The Rajasthan Board of Secondary Education (RBSE) has released the Class 12th Chemistry syllabus 2026. Students can access the Class 12th RBSE Chemistry syllabus 2026 online at rajeduboard.rajasthan.gov.in. The RBSE 12th exam for the Chemistry paper will be divided into two parts, i.e., practical and theory. The theory paper will be held for 70 marks, and the practical examination will be conducted for 30 marks. The Rajasthan board class 12th chemistry syllabus consists of detailed information on what topics need to be covered for the examination.
RBSE 12th Chemistry Syllabus 2026
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The RBSE 12th syllabus 2026 for chemistry also includes the marking scheme. Students are advised to read the complete RBSE syllabus Class 12th Chemistry before the exam to score good marks. The syllabus gives them a direction on where to start the preparation. They can cover the chapters with high weightage first, then move on to the next chapter. Read below to learn in detail about the Rajasthan board 12th Chemistry Syllabus 2026.
The RBSE Chemistry syllabus for class 12th 2026 has been released online. The board has released the syllabus for all the subjects in a single PDF. Students are advised to read the RBSE 12th Chemistry syllabus 2026 so they can have a basic understanding of what must be covered to pass the examination. Below, we have provided the 2026 RBSE 12th Chemistry syllabus for both theory and practical papers for students’ knowledge.
S.No. | Title | Topics to study | Marks |
1 | Solutions | Types of Solutions- Solid, Liquid and gaseous solutions- Expressing Concentration of Solutions- Solubility of solids in Liquids - Solubility of gases in Liquids-Henry's Law, Vapour Pressure of Liquid Solutions- Raoult's Law- Determination of Molecular masses using Colligative Properties, Ideal and Non-ideal Solutions, Colligative PropertiesRelative Lowering of Vapour Pressure-Elevation of Boiling point- Depression of freezing point - Osmosis and osmotic pressure - Reverse osmosis and water purification, Abnormal Molar Masses-Van't hoff factor. | 6 |
2 | Electrochemistry | Electrochemical Cells, Galvanic Cells- Measurement of Electrode Potential- Standard Electrode Potential, Nernst Equation and its application to chemical cells- Equilibrium Constant from Nernst Equation- Electrochemical Cell and Gibbs Energy of the Reaction, Conductance of Electrolytic Solutions-Measurement of the Conductivity of Ionic Solutions-Molar Conductivity and Limiting Molar Conductivity Variation of Conductivity and Molar Conductivity with Concentration-Kohlrausch's Law, Electrolytic Cells - Electrolysis and Laws of Electrolysis- Products of Electrolysis, Primary BatteriesSecondary Batteries (Lead Accumulator) ,Fuel Cells, Corrosion. | 6 |
3 | Chemical Kinetics | Rate of a Chemical Reaction (Average and Instantaneous), Factors Influencing Rate of a Reaction-Dependence of Rate on Concentration- Rate Expression and Rate constantOrder of a Reaction- Molecularity of a Reaction, Integrated Rate Equations- Zero Order Reactions- First Order Reactions- Half-Life of a Reaction, Temperature Dependence of the Rate of a Reaction-Effect of Catalyst, Collision Theory of Chemical ReactionsActivation energy-Arrhenious equation. | 6 |
4 | d -and f -Block Elements | Position in the Periodic Table, Electronic Configurations of the d-Block Elements, General Properties of the Transition Elements (d-Block)-Physical Properties - Variation in Atomic and Ionic Sizes of Transition Metals- Ionisation Enthalpies- Oxidation States- Trends in the M2+/M Standard Electrode Potentials- Trends in the M3+/M2+ Standard Electrode Potentials- Trends of Stabilitiy of Higher Oxidation States- Chemical Reactivity and E Values- Magnetic Properties- Formation of Coloured Ions- Formation of Complex compounds- Catalytic Properties- Formation of Interstitial Compounds - Formation of Alloys, Preparation and Properties of K2 Cr2 O7 and KMnO4 , The Lanthanoids- Electronic Configurations, Atomic and Ionic Sizes- Lanthanoid Contraction and its Consequences- Oxidation States- General Characteristics- Chemical Reactivity,The Actinoids- Electronic Configurations- Ionic Sizes- Oxidation StatesGeneral Characteristics - Comparison with Lanthanoids, Some Applications of d- and fBlock Elements. | 5 |
5 | Coordination Compounds | Werner's Theory of Coordination Compounds, Definitions of Some Important Terms Pertaining to Coordination Compounds, Formulas and IUPAC Nomenclature of Mononuclear Coordination Compounds, Isomerism in Coordination CompoundsGeometric Isomerism- Optical Isomerism- Linkage Isomerism- Coordination IsomerismIonisation Isomerism- Solvate Isomerism, Bonding in Coordination Compounds- Valence Bond Theory-Magnetic Properties of Coordination compounds- Limitations of Valence Bond Theory- Crystal Field Theory- Colour in Coordination Compounds, Limitations of Crystal Field Theory, Bonding in Metal Carbonyls and Shapes, Importance and Applications of Coordination Compounds. | 5 |
