CURRICULUM AND SYLLABUS - COHSEM

242 CURRICULUM AND SYLLABUS for Classes XI & XII
One Paper
CHEMISTRY Marks : 70

THEORY
COURSE STRUCTURE

CLASS XI

Time : 3 Hours

Units Title Marks
.I Some basic concepts of Chemistry 3
II. Structure of atom 6
III. Classificationofelementsandperiodicityinproperties 4
IV. Chemical bonding and molecular structure 5
V. States of matter : Gases and Liquids 4
VI. Thermodynamics 6
VII. Equilibrium 6
VIII. Redox reactions 3
IX. Hydrogen 3
X. s-Block elements 5
XI. Some p-block elements : 7
XII. Organic Chemistry : Some basic Principles and Techniques 7
XIII. Hydrocarbons 8
XIV. Environment chemistry 3
70
Total =

Unit I: Some Basic Concepts of Chemistry : (Periods 14)

General Introduction : Importance and scoe of chemistry.Historical
approach to particulate nature of matter, laws of chemical combination. Dalton’s
atomic theory : concept of elements, atoms and molecules. Atomic and
molecular masses. Mole concept and molar mass : percentage composition,
empirical and molecular formula; chemical reactions, stoichiometry and
calculations based on stoichiometry.

CURRICULUM AND SYLLABUS for Classes XI & XII 243 243 CURRICULUM AND SYLLABUS for Classes XI & XII

Unit II: Structure of Atom (Periods 16) Unit VI: Chemical Thermodynamics (Periods 16)

Discovery of electron, proton and neutron; atomic number,isotopesand Concepts of System, types of systems, surroundings. W ork,heat,energy,
isobars. Thomson’s model and its limitations, Rutherford’s model and its extensiveandintensiveproperties,statefunctions.
limitations. Bohr’s model and its limitations, concept of shells and subshells,
dualnatureofmatterandlight,DeBroglie’srelationship,Heisenberguncertainty First law of thermodynamics - internal energy change (∆U) and enthalpy
principle, concept of orbital, quantum numbers, shapes of s, p, and d orbital change (∆H), Hess’s law of constant heat summation, enthalpy of : bond d
rulesforfillingelectronsinorbital- Aufbauprinciple,Pauliexclusionprinciple issociation, combustion, formation, atomization, sublimation. Phase
and Hund’srule,electronicconfigurationofatoms,stabilityofhalffilledand transformation,ionization,andsolution.
completelyfilledorbital.
Introduction of entropy as a state function, Gibbs energy change for
spontaneous and nonspontaneous processes, criteria for equilibrium.

Unit III: Classification of Elements and Periodicity in Properties (Periods 8) Second and third laws of thermodynamics.

Significanceofclassification,briefhistoryofthedevelopmentofPeriodic Unit VII: Equilibrium (Periods 20)
table, modern periodic law and the present farm of periodic table, periodic
trendsinpropertiesofelements-atomicradii,ionicradii.Ionizationenthalpy, Equilibrium in physical and chemical processes, dynamic nature of
electrongainenthalpy,electronegativity, valence, Nomenclature of elements equilibrium,lawofmassaction,equilibriumconstant,factorsaffectingequilibrium
with atomic number greater than 100. -LeChatelier’sprinciple;ionicequilibrium-ionizationofacidsandbases,strong
and weak electrolytes, degree of ionization, ionization of polybasic acids, acid
Unit IV: Chemical Bonding and Molecular Structure (Periods 16) strength, concept of pH Henderson Equation. Hydrolysis of salts (elementary
idea). Buffer solutions, solubility product, common ion effect (with illustrative
Valence electrons, ionic bond, bond parameters, covalent bond : Born examples).
Haber Cycle. Lewis structure, polar character of covalent bond, covalent
character of ionic bond, valence bond theory, resonance, geometry of covalent Unit VIII: Redox Reactions (Periods 6)
molecules, VSEPR theory,conceptathybridization,involvings,panddorbitals
and shapes of some simple molecules, molecular orbital theory of homonuclear Concept of oxidation and reduction, redox reactions, oxidation number,
and heteronuclear diatomic molecules (qualitative idea only), hydrogen bond. balancing redox reactions in terms of loss and gain of electrons, change in
oxidationstates.

