TBSE Class 12 Syllabus 2024 Chemistry

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Class – XII
Chemistry
Pre-board and Board Final Examination : 2023-24
Question blue Print
Sl. Chapter Title MCQ VSA SA(I) SA(II) LA VLA Total
No. 1 mark 1 mark 2 marks 3 marks 4 marks 5 marks Marks
1 Chapter-2 Solutions 1x1 1x2 - - 4x1 - 07
2 Chapter-3 Electrochemistry 1x1 - - 3x1 - 5x1 09
3 Chapter-4 Chemical 1x1 1x1 2x1 3x1 - - 07
Kinetics
4 Chapter-8 d – and f – Block 1x1 - 2x1 - 4x1 - 07
Elements
5 Chapter-9 Coordination 1x1 1x1 2x1 3x1 - - 07
Compounds
6 Chapter-10 Haloalkanes and 1x1 - 2x1 3x1 - - 06
Haloarenes
7 Chapter-11 Alcohols, Phenols 1x1 1x1 - - 4x1 - 06
and Ethers
8 Chapter-12 Aldehydes, 1x1 1x2 - - - 5x1 08
Ketons and
CarboxylicAcids
9 Chapter-13 Organic 1x1 1x2 - 3x1 - - 06
Compounds
Containing
Nitrogen
10 Chapter-14 Biomolecules 1x1 1x1 2x1 3x1 - - 07
Total No. of questions 10 10 05 06 03 02 36 nos.
Total Marks : 70

Class – XII
Chemistry
Half-yearly Examination : 2023-24
Question blue Print
Sl. Chapter Title MCQ VSA SA(I) SA(II) LA VLA Total
No. 1 mark 1 mark 2 marks 3 marks 4 marks 5 marks Marks
1 Chapter-2 Solutions 1x2 1x1 2x1 3x1 4x1 - 12
2 Chapter-3 Electrochemistry 1x2 1x2 2x1 3x1 - 5x1 14

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3 Chapter-8 d – and f – Block 1x1 1x2 2x2 3x1 - - 10
Elements
4 Chapter-10 Haloalkanes and 1x2 1x1 - 3x1 4x1 - 10
Haloarenes
7 Chapter-11 Alcohols, Phenols 1x2 1x2 2x1 3x1 - 5x1 14
and Ethers
10 Chapter-14 Biomolecules 1x1 1x2 - 3x1 4x1 - 10
Total No. of questions 10 10 05 06 03 02 36 nos.
Total Marks : 70

Class – XII
Chemistry (Practical)
Total no. of periods : 80 Total Marks : 30
Sl No. Evaluation scheme for Examination Marks
1 VolumetricAnalysis 08
2 SaltAnalysis 08
3 OrganicAnalysis 04
4 Lab. Note Book 03
5 Viva 02
6 Attendance 05
TOTAL 30

Micro-chemical methods are available for several of the practical experiments. Whereever possible, such
techniques sould be used.
A. Determination of concentration / molarity of KMnO4 solution by titrating it against standard
solution of:
i) Oxalic acid,
ii) Ferrous Ammonium Sulphate
(Students will be required to prepare standard solutions by weighing themselves).
B. Qualitative Analysis
a) Determination of one anion and one cation in a given salt
Cations – Pb2+, Cu2+, Al3+, Fe3+, Mn2+, Zn2+, Cu2+, Co2+, Ni2+, Ca2+, Sr2+, Ba2+, Mg2+, [NH4]+
Anions – [CO3]2–, S2–, [SO3]2–, [SO4]2–, [NO3]–, Cl–, Br–, I–, [PO4]3–, [C2O4]2–, CH3COO
(Note : Insoluble sants excluded)

C. Tests for the functional groups present in organic compounds:
Unsaturation, alcoholic, phenolic, aldehydic, ketonic, carboxylic and amino (Primary) groups.

P-1
Class – XII (2023-2024)
Sub : Chemistry
(THEORY)
Time : 3 Hours Total Marks : 70

Unit - I : Chapter No. 02 - Solutions 10 Periods
Types of solutions, expression of concentration of solutions of solids in liquids, solubility of gases in liquids,
solid solutions, colligative properties - relative lowering of vapour pressure, Raoult's law, elevation of boiling
point, depression of freezing point, osmotic pressure, determination of molecular masses using colligative
properties, abnormal molecular mass, Van't Hoff factor.

