour Revision Plan
| Day | Focus |
| 16 Feb Evening | Thermodynamics + Organic reactions + Definitions |
| 17 Feb Morning | p-Block + d/f-Block |
| 17 Feb Afternoon | Electrochemistry + Kinetics numericals |
| 17 Feb Night | Halogen derivatives + Alcohols + Amines |
| 18 Feb Morning | Biomolecules + Polymers + Coordination compounds + formulas |
Don't Do this Before Exam
- 1. No new chapter
- 2. No full paper solving
- 3. Revise only important questions
- 4. Sleep minimum 7 hours
- 5. Reach exam centre early
If you revise only the high-yield chapters above, scoring 55–65+ marks in theory is very achievable.