Unit V: States of Matter : Gases and Liquids (Periods 14)

Threestatesofmatter.Intermolecularinteractions,typesofbonding,melting Unit IX: Hydrogen (Periods 8)
and boiling points. Role of gas laws in elucidating the concept of the molecule,
Boyle’slaw.Charles’ law, Gay Lussac’slaw,Avogadro’slaw.Idealbehavior, Position of hydrogen in periodic table, occurence, isotopes, preparation,
empiricalderivationofgasequation, Avogadro’s number.Idealgasequation. propertiesandusesofhydrogen;hydrides-ionic,covalentandinterstitial;physical
Derivation from ideal behaviour,liquefactionofgases,criticaltemperature,kinetic andchemicalpropertiesofwater, heavy water; hydrogen peroxide-preparation,
energy and molecular speeds (elementary idea) properties, structure and uses; hydrogen as a fuel.

Liquid State- Vapourpressure,viscosityandsurfacetension(qualitative Unit X: s-Block Elements (Alkali and Alkaline earth metals) (Periods 12)
idea only, no mathematical derivations). Group 1 and Group 2 elements :

General introduction, electronic configuration, occurrence, anomalous
propertiesofthefirstelementofeachgroup,diagonalrelationship,trendsinthe
variationofproperties(suchasionizationenthalpy,atomicandionicradii),treands
in chemical reactivity with oxygen, water, hydrogen and halogens; uses.

CURRICULUM AND SYLLABUS for Classes XI & XII 245 246 CURRICULUM AND SYLLABUS for Classes XI & XII

Preparation and properties of some important compounds : Alkynes − Nomenclature, structure of triple bond (ethyne), physical
properties. Methods of preparation, chemical reactions : acidic character of
Sodium carbonate, sodium hydroxide and sodium hydrogen carbonate, alkynes, addition reaction of - hydrogen, halogens, hydrogen halides and water.
biological importance of sodium and potassium. CaO, CaCO and industrial Aromatic hydrocarbon : Introduction, IUPAC nomenclature; Benzene : resonance
aromaticity:chemicalproperties:mechanismofelectrophilicsubstitution-nitration
3 sulphonation, halogenation, Friedel Craft’s alkylation and acylation : directive
influence of functional group in mono-substituted benzene; carcinogenicity and
use of lime and limestone, biological importance of Mg and Ca toxicity.

Unit XI: Some p-Block Elements (Periods 14)

General Introduction to p-Block Elements

Group 13 elements : General introduction, electronic configurations, Unit XIV: Environmental Chemistry (Periods 6)
occurrence. Variationofproperties,oxidationstates,trendsinchemicalreactivity,
anomalous properties of first element of the group; Boron-physical and chemical Environmentalpollution-air,waterandsoilpollutions,chemicalreactions
properties, some important compounds : borax, boric acid, boron hydrides. in atmosphere, smog, major atmospheric pollutants; acid rain, ozone and its
Aluminum : reactions with acids and alkalis and uses. reactions,effectsofdepletionofozonelayer,greenhouseeffect and global warming
- pollution due to industrial wastes; green chemistry as an alternative tool for
Group 14 elements : General Introduction, electronic configurations, reducingpollution,strategyforcontrolofenvironmentalpollution.
occurrencevariationofproperties,oxidationstates,trendsinchemicalreactivity,
anomalous behaviour of first element, Carbon - catenation, allotropic forms,
physical and chemical properties; uses of some important compounds : oxides.
Importantcompoundsofsiliconandafewuses:silicontetrachloride,silicones,
silicatesandZeolites,theirusesandstructureofsilicates.

Unit XII: Organic Chemistry - Some Basic Principles and Techniques (Periods 16)

General introduction, methods of qualitative and quantitative analysis,
classificationandIUPAC nomenclature of organic compounds.

Electronicdisplacementsinacovalentbond:inductiveeffect,electromeric
effect, resonance and hyper conjugation.

Homolytic and heterolytic fission of a covalent bond : free radicals,
carbocations, carbanions; electrophiles and nucleophiles, types of organic
reactions.

Unit XIII: Hydrocarbons (Periods 16)

Classification of hydrocarbons

Alkanes − Nomenclature, isomerism, conformations (ethane only)
Preparation,physicalproperties,chemicalreactionsincludinghalogenation,free
radical mechanism, combustion and pyrolysis.

Alkenes − Nomenclature, structure double bond (ethane) geometrical
isomerism, physical properties, methods of preparation; chemical reactions :
additionofhydrogen,halogen,water, hydrogen halides (Markovnikov’saddition
andperoxideeffect),ozonolysis,oxidation,mechanismofelectrophilicaddition.