Unit - II : Chapter No. 03 - Electrochemistry 12 Periods
Redox reactions, 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, 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, fuel cells, corrosion.

Unit - III : Chapter No. 04 - Chemical Kinetics 10 Periods
Rate of 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.

Unit - IV : Chapter No. 08 - ‘d’ and ‘f’ Block Elements 12 Periods
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 K2Cr2O7 and KMnO4.
Lanthanoids - Electronic configuration, oxidation states, chemical reactivity and lanthanoid contraction and its
consequences.
Actinoids - Electronic configuration, oxidation states and comparison with lanthanoids.

Unit - V : Chapter No. 09 - Coordination Compounds 12 Periods
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 stereoisomerism, importance of coordination compounds (in qualitative inclusion, extraction of
metals and biological system).

Unit - VI : Chapter No. 10 - Haloalkanes and Haloarenes 10 Periods
Haloalkanes : Nomenclature, nature of C-X bond, physical and chemical properties, mechanism of substitution
reactions, optical rotation.
Haloarenes : Nature of C-X bond, substitution reactions (Directive influence of halogen in mono substituted
compounds only).

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Uses and environmental effects of - dichloromethane, trichloromethane, tetrachloromethane, iodoform, freons,
DDT.

Unit - VII : Chapter No. 11 - Alcohols, Phenols and Ethers 10 Periods
Alcohols : Nomenclature, methods of preparation, physical and chemical properties (of primary alcohols
only), identification of primary, secondary and tertiary alcohols, mechanism of dehydration, uses with special
reference to methanol and ethanol.
Phenols : Nomenclature, methods of preparation, physical and chemical properties, acidic nature of phenol,
electrophilic substitution reactions, uses of phenols.
Ethers : Nomenclature, methods of preparation, physical and chemical properties, uses.

Unit - XI : Chapter No. 12 - Aldehydes, Ketones and Carboxylic Acids 12 Periods
Aldehydes and Ketones : Nomenclature, nature of carbonyl group, methods of preparation, physical and
chemical properties, mechanism of nucleophilic addition, reactivity of alpha hydrogen in aldehydes, uses.
Carboxylic Acids : Nomenclature, acidic nature, methods of preparation, physical and chemical properties;
uses.

Unit - XII : Chapter No. 13 - Organic compounds containing Nitrogen 10 Periods
Amines : Nomenclature, classification, structure, methods of preparation, physical and chemical properties,
uses, identification of primary, secondary and tertiary amines.
Cyanides and Isocyanides - will be mentioned at relevant places in text.
Diazonium salts : Preparation, chemical reactions and importance in synthetic organic chemistry.

Unit - XIII : Chapter No. 13 - Biomolecules 10 Periods
Carbohydrates - Classification (aldoses and ketoses), monosaccahrides (glucose and fructose), D-L
configuration oligosaccharides (sucrose, lactose, maltose), polysaccharides (starch, cellulose, glycogen);
Importance of carbohydrates.
Proteins - Elementary idea of - amino acids, peptide bond, polypeptides, proteins, structure of proteins -
primary, secondary, tertiary structure and quaternary structures (qualitative idea only), denaturation of proteins;
enzymes. Hormones - Elementary idea excluding structure.
Vitamins - Classification and functions.
Nucleic Acids : DNA and RNA.

