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RBSE Class 12 Chemistry Exam Pattern 2025-26 is now published online. The weightage of the Chemistry paper is 100 marks, while the theory exam will be 56 marks, and the practical exam will carry a weightage of 30 marks, with 14 marks for the sessional. This 70-mark theory paper will be a combination of 56 marks (marks for the paper) and 14 marks (sessional assessment). The RBSE Class 12 Chemistry question paper comprises MCQs, very short answer type, short answer type, and long answer type questions. The RBSE Class 12 Chemistry Syllabus 2025-26 includes a total of 10 chapters whose marks are equally distributed. The maximum weightage carrying chapter is Chapter 8, Aldehydes, Ketones and Carboxylic Acids, which will carry 7 marks in the exam. Other than this, Solutions, Electrochemistry, Chemical Kinetics, Haloalkanes and Haloarenes, and Alcohols, Phenols, and Ethers are the second-highest weightage-carrying chapters.
Check out more about the RBSE Class 12 Chemistry Exam Pattern 2025-26 below:
RBSE Class 12 Latest Updates 2025-26
- December 16, 2025: RBSE 12th Time Table 2026 is expected to be released soon. The exams are expected to be conducted from February 12 to March 12, 2026.
RBSE Class 12 Chemistry Exam Pattern 2025-26
The RBSE Class 12 Chemistry Exam comprises both theoretical and practical components for a total of 100 marks. The maximum time duration for the theoretical exam will be 3 hours and 15 minutes. The RBSE Class 12 Chemistry blueprint 2025-26 is provided below:
| Question Paper | Time in Hours | Marks for the Paper | Sessional | Total Marks |
|---|---|---|---|---|
| Theoretical | 3:15 | 56 | 14 | 70 |
| Practical | 4:00 | 30 | 0 | 30 |
Refer to the table below to check the chapter-wise RBSE Class 12 Exam Pattern 2025-26 for Chemistry:
| Units | Tital | Topics | Marks |
|---|---|---|---|
| 1 | Solutions | Types of solutions, expressing concentration of solutions, solubility, vapour pressure of liquid solution, ideal and non-ideal solutions, colligative properties and determination of molar mass, abnormal molar masses | 6 |
| 2 | Electrochemistry | Electrochemical Cells, Galvanic Cells, Nernst Equation, Conductance of Electrolytic Solutions, Electrolytic Cells and Electrolysis, Batteries, Fuel Cells, Corrosion | 6 |
| 3 | Chemical Kinetics | Rate of a Chemical Reaction, Factors Influencing Rate of a Reaction, Integrated Rate Equations. Temperature Dependence of the Rate of a Reaction, Collision Theory of Chemical Reactions | 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), Some Important Compounds of Transition Elements, The Lanthanoids, The Actinoids, Some Applications of d- and f - Block Elements | 5 |
| 5 | Coordination Compounds | Werner's Theory of Coordination Compounds, Definitions of Some Important Terms Pertaining to Coordination Compounds, Nomenclature of Coordination Compounds, Isomerism in Coordination Compounds, Bonding in Coordination Compounds 9.6 Bonding in Metal Carbonyls, Importance and Applications of Coordination | 5 |
| 6 | Haloalkanes and Haloarenes | Classification, Nomenclature, Nature of C-X Bond, Methods of Preparation of Haloalkanes, Preparation of Haloarenes, Physical Properties, Chemical Reactions, Polyhalogen Compounds | 6 |
| 7 | Alcohols, Phenols and Ethers | Classification, Nomenclature, Structures of Functional Groups, Alcohols and Phenols, Some Commercially Important Alcohols, Ethers | 6 |
| 8 | Aldehydes, Ketones and Carboxylic Acids | Nomenclature and Structure of Carbonyl Group, Preparation of Aldehydes and Ketones, Physical Properties, Chemical Reactions, Uses of Aldehydes and Ketones, Nomenclature and Structure of Carboxyl Group, Methods of Preparation of Carboxylic Acids, Physical Properties, Chemical Reactions, Uses of Carboxylic Acids | 7 |
| 9 | Amines | Structure of Amines, Classification, Nomenclature, Preparation of Amines, Physical Properties, Chemical Reactions, Method of Preparation of Diazonium Salts, Physical Properties, Chemical Reactions, Importance of Diazonium Salts in Synthesis of Aromatic Compounds | 5 |
| 10 | Biomolecules | Carbohydrates, Proteins, Enzymes, Vitamins, Nucleic Acids, Hormones | 4 |
| Total | 56 |
RBSE Class 12 Chemistry Practical Exam Pattern 2025-26
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The RBSE Class 12 Chemistry Practical Exam 2025-26 will be conducted for 30 marks, and 4 hours will be provided to the students. The exam pattern ofthe RBSE Class 12 Chemistry Practical Exam 2025-26 is tabulated below:
| Particulars | Marks |
|---|---|
| Titrimetric Analysis (Redox Reactions) | 10 |
| Systematic Qualitative Analysis | 06 |
|
Tests for Functional Groups in Organic Compounds
OR Preparation of Organic and Inorganic Compounds | 04 |
|
4 Thematic use
Content Based Experiment | 05 |
| Record and Viva-voce | 05 |
| Total | 30 |
Practical Course:
1. Unit-1 Colloids -
(i) Preparation of one lyophilic and one lyophobic sol.