CURRICULUM AND SYLLABUS for Classes XI & XII 247 248 CURRICULUM AND SYLLABUS for Classes XI & XII

CHEMISTRY (ii) Characterization and Purification of Chemical Substances : (Periods 7)

PRACTICALS 1. Determination of melting point of an organic compound
CLASS - XI
2. Determination of boiling point of organic compound
Evaluation Scheme for Examination
A. Volumetric Analysis 3. Crystallizationinvolvingimpuresampleofanyoneofthefollowing: Alum,
B. Salt Analysis
C. Content Based Experiment Marks Copper sulphate, Benzoic acid
D. Class Record and Viva 10
8 (iii) Experiments related to pH change (Periods 7)
6
6 (a) Any one of the following experiments :
30
• Determination of pH of some solutions obtained from fruit juices,

varied concentrations of acids, bases and salts using pH paper or

universalindicator.

Total = • Comparing the pH of solutions of strong and weak acids of same

concentration.

A. Quantitative estimation (Periods 18) • StudyofthepHchangeintitrationofastrongbaseusinguniversal

• Using a chemical balance. indicator.

(b) Study of pH change by common-ion effect in case of weak acids and

• Preparationofstandardsolutionofoxalicacid. weak bases.

• Determination of strenght of a given solution of sodium hydroxide by (iv) Chemical equilibrium (Periods 5)
titratingitagainststandardsolutionofoxalicacid.
One of the following experiments :

• Preparation of standard solution of sodium carbonate. (a) Studytheshiftinequilibriumbetweenferricionsandthiocyanateionsby

• Determination of strength of a given solution of hydrochloric acid by increasing/decreasingtheconcentrationofeitherions.
titratingitagainststandardsodiumcarbonatesolution.
(b) Study of the shift in equilibrium between [Co(H2O)6]2+ and chloride ion
by changing the concentration of either of the ions.

B. Quanlitative analysis (Periods 18) (v) Detection of nitrogen, sulphur, chlorine (Periods 12)

Determination of one anion and one cation in a given salt

Cations : Pb2+, Cu2+,As3+,Al3+,Fe3+, Mn2+,Ni2+,Zn2+, Co2+,Ca2+,Sr2+,Ba2+ D. Class record and viva voce.
M g2+, NH4+

Anions : C O32−,S2−, SO32−, SO42−, NO2−, NO3−,Cl−,Br−,I−, PO43−,C2O42−,
C H3COO−

(Note : Insoluble salts excluded)

C. Content based experiment (Periods 3)

(i) Basic Laboratory Techniques :
1. Cuttingglasstubeandglassrod
2. Bending a glass tube
3. Drawingoutaglassjet
4. Boring a cork

CURRICULUM AND SYLLABUS for Classes XI & XII 249 250 CURRICULUM AND SYLLABUS for Classes XI & XII

PRESCRIBED TEXTBOOKS : DESIGN
QUESTION PAPER/UNIT TEST
1. Chemistry Part I & II (Textbook for class XI)
Published by : NCERT, New Delhi. Subject : CHEMISTRY
Unit/Paper : Theory
2. Conceptual Chemistry for Class XI
By : S.K. Jain Class : XI
Published by : S. Chand & Company Ltd., New Delhi. Time : 3 Hours
Full Marks : 70
3. Dinesh Companion Chemistry for Class XI
By : S.K. Malhotra I. WEIGHTAGE TO OBJECTIVES :
Published by : S. Dinesh & Co., Jalandhar City
Objectives K U A S Total
4. Practical Chemistry for Class XI
By : R.P. Manchanda. Percentage of Marks 35 50 15 - 100
Published by : Saraswati House Pvt. Ltd., New Delhi.
Marks 25 35 10 - 70
5. A Textbook of Practical Chemistry for Class XI
By : Dr. N. Nila Singh and Dr. K. Nabachandra Singh II. WEIGHTAGE TO FORM OF QUESTIONS :
Publishedby: W riter’s Book Store, Paona Bazar,Imphal
Forms of Questions E SA-I SA-II VSA O Total
6. Comprehensive Practical Chemistry for Class XI
By : Dr.N.K. Varma, B.K. Vermani and Dr.Neera Verma No. of Questions 03 07 10 10 4 34
Published by : Laxmi Publications (P) Ltd., New Delhi.
Marks Allotted 15 21 20 10 4 70
7. Dinesh Manual Practical in Chemistry for Class XI
By: V.K. Sharma Estimated Time in Minutes 45 56 50 21 8 180
Published by : S. Dinesh & Co., Jalandhar City
III. WEIGHTAGE TO CONTENT :
REFERENCE BOOK :
Units Titles Marks
Pradeep’s New Course Chemistry for Class XI
By : S.C. Kheterpal, S.N. Dhawan & P.N. Kapil .i Some basic concepts of Chemistry 3
Published by : Pradeep Publications, Jalandhar.
i. Structureof Atom 6