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CLASS XII (2020-21)
CHEMISTRY (THEORY)
Total Periods (Theory 160 + Practical 80)
Time: 3 Hours Max. Marks 70

Unit No. Chapters Title No. of Marks

Periods

Unit- I Chapters-1 Solid State 10 23

Unit-II Chapters-2 Solutions 10

Unit-III Chapters-3 Electrochemistry 12

Unit-IV Chapters-4 Chemical Kinetics 10

Unit-V Chapters-5 Surface Chemistry 08

Unit-VI Chapters-6 General Principles and 08 19
Processes of Isolation of Elements
Unit-VII Chapters-7 p -Block Elements 14

Unit-VIII Chapters-8 d -and f -Block Elements 10

Unit IX Chapters-9 Coordination Compounds 10

Unit -X Chapters-10 Haloalkanes and Haloarenes 10 28

Unit-XI Chapters-11 Alcohols, Phenols and Ethers 12

Unit-XII Chapters-12 Aldehydes, Ketones and Carboxylic Acids 14

Unit-XIII Chapters-13 Organic Compounds containing Nitrogen 10

Unit-XIV Chapters-14 Biomolecules 10

Unit-XV Chapters-15 Polymers 06

Unit-XVI Chapters-16 Chemistry in Everyday Life 06

Total 70

Total (Practical) 30

Grand Total 100

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Chapter Wise Marks Distribution
CHEMISTRY
CLASS XII (2020-21)

Unit No. Chapters Title Marks Total

Marks

Unit- I Chapters-1 Solid State 04 23

Unit-II Chapters-2 Solutions 05

Unit-III Chapters-3 Electrochemistry 05

Unit-IV Chapters-4 Chemical Kinetics 05

Unit-V Chapters-5 Surface Chemistry 04

Unit-VI Chapters-6 General Principles and 03 19
Processes of Isolation of Elements
Unit-VII Chapters-7 p -Block Elements 08

Unit-VIII Chapters-8 d -and f -Block Elements 05

Unit IX Chapters-9 Coordination Compounds 03

Unit -X Chapters-10 Haloalkanes and Haloarenes 04 28

Unit-XI Chapters-11 Alcohols, Phenols and Ethers 04

Unit-XII Chapters-12 Aldehydes, Ketones and Carboxylic Acids 06

Unit-XIII Chapters-13 Organic Compounds containing Nitrogen 04

Unit-XIV Chapters-14 Biomolecules 04

Unit-XV Chapters-15 Polymers 03

Unit-XVI Chapters-16 Chemistry in Everyday Life 03

Total 70 70

Total (Practical) 30 30

Grand Total 100 100

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CLASS XII (2020-21)
CHEMISTRY (THEORY)
Total Periods (Theory 160 + Practical 80)
Time: 3 Hours Max. Marks 70

Unit I : Solid State 10 Periods
Classification of solods based on different binding forces : molecular, lonic, covalent and metallic solids,
amorphous and crystalling 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 cell, point defects, electrical and magnetic properties.

Band theory of metals, conductors, semiconductors and insulators and n and p type semoconductors.

Unit II: Solutions 10 Periods
Types of solutions, expression of concentration of solutions of solids in liquids, solubility of gases in liquids,
solid solutions, colligative properties - relative lowering of vapour pressure, Raoult’s law, elevation of boiling
point, depression of freezing point, osmotic pressure, determination of molecular masses using colligative
properties, abnormal molecular mass, Van’t Hoff factor.

Unit III: Electrochemistry 12 Periods
Redox reactions, 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, 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, fuel cells, corrosion.

Unit IV: Chemical Kinetics 10 Periods
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.

Unit V: Surface Chemistry 08 Periods
Adsorption- physisorption and chemisorption, factors affecting adsorption of gases on solids, catalysis,
homogenous and heterogenous activity and selectivity; 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.

Unit VI: General Principles and Processes of Isolation of Elements 08 Periods
Principles and methods of extraction - concentration, oxidation, reduction - electrolytic method and refining;
occurrence and principles of extraction of aluminium, copper, zinc and iron

Unit VII: p -Block Elements 14 Periods

Group 15 Elements: General introduction, electronic configuration, occurrence, oxidation states, trends in

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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 18 Elements: General introduction, electronic configuration, occurrence, trends in physical and
chemical properties, uses.

Unit VIII: ‘d’ and ‘f’ Block Elements 12 Periods
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 K2Cr2O7 and KMnO4.

Lanthanoids - Electronic configuration, oxidation states, chemical reactivity and lanthanoid contraction and
its consequences.

Actinoids - Electronic configuration, oxidation states and comparison with lanthanoids.

