Textbook And Solution from NCERT
OFFICIAL SYLLABUS 2022
UNIT | SELECTED TOPICS |
| Solid State | Classification of solids based on different binding forces: molecular, ionic, covalent and metallic solids, amorphous and crystalline solids (elementary idea). Unit cell in two dimensional and three dimensional lattices, calculation of density of unit cell, packing in solids, packing efficiency, voids, number of atoms per unit cell in a cubic unit cell, point defects, electrical and magnetic properties. Band theory of metals, conductors, semiconductors and insulators and n and p type semiconductors. |
| Solution | Types of solutions, expression of concentration of solutions of solids in liquids, solubility of gases in liquids, solid solutions, Raoult's law, colligative properties-relative lowering of vapour pressure, elevation of boiling point, depression of freezing point, osmotic pressure, determination of molecular masses using colligative properties, abnormal molecular mass, Van't Hoff factor. |
| Electrochemistry | Redox reactions, EMF of a cell, standard electrode potential, Nernst equation and its application to chemical cells, Relation between Gibbs energy change and EMF of a cell, conductance in electrolytic solutions, specific and molar conductivity, variations of conductivity with concentration, Kohlrausch's Law, electrolysis and law of electrolysis (elementary idea), dry cell-electrolytic cells and Galvanic cells, lead accumulator, fuel cells, corrosion. |
| Chemical Kinetics | Rate of a reaction (average and instantaneous), factors affecting rate of reaction: concentration, temperature, catalyst; order and molecularity of a reaction, rate law and specific rate constant, integrated rate equations and half-life (only for zero and first order reactions), concept of collision theory (elementary idea, no mathematical treatment), activation energy, Arrhenius equation. |
| Surface Chemistry | Adsorption-physisorption and chemisorption, factors affecting adsorption of gases on solids, catalysis:homogenous and heterogenous, activity and selectivity of solid catalysts; enzyme catalysis, colloidal state: distinction between true solutions, colloids and suspension; lyophilic, lyophobic, multi-molecular and macromolecular colloids; properties of colloids; Tyndall effect, Brownian movement, electrophoresis, coagulation, emulsion-types of emulsions. |
| General Principles and Processes of Isolation of Elements | Principles and methods of extraction-concentration, oxidation, reduction-electrolytic method and refining; occurrence and principles of extraction of aluminium, copper, zinc and iron. |
| The p Block Elements | Group-15 Elements: General introduction, electronic configuration, occurrence, oxidation states, trends in physical and chemical properties; Nitrogen preparation properties and uses; compounds of Nitrogen:preparation and properties of Ammonia and Nitric Acid, Oxides of Nitrogen (Structure only);Phosphorus-allotropic forms, compounds of Phosphorus: Preparation and properties of Phosphine, Halides and Oxoacids (elementary idea only). Group 16 Elements: General introduction, electronic configuration, oxidation states, occurrence, trends in physical and chemical properties, dioxygen: preparation, properties and uses, classification of Oxides, Ozone, Sulphur - allotropic forms; compounds of Sulphur: preparation properties and uses of sulphur - dioxide, Sulphuric Acid: industrial process of manufacture, properties and uses; Oxoacids of Sulphur (Structures only). Group 17 Elements: General introduction, electronic configuration, oxidation states, occurrence, trends in physical and chemical properties; compounds of halogens, Preparation, properties and uses of Chlorine and Hydrochloric acid, interhalogen compounds, Oxoacids of halogens (structures only). Group 8 Elements: General introduction, electronic configuration, occurrence, trends in physical and chemical properties, uses. |
| The d and f Block Elements | General introduction, electronic configuration, occurrence and characteristics of transition metals, general trends in properties of the first row transition metals–metallic character, ionization enthalpy, oxidation states, ionic radii, colour, catalytic property, magnetic properties, interstitial compounds, alloy formation, preparation and properties of K2Cr2O7and KMnO4. Lanthanoids- Electronic configuration, oxidation states, chemical reactivity and lanthanoid contraction and its consequences. Actinoids- Electronic configuration, oxidation states and comparison with lanthanoids. |
| Coordination Compounds | Coordination compounds-Introduction, ligands, coordination number, colour, magnetic properties and shapes, IUPAC nomenclature of mono nuclear coordination compounds. Bonding, Werner's theory, VBT, and CFT; structure and stereo isomerism, importance of coordination compounds (in qualitative analysis, extraction of metals and biological system). |
| Haloalkanes and Haloarenes | Haloalkanes: Nomenclature, nature of C–X bond, physical and chemical properties, optical rotation mechanism of substitution reactions. Haloarenes: Nature of C–X bond, substitution reactions (Directive influence of halogen in mono substituted compounds only). Uses and environmental effects of-dichloromethane, trichloromethane, tetrachloromethane, iodoform, freons, DD |
There will be two papers in the subject.
Paper I: Theory
Time duration: 3 hours
Maximum marks: 70
Unit & their weightage
| S. No. | Unit | Total Weightage |
| 1. | Solid State | 23 |
| 2. | Solutions | |
| 3. | Electrochemistry | |
| 4. | Chemical Kinetics | |
| 5. | Surafce Chemistry | |
| 6. | p -Block Elements | 19 |
| 7. | d -and f -Block Elements | |
| 8. | Coordination Compounds | |
| 9. | Haloalkanes and Haloarenes | 28 |
| 10. | Alcohols, Phenols and Ethers | |
| 11. | Aldehydes, Ketones and Carboxylic Acids | |
| 12. | Amines | |
| 13. | Biomolecules | |
| Total | 70 | |
Conditions of eligibility for admission to class XII
1. Candidates who have been studying in a School recognised by or affiliated to this Board or any other recognised Board of Secondary Education in India.