ii. Classificationofelementsandperiodicityinproperties 4

iv. Chemical bonding and molecular structure 5

v. Statesofmatter:GasesandLiquids 4

vi. Thermodynamics 6

vii. Equilibrium 6

viii. Redox reactions 3

ix. Hydrogen 3

x. s-Blockelements(Alkaliand Alkaline Earth Metals) 5

xi. Some p-block elements : 7

xii. OrganicChemistry :Somebasicprinciples and Techniques 7

xiii. Hydrocarbons 8

xiv. Environmental Chemistry 3

Total = 70

IV. SCHEME OF SECTIONS : Nil

V. SCHEME OF OPTIONS: Nil

VI. DIFFICULTY LEVEL:

Difficult : 15% marks

Average : 50% marks

Easy : 35% marks

Abbreviation : K (Knowledge), U (Understanding), A (Application), S (Skill), E (Essay Type),
SA (Short Answer Type), VSA (VeryShort Answer Type), O(Objective Type)

CURRICULUM AND SYLLABUS for Classes XI & XII 251 252 CURRICULUM AND SYLLABUS for Classes XI & XII

DESIGN CHEMISTRY
QUESTION PAPER/UNIT TEST
THEORY
Subject : Chemistry Class XII
Paper : Practical (One Paper)
Class : XI One Paper Time : 3 Hours Marks : 70

Full Marks : 30 Units Titles Marks
Time : 3 Hours .I Solidstate 4
II. Solutions 5
Sl. Form of Nature of Exercise Skill to be tested III. Electrochemistry 5
No. Exercise IV. Chemical Kinetics 5
V. Surface chemistry 4
Manipu- Observa- Drawing Repor- Related Total Estimated VI. General Principles and Processes of Isolation of Elements 3
VII. p-Block elements 8
lative tional skill ting Under- Marks Time VIII. d- and f-Block elements 5
IX. Coordination compounds 3
Skill Skill Skill standing (Mins.) X. Haloalkanes and Haloarenes 4
XI. Alcohols, Phenols and Ethers 4
1. Category A Quantitative Estimation 1 3 0 4 2 10 45 XII. Aldehydes, Ketones and Carboxylic acids 6
XIII. Organic compounds containing nitrogen 4
2. Category B Qualitative Analysis 1 1 0 4 2 8 90 XIV. Biomolecules 4
X V. Polymers 3
3. Category C Any one of the Experiments XVI. Chemistry in everyday life 3
70
listed in the Category C of

the syllabus may be given

e.g.,

Basic Laboratory techniques:

Cutting and Rounding,

Bending, Drawing out of jet

of glass tubes,

Boring of corks; 1 2 021 Total =

Or, Characterization and 6 40 Unit I: Solid State (Periods 12)
Purification of Chemical 1 2 021
Substances; Classification of solids based on different binding forces : molecular,
ionic,covalentandmetallicsolids,amorphousandcrystallinesolids(elementary
Or, Determination of melting idea), unit cell in two dimensional and three dimensional lattices, packing
efficiency,calculationofdensityofunitcell,packinginsolids,voids,number
point, boiling point; ofatomsperunitcellinacubicunitcell,pointdefects,electricalandmagnetic
properties. Band theory of metals. Conductors, semiconductors and insulators
Crystallization etc.; 1 2 021 and n & p type semiconductors.

Or, Experiments related to pH
determination of solutions 1 2 0 2 1

Or, Experiments on

equilibrium ionic reactions; 1 2 0 21 Unit II: Solutions (Periods 12)

4. Class record 3 Typesofsolutions,expressionofconcentrationofsolutionsofsolidsin
5. Viva Voce 5 liquids,solubilityofgasesinliquids,solidsolutions,colligativeproperties-
relative lowering of vapour pressure, Raoult’slaw,elevationofboilingpoint,
3 depression of freezing point, osmotic pressure, determination of molecular
massesusingcolligativeproperties,abnormalmolecularmass,van’tHofffactor
andcalculationsinvolvingit.