Unit IX: Coordination Compounds 12 Periods

Coordination compounds - Introduction, ligands, coordination number, colour, magnetic properties and shapes,
IUPAC nomenclature of mononuclear coordination compounds. Bonding, Werner’s theory, VBT, and CFT;
structure and stereoisomerism, importance of coordination compounds (in qualitative inclusion, extraction of
metals and biological system).

Unit X: Haloalkanes and Haloarenes 12 Periods

Haloalkanes: Nomenclature, nature of C-X bond, physical and chemical properties, mechanism of substitution
reactions, optical rotation.

Haloarenes: Nature of C-X bond, substitution reactions (Directive influence of halogen in monosubstituted
compounds only).

Uses and environmental effects of - dichloromethane, trichloromethane, tetrachloromethane, iodoform, freons,
DDT.

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Unit XI: Alcohols, Phenols and Ethers 12 Periods
Alcohols: Nomenclature, methods of preparation, physical and chemical properties (of primary alcohols
only), identification of primary, secondary and tertiary alcohols, mechanism of dehydration, uses with special
reference to methanol and ethanol.

Phenols: Nomenclature, methods of preparation, physical and chemical properties, acidic nature of phenol,
electrophillic substitution reactions, uses of phenols.
Ethers: Nomenclature, methods of preparation, physical and chemical properties, uses.

Unit XII: Aldehydes, Ketones and Carboxylic Acids 14 Periods

Aldehydes and Ketones: Nomenclature, nature of carbonyl group, methods of preparation, physical and
chemical properties, mechanism of nucleophilic addition, reactivity of alpha hydrogen in aldehydes, uses.

Carboxylic Acids: Nomenclature, acidic nature, methods of preparation, physical and chemical properties;
uses.

Unit XIII: Organic compounds containing Nitrogen 12 Periods
Amines: Nomenclature, classification, structure, methods of preparation, physical and chemical properties,
uses, identification of primary, secondary and tertiary amines.
Cyanides and Isocyanides - will be mentioned at relevant places in text.

Diazonium salts: Preparation, chemical reactions and importance in synthetic organic chemistry.

Unit XIV: Biomolecules 12 Periods
Carbohydrates - Classification (aldoses and ketoses), monosaccahrides (glucose and fructose), D-L
configuration oligosaccharides (sucrose, lactose, maltose), polysaccharides (starch, cellulose, glycogen);
Importance of carbohydrates.

Proteins- Elementary idea of - amino acids, peptide bond, polypeptides, proteins, structure of proteins -
primary, secondary, tertiary structure and quaternary structures (qualitative idea only), denaturation of proteins;
enzymes. Hormones -Elementary idea excluding structure.

Vitamins- Classification and functions.

Nucleic Acids: DNA and RNA.

Unit XV: Polymers 06 Periods
Copolymerization, some important polymers: natural and synthetic like polythene, nylon polyesters, bakelite,
rubber. Biodegradable and nonbiodegradable polymers.

Unit XVI: Chemistry in Everyday life 06 Periods
Chemicals in medicines - analgesics, tranquilizers antiseptics, disinfectants, antimicrobials, antifertility drugs,
antibiotics, antacids, antihistamines. Chemicals in food - preservatives, artificial sweetening agents, elementary
idea of antioxidants.Cleansing agents- soaps and detergents, cleansing action.

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Course Structure : Class- XII
CHEMISTRY (Practical)
Total No. of Periods : 80

Sl No. Evaluation Scheme for Examination Marks

1. Volumetric Analysis 06

2. Salt Analysis 06

3. Organic Analysis 04

4. Viva 04

5. Lab not book 05

6. Attendance 05

Total 30
Micro-chemical methods are available for several of the practical experiments.
Wherever possible, such techniques should be used.