(ii) To purify prepared sol by dialysis.
(iii) Study of the role of emulsifying agents in stabilizing the emulsions of different oils.
2. Unit-2 Chemical Kinetics -
(i) Study of the Effect of concentration and temperature variation respectively on the
rate of reaction between Sodium thiosulphate and hydrochloric acid.
(ii) Study of the Effect of variation in the concentration of iodide ions on the reaction
of iodide ions with hydrogen peroxide at room temperature.
(iii) Study of the rate of reaction between potassium iodate (KIO3) and sodium sulphide (Na2SO3)
3. Unit-3 Thermochemical Measurement -
(i) To determine the enthalpy change in the dissolution of copper sulphate/potassium nitrate.
(ii) To determine the enthalpy change in the neutralisation of strong acid (HCL) by strong base (NaOH).
(iii) To determine the enthaphy change for the interaction (hydrogen bond formation) between chloroform and acetone
4. Unit-4 Electrochemistry -
(i) To study the Variation in cell potential of the cell Zn 1 Zn2+ Cu²* 1 Cu with change in concentration of electrolytes (CuSO4@ZnSO4) at room temperature.
5. Unit-5 Chromatography -
(i) To separate the pigments present in leaves (spinach) and flowers (rose, marigold) by paper-chromatography and determine the R₁ value.
(ii) Separation of components of a mixture of inorganic compounds containing two cations Pb2+ and Cd2+ by chromatographic technique.
6. Unit-6 Titrimetric Analysis (Redox Reactions) -
(i) To determine the concentration/molarity of KMnO4 solution by titration with a standard solution of oxalic acid.
(ii) To determine the concentration/molarity of potassium permanganate solution by titration with a standard solution of ferrous ammonium sulphate.
7. Unit-7 Systematic Qualitative Analysis -
(i) The given salt contains one cation (out of Pb2", Cu², As, Al³ Fe, Mn, Zn2+, Co², Ni²", Ca, Sr, Ba, Mg, NH) and one anion (out of CO2, S2, To identify SO3, SO², NO2, NO3, Cl, Br, I, PO4, C2O4², CH3COO.
(ii) Systematic analysis of anions, Preliminary tests by dilute sulphuric acid, Preliminary tests by concentrated Sulphuric acid, Tests for sulphate and phosphate, systematic analysis of cations, Preliminary examimation of salt for identification of cations, Wet tests for identification of cations, Analysis of group- zero cation (NH4), Analysis of group-I cations, Analysis of group-II cations, Analysis of group-III cations, Analysis of group-IV cation, Analysis of group-V cations, Analysis of group-VI cations.
8. Unit-8 Test for functional groups in organic compounds
(i) Test for unsaturation, Tests for functional groups-Alcoholic group (R-OH), Phenolic group (ArOH), Aldehydic and Ketonic groups (-CHO vkSj >C=O), Carboxyl group (-COOH), Amino group (-NH2).
9. Unit-9 Preparation of inorganic compounds
(i) Preparation of dilute salt, ferrous ammonium sulphate and potash alum.
(ii) Preparation of potassium trioxalateferrate.
RBSE Class 12 Chemistry Question Paper Pattern 2025-26
There will be 3 hours and 15 minutes to complete the RBSE 12th Chemistry question paper. A total of 20 questions will be on the RBSE Class 12 Chemistry exam 2025-26. The question paper pattern of the RBSE 12th Chemistry exam is tabulated below:
Sections | Question No. | Type of Questions | Marks |
|---|---|---|---|
Section A | Question no. 1 Question no. 2 Question no. 3 | MCQs - 9 Fill in the blanks - 4 Very short answer type questions - 8 | 21 |
Section B | Question no. 4 to 15 | Short answer type questions | 18 |
Section C | Question no. 16 to 18 | Long answer type questions | 9 |
Section D | Question no. 19 to 20 | Essay type questions | 8 |
You can also look through the RBSE Board Class 12 Chemistry Preparation Tips 2026 for more practice.
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