CURRICULUM AND SYLLABUS for Classes XI & XII 253 254 CURRICULUM AND SYLLABUS for Classes XI & XII

Unit III: Electrochemistry (Periods 14) Group 16 elements : General introduction; electronic configuration,
oxidationstates,occurrence,trendsinphysicalandchemicalproperties;dioxygen
Redox reactions, conductance in electrolytic solutions, specific and molar : preparation, properties and uses; classification of oxides; Ozone. Sulphur -
conductivityvariationsofconductivitywithconcentration,Kohlrauseh’s Law, allotropic forms; compounds of sulphur : preparation, properties and uses of
electrolysis and laws of electrolysis (elementary idea), dry cell - electrolytic sulphur dioxide; sulphuric acid : industrial process of manufacture, properties
cells and Galvanic cells; lead accumulator,EMFofacell,standardelectrode and uses, other oxides and oxoacids of sulphur (structures only).
potential,Nernstequationanditsapplicationtochemicalcells,Relationbetween
Gibbs energy change and emf of a cell, fuel cells; corrosion. Group 17 elements : General introduction; electronic configuration,
oxidation state; occurrence, trends in physical and chemical properties;
Unit IV: Chemical Kinetics (Periods 12) compounds of halogens; preparation properties and uses of chlorine and
hydrochloric acid, interhalogen compounds, oxoacids of halogens (structures
Rate of a reaction (average and instantaneous), factors affecting rates of only)
reaction : concentration, temperature, catalyst; order and molecularity of
reactions; rate law and specific rate constant, integrated rate equations and Group 18 elements : General introduction, electronic configuration.
half-life (only for zero and first order reactions); concept of collision theory Occurrence, trends in physical and chemical properties, uses.
(elementary idea, no mathematical treatment), Activation energy,Arrhenious
equation. Unit VIII: d and f Block Elements (Periods 12)

Unit V: Surface Chemistry (Periods 8) General introduction, electronic configuration, occurence and
characteristicsoftransitionmetals,generaltrendsinpropertiesofthefirstrow
Adsorption - physisorption and chemisorption; factors affecting adsorption transitionmetals-metalliccharacter,ionizationenthalpy,oxidationstates,ionic
of gases on solids; catalysis : homogeneous and heterogeneous, activity and radii,colour,catalyticproperty,magneticproperties,interstitialcompounds,alloy
selectivity:enzymecatalysis;colloidalstate;distinctionamongtruesolutions, formation. Preparation and properties of K2Cr2O− and KMnO4.
colloidal solutions and suspensions; lyophilic, lyophobic, multimolecular and
macromolecular colloids; properties of colloids; Tyndalleffect, Brownian Lanthanoids - electronicconfiguration,oxidationstates,chemicalreactivity
movemnet, electrophoresis, coagulation; emulsion-elements idea of nano and lanthanoid contraction and its consequences.
materials.
Actinoids - Electronicconfiguration,oxidationstatesandcomparisonwith
lanthanoids.

Unit VI: General Principles and Processes of Isolation of Elements (Periods 6) Unit IX: Coordination Compounds (Periods 10)

Principles and method of extraction - concentration, oxidation, reduction Co-ordination compounds - Introduction, ligands, co-ordination number,
electrolytic method and refining; occurrence and principles of extraction of colour, magnetic properties annd shapes, IUPAC nomenclature of mononuclear
aluminium, copper,zincandiron. co-ordination compounds, bonding; isomerism, importance of co-ordination
compounds (in qualitative analysis, extraction of metals and biological systems)
Unit VII: p-Block elements (Periods 20)

Group 15 elements : General introduction; electronic configuration, Unit X: Haloalkanes and Haloarenes (Periods 12)
occurence, oxidation state, trends in physical and chemical properties; nitrogen
Haloalkanes : Nomenclature, nature of C-X bond, physical and chemical
- preparation, properties and uses; compounds of nitrogen : preparation and properties, mechanism of substitution reactions. Stability of carbocations, R-S
properties of ammonia and nitric acid, oxides of nitrogen (structure only); and D-L configurations.