A. Surface Chemistry
(a) Preparation of one lyophilic and one lyophobic sol Lyophilic sol - starch, egg albumin and gum
Lyophobic sol - aluminium hydroxide, ferric hydroxide, arsenous sulphide.
(b) Dialysis of sol-prepared in (a) above.
(c) Study of the role of emulsifying agents in stabilizing the emulsion of different oils.
B. Chemical Kinetics
(a) Effect of concentration and temperature on the rate of reaction between Sodium
Thiosulphate and Hydrochloric acid.
(b) Study of reaction rates of any one of the following:
(i) Reaction of Iodide ion with Hydrogen Peroxide at room temperature using different
concentration of Iodide ions.
(ii) Reaction between Potassium Iodate, (KIO3) and Sodium Sulphite: (Na2SO3) using
starch solution as indicator (clock reaction).
C. Thermochemistry
Any one of the following experiments
i) Enthalpy of dissolution of Copper Sulphate or Potassium Nitrate.
ii) Enthalpy of neutralization of strong acid (HCI) and strong base (NaOH).
iii) Determination of enthaply change during interaction (Hydrogen bond formation) between
Acetone and Chloroform.

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D. Electrochemistry
Variation of cell potential in Zn/Zn2+|| Cu2+/Cu with change in concentration of electrolytes
(CuSO4or ZnSO4) at room temperature.
E. Chromatography
i) Separation of pigments from extracts of leaves and flowers by paper chromatography and
determination of Rfvalues.
ii) Separation of constituents present in an inorganic mixture containing two cations only
(constituents having large difference in Rf values to be provided).
F. Preparation of Inorganic Compounds
i) Preparation of double salt of Ferrous Ammonium Sulphate or Potash Alum.
ii) Preparation of Potassium Ferric Oxalate.
G. Preparation of Organic Compounds
Preparation of any one of the following compounds
i) Acetanilide
ii) Di -benzal Acetone
iii) p-Nitroacetanilide
iv) Aniline yellow or 2 - Naphthol Aniline dye.

H. Tests for the functional groups present in organic compounds:

Unsaturation, alcoholic, phenolic, aldehydic, ketonic, carboxylic and amino (Primary) groups.
I. Characteristic tests of carbohydrates, fats and proteins in pure samples and their detection in
given food stuffs.
J. Determination of concentration/ molarity of KMnO4 solution by titrating it against a standard
solution of:
i) Oxalic acid,
ii) Ferrous Ammonium Sulphate
(Students will be required to prepare standard solutions by weighing themselves).

K. Qualitative analysis
Determination of one cation and one anion in a given salt.

Cation - Pb2+, Cu2+, Al3+, Fe3+, Mn2+, Zn2+, Cu2+, Co2+, Ni2+, Ca2+, Sr2+, Ba2+, Mg2+,[NH4]+

Anions - V [CO3]2-, S2-, [SO3]2-, [SO4]2-, [NO2]-, Cl-,Br-, I-, [PO4]3-, [C2O4]2-, CH3COO-

(Note : Water insoluble salts excluded)

Prescribed Books :
1. Chemistry Part-I, Class XII, Published by NCERT.
2. Chemistry Part-II, Class XII, Published by NCERT.
3. Chemistry Lab Manual, Class XII, Published by NCERT.

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CLASS XII (2020-21)
CHEMISTRY (THEORY)
Total Periods (Theory 160 + Practical 80)
Time: 3 Hours Max. Marks 70

Chapters Title 1 2 3 5 Total

Marks Marks Marks Marks Marks

Chapters-1 Solid State 1(2) 2(1) -- -- 04

Chapters-2 Solutions -- 2(1) 3(1) -- 05

Chapters-3 Electrochemistry -- -- -- 5(1) 05

Chapters-4 Chemical Kinetics 1(2) -- 3(1) -- 05

Chapters-5 Surface Chemistry 1(2) 2(1) -- -- 04

Chapters-6 General Principles and 1(1) 2(1) -- -- 03
Processes of Isolation of Elements
Chapters-7 p -Block Elements 1(3) -- -- 5(1) 08