2. Candidates can not take admission directly in class XII.
3. Candidates had completed a regular course of study for class XI and passed class XI examination from a school affilicated to this Board.
4. The candidates percentage for attendance should be 75% so that the Board to make him/her eligible for the Examinations.
5. Candidate can be admitted to a school only on the transfer of the parents(s) or shifting of their families from one place to another, after procuring from the student the marksheet and the Transfer Certificate duly countersigned by the Educational Authorities of the Board concerned.
6. There is no age limit for candidates taking the Examination.
7. Candidate should have doucments in support of his having passed the qualifying or equivalent qualifying examination.
OFFICIAL SCHEDULE 2022
| Date & Days | Subject | 2nd Sitting (2 PM - 5:20 PM) |
| 24 - March- 2022 (Thursday) | Vocational Subjects (I.A, I.Sc, I.Com) | Term – 1 (2 PM - 3:35 PM) |
| Term – 2 (3:40 PM - 5:20 PM) | ||
| 26 - March -2022 (Saturday) | Elective Language (Compulsory) (I.A) | Term – 1 (2 PM - 3:35 PM) |
Additional Language (I.Sc & I.Com) | Term – 2 (3:40 PM - 5:20 PM) | |
| 28 - March - 2022 (Monday) | Compulsory Core Language Hindi A, Hindi B + Matribhasha & English A (I.A) | Term – 1 (2 PM - 3:35 PM) |
| Term – 2 (3:40 PM - 5:20 PM) | ||
29 - March - 2022 (Tuesday) | Compulsory Core Language Hindi A, Hindi B + Matribhasha & English A (I.Sc & I.Com) | Term – 1 (2 PM - 3:35 PM) |
| Term – 2 (3:40 PM - 5:20 PM) | ||
| 30 - March - 2022 (Wednesday) | Music (I.A) | Term – 1 (2 PM - 3:35 PM) |
| Term – 2 (3:40 PM - 5:20 PM) | ||
| 02 - April - 2022 (Saturday) | Computer Science (I.Sc & I.Com) | Term – 1 (2 PM - 3:35 PM) |
Psychology (I.A) | Term – 2 (3:40 PM - 5:20 PM) | |
| 05 - April - 2022 (Tuesday) | Economics (I.Sc & I.Com) | Term – 1 (2 PM - 3:35 PM) |
Anthropology (I.A) | Term – 2 (3:40 PM - 5:20 PM) | |
| 07 - April - 2022 (Thursday) | Philosophy (I.A) | Term – 1 (2 PM - 3:35 PM) |
| Term – 2 (3:40 PM - 5:20 PM) | ||
08 - April - 2022 (Friday) | Physics (I.Sc) | Term – 1 (2 PM - 3:35 PM) |
Accountancy (I.Com) | Term – 2 (3:40 PM - 5:20 PM) | |
| 09 - April - 2022 (Saturday) | History (I.A) | Term – 1 (2 PM - 3:35 PM) |
| Term – 2 (3:40 PM - 5:20 PM) | ||
| 12 - April - 2022 (Tuesday) | Geology (I.Sc) | Term – 1 (2 PM - 3:35 PM) |
Business Studies (I.Com) | Term – 2 (3:40 PM - 5:20 PM) | |
Home Science (I.A) | ||
| 16 - April - 2022 (Saturday) | Biology (Botany+Zoology) (I.Sc) | Term – 1 (2 PM - 3:35 PM) |
Business Mathematics (I.Com) | Term – 2 (3:40 PM - 5:20 PM) | |
Analysis
1. All questions are compulsory. The total number of question will be 37
2. The paper will be divided in four sections: Section A, Section B, Section C and Section D.
3. Section A: Question no. 1 to 20 are very short answer questions (objective type) and carry 1 mark each.
4. Section B: Question no. 21 to 27 are short answer questions and carry 2 marks each.
5. Section C: Question no. 28 to 34 are long answer question and carry 3 marks each.
6. Section D: Question no. 35 to 37 are also long answer questions and carry 5 marks each.
7.There is no overall choice. However an internal choice has been provided in two question of two marks, two questions of three marks and all the three questions of five marks weightage. You have to attempt only one of the choices in such questions.
Highlight
1. The difficulty level of the Chemistry paper 2020: Moderate.
2. Nothing asked was out of the syllabus and most of the questions were from NCERT Textbook.
3. All the questions in the paper were asked from the latest NCERT syllabus.
1. All questions are compulsory. The total number of question will be 37
2. The paper will be divided in four sections: Section A, Section B, Section C and Section D.
3. Section A: Question no. 1 to 20 are very short answer questions (objective type) and carry 1 mark each.
4. Section B: Question no. 21 to 27 are short answer questions and carry 2 marks each.
5. Section C: Question no. 28 to 34 are long answer question and carry 3 marks each.
6. Section D: Question no. 35 to 37 are also long answer questions and carry 5 marks each.
7.There is no overall choice. However an internal choice has been provided in two question of two marks, two questions of three marks and all the three questions of five marks weightage. You have to attempt only one of the choices in such questions.
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