Phosphorus - allotropic forms; compounds of phosphorus : preparation and Haloarenes : Nature of C-X bond, substitution reactions (directive
properties of phosphine, halides (PCl3, PCl5) and oxoacids (elementary idea influence of halogen for mono substituted compounds only, stability of
only). carbocations R-S and D-L configurations) Uses and environmental effects of-
dichloromethane, trichloromethane, tetrachloromethane, iodoform, freons DDT.

CURRICULUM AND SYLLABUS for Classes XI & XII 255 256 CURRICULUM AND SYLLABUS for Classes XI & XII

Unit XI: Alcohols, Phenols and Ethers (Periods 12) Unit XV: Polymers (Periods 8)

Alcohols : Nomenclature, methods of preparation, physical and chemical Classification - Naturalandsynthetic,methodsofpolymerization(addition
properties(ofprimaryalcoholsonly);identificationofprimary, secondary and and condensation), copolymerization. Some important polymers: natural and
tertiary alcohols; mechanism of dehydration, uses of methanol and ethanol. syntheticlikepolythene,nylon,polyesters,bakelite,rubber. Biodegradable and
nonbiodegradable polymers.
Phenols : Nomenclature, General methods of preparation, physical and
chemicalproperties,acidicnatureofphenol,electrophillicsubstitutionreactins; Unit XVI: Chemistry in Everyday life (Periods 8)
uses of phenol.

Ethers : Nomenclature, methods of preparation, physical and chemical Chemicals in medicine - analgesics,tranquilizers,antiseptics,disinfectants,
properties,uses. antimicrobials,antifertilitydrugs,antibiotics,antacids,antihistamines,antioxidants.

Chemicals in food - preservatives,artificialsweeteningagents.

Unit XII: Aldehydes, Ketones and Carboxylic acids (Periods 12) Cleansing agents - Soaps and detergents, cleansing action.

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.

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

Unit XIII: Oraganic Compounds containing Nitrogen : (Periods 10)

Nitro compounds : General methods of preparation and chemical
reactions.

Amines : Nomenclature,classification,structure,methodsofpreparation,
physical and chemical properties, uses, identification of primary, secondary and
tertiaryamines.

Cyanides and Isocyanides - will be mentioned at relevant places in
context.

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

Unit XIV: Biomolecules (Periods 12)

Carbohydrates : Classification(aldosesandketoses),monosaccharides
(glucose and fructose) D L configuration oligosaccharides (sucrose, lactose,
maltose), polysaccharides (starch, cellulose, glycogen); importance.

Protiens : Elementaryideaof α -aminoacids,peptidebond,polypeptides,
proteins,primarystructure,secondarystructure,tertiarystructureandquaternary
structure (qualitative idea only), denaturation of proteins; enzymes. Lipids and
hormones,theirclassificationandfunctions.

Vitamins : Classificationandfunctions.

Nucleic acids : DNA & RNA; Chemical constitution of DNA & RNA;
Biologicalfunctionsofnucleicacids.

CURRICULUM AND SYLLABUS for Classes XI & XII 257 258 CURRICULUM AND SYLLABUS for Classes XI & XII

CHEMISTRY (ii) Chemical Kinetics (Periods 4)

PRACTICALS (a) Effectofconcentrationandtemperatureontherateofreactionbetween
CLASS - XII sodium thiosulphate and hydrochloric acid.

Evaluation Scheme for Exmamination Marks (b) Studyofreactionratesofanyoneofthefollowing:
A. Volumetric Analysis 10
B. Salt Analysis 8 (i) Reactionofiodideionwithhydrogenperoxideatroomtemperature
C. Content Based Experiment 6
D. Class record and viva 6 usingdifferentconcentrationsofiodideions.
30 (ii) Reaction between potassium iodate KIO3 and sodium sulphite:

(Na SO ) using starch solution as indicator (clock reaction).
23

(iii) Thermo chemistry (Periods 4)

Total = Any one of the following experiments :

(a) Enthalpyofdissolutionofcoppersulphateorpotassiumnitrate.

(b) Enthalpyofneutralizationofstrongacid(HCl)andstrongbase(NaOH).

Practicals Syllabus (c) Determination of enthalpy change during interaction (Hydrogen bond

A. Determination of concentration/molarity of KMnO4 solution formation) between acetone and chloroform.
by titrating it against a standard solution of :
(a) Oxalicacid, (Periods 8) (iv) Electrochemistry (Periods 2)
(b) Ferrous ammonium sulphate
(Students will be required to prepare standard