Chapters-8 d -and f -Block Elements -- 2(1) 3(1) -- 05

Chapters-9 Coordination Compounds -- -- 3(1) -- 03

Chapters-10 Haloalkanes and Haloarenes 1(1) -- 3(1) -- 04

Chapters-11 Alcohols, Phenols and Ethers 1(1) -- 3(1) -- 04

Chapters-12 Aldehydes, Ketones and Carboxylic Acids 1(1) -- -- 5(1) 06

Chapters-13 Organic Compounds containing Nitrogen 1(2) -- 3(1) -- 04

Chapters-14 Biomolecules 1(1) -- 3(1) -- 04

Chapters-15 Polymers 1(1) 2(1) -- -- 03

Chapters-16 Chemistry in Everyday Life 1(3) -- -- -- 03

Total No. of Question 1(20) 2(7) 3(7) 5(3) 70

Total Marks 70

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CHEMISTRY QUESTION PAPER DESIGN CLASS - XII (2020-21)

S. Typology of Questions Very Short Long Long
No. Short Answer-I Answer-I Answer- II Total %
Answer- (SA) (LA-I) (LA-II) Marks Weigh-
Objective (2Marks) (3 (5 marks) tage
type marks) 1
(VSA)
(1 Mark)

1 Remembering : 2 1 1 -- 7 10%
Exhibit memory of
previously learned material
by recalling facts, terms,
basic concepts and
answers.

2 Understanding : 6 2 2 1 21 30%
Demonstrate understanding
of facts and ideas by
organizing, comparing,
translating, interpreting,
giving descriptions and
stating main ideas.

3 Applying: 6 2 2 1 21 30%
Solve problems to new
situations by applying
acquired knowledge, facts,
techniques and rules in a
different way.

4 Analysing : 6 1 2 -- 14 20%
Examine and break
information into parts by
identifying motives or
causes. Make inferences
and find evidence to
support generalizations.

Evaluating:
Present and defend
opinions by making
judgements about
information, validity of
ideas or quality of work
based on a set of criteria.

Creating: -- 1 -- 1 7 10%
Compile information
together in a different way
by combining elements in
a new pattern or proposing
alternative solutions.

Total- 20×1=20 7×2=14 7×3=21 3×5=15 70(37) 100%

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QUESTION WISE BREAK UP

Type of Question Mark per Question Total No. of Questions Total Marks

VSA/ Objective 1 20 20

SA 2 7 14

LA-I 3 7 21

LA-II 5 3 15

Total 3 7 70

Choice(s):

There will be no overall choice in the question paper.

However, 33 % internal choices will be given in all the sections.

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CLASS XII
THEORY
Half Yearly Examination: 2020-2021
Time: 3 Hours Max. Marks 70

Unit No. Chapters Title Marks To t a l •
Marks

Unit- I Chapters-1 Solid State 06 23

Unit-II Chapters-2 Solutions 09

Unit-III Chapters-3 Electrochemistry 08

Unit-VI Chapters-6 General Principles and 07 19
Processes of Isolation of Elements
Unit-VII Chapters-7 p -Block Elements 12 28

Unit -X Chapters-10 Haloalkanes and Haloarenes 08

Unit-XI Chapters-11 Alcohols, Phenols and Ethers 09

Unit-XII Chapters-12 Aldehydes, Ketones and Carboxylic Acids 11

Total 70 70

Total (Practical) 30

Grand Total 100

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CLASS XII
THEORY
(Half Yearly Examination) : 2020-2021
Time: 3 Hours Max. Marks 70

Chapters Title 1 2 3 5 To t a l •
Marks Marks Marks Marks Marks

Chapters-1 Solid State 1(3) -- 3(1) -- 06

Chapters-2 Solutions 1(2) 2(1) -- 5(1) 09

Chapters-3 Electrochemistry 1(3) 2(1) 3(1) -- 08

Chapters-6 General Principles and 1(2) 2(1) 3(1) -- 07
Processes of Isolation of Elements
Chapters-7 p -Block Elements 1(2) 2(1) 3(1) 5(1) 12

Chapters-10 Haloalkanes and Haloarenes 1(3) 2(1) 3(1) -- 08

Chapters-11 Alcohols, Phenols and Ethers 1(2) 2(1) -- 5(1) 09

Chapters-12 Aldehydes, Ketones and Carboxylic Acids 1(3) 2(1) 3(2) -- 11

Total No. of Question 1(20) 2(7) 3(7) 5(3) 0

Total Marks 70

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