6 | Haloalkanes and Haloarenes | Classification- Based on Number of Halogen Atoms- Compounds containing sp3 C–X Bond (X=F, Cl, Br,I)- Compounds containing sp2 C–X Bond, Nomenclature, Nature of C–X Bond, Methods of Preparation of Haloalkanes- From Alcohols- From HydrocarbonsFrom Halogen Exchange, Preparation of Haloarenes, Physical Properties, Chemical Reactions- Reactions of Haloalkanes- Optical Rotation - Mechanism of Nucleophilic Substitution Reactions- Reactions of Haloarenes, Polyhalogen Compounds-Dichloro methane (Methylene chloride)- Trichloromethane (Chloroform)- Triiodomethane (Iodoform)- Tetrachloromethane (Carbon tetrachloride) - Freons - p,p'- Dichlorodiphenyltrichloroethane (DDT). | 6 |
7 | Alcohols, Phenols and Ethers | Alcohols- Nomenclature- Methods of preparation- Physical and Chemical properties ( of primary alcohols only)- Identification of Primary, Secondary and Tertiary alcoholsMechanism of Dehydration- Uses with sepecial reference to Methanol and Ethanol, Phenols- Nomenclature -Methods of preparation- Physical and Chemical properties - Acidic nature of Phenol- Electrophilic substitution reaction- Uses of Phenols, EthersNomenclature- Methods of preparation- Physical and Chemical properties- Uses. | 6 |
8 | Aldehydes, Ketones and Carboxylic Acids | Aldehydes and Ketones - Nomenclature - Nature and Structure of Carbonyl Compounds - Methods of Preparation - Physical and Chemical Properties- Mechanism of Nucleophilic Addition Reaction-Reactivity of œ-Hydrogen in Aldehydes- Uses. Carboxylic Acids - Nomenclature - Acidic Nature and Structure - Methods of Preparation- Physical and Chemical Properties- Uses. | 7 |
9 | Amines | Amine - Classification - Structure - Nomenclature- Methods of Preparation- Physical Chemical Properties- Basic Character of Amines, Diazonium Salts - Method of Preparation - Chemical Reactions- Importance in Synthesis of Aromatic Compounds | 5 |
10 | Biomolecules | Carbohydrates- Classification (Aldoses and ketoses)-Monosaccharides (Glucose and Fructose) & D-L Configuration - Disaccharides (Sucrose, Lactose and Maltose), Polysaccharides (Starch, Cellulose and Glycogen) Importance of Carbohydrates, Proteins- Amino Acids (Peptide Bond, Polypeptides and Proteins)- Structure of Proteins - Denaturation of Proteins, Enzymes- Mechanism of Enzyme Action, Vitamins- Classification and Functions, . Nucleic Acids (DNA and RNA) - Chemical Composition- Structure - Biological Functions, Hormones - Elementary Idea (Excluding Structure). | 4 |
Total | 56 |
Particulars | Marks |
Titrimetric Analysis (Redox Reactions) | 10 |
Qualitative Analysis | 6 |
Tests for Functional Groups present in Organic Compounds Or Preparation of Organic and Inorganic Compounds Or Tests for Carbohydrates, Fats and Protein | 4 |
Content-Based Experiment | 5 |
Practical record book and Viva-voce | |
Total | 30 marks |
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On Question asked by student community
HELLO,
Yes, you can fill the RBSE (Rajasthan Board of Secondary Education) improvement exam application form yourself .You can apply for the improvement exam online through the official RBSE website. You will need to locate the application form which is usually available after the results are announced and then fill it out with your details and the subject you wish to improve.
Here is the step by step guidance to fill the application form :-
1.Visit the official website of RBSE - rajeduboard.rajasthan.gov (//rajeduboard.rajasthan.gov) .in
2.Check for "improvement exam form notification under the latest updates
3.Download and open the online application form
4.Fill in your details carefully- Like your Roll number , Name , Subjects for improvement, year of passing etc.
5.Upload required documents like your marksheet and admit card if asked
6.You need to pay the exam fee online through available payment options
7.Submit the form and take a printout for future reference
Hope this will Help!
The expected cutoff for the General (Unreserved) category in the Rajasthan STSE (State Talent Search Examination) 2024 is around 175-185 marks.
STSE stands for State Talent Search Examination. It is conducted by
RBSE
(Rajasthan Board of Secondary Education, Ajmer). It is a state-level scholarship/talent search exam for meritorious students. The aim is to identify academically talented students in
RBSE Class 10
and
Rajasthan Board Class 12
and award them scholarships/recognition.
Hello,
The RBSE (Rajasthan Board of Secondary Education) 12th supplementary exams for 2025 are scheduled for August 6 to 8, 2025.
The official date sheet was released by the board on their website.
Students can also find the latest updates on the official RBSE portal.
I recommend you to check the article below to understand more
https://school.careers360.com/boards/rbse/rajasthan-board-12th-supplementary-exam-2025
Thank you!!
Hello. Yes, you can pursue a BCA diploma after completing class 12th. However, some colleges may require Mathematics or Computer Science in class 12th, so check the eligibility criteria of the college before applying for admission.
The Board of Secondary Education, Rajasthan ( RBSE ), does not release an official answer key for the Class 12 board examinations. However, after the exams are conducted, unofficial answer keys and detailed solutions for the RBSE Class various coaching institutes and subject matter experts generally publish 12 papers. These can be helpful for students to estimate their scores before the official results are announced. Students can check the RBSE Class 12 answer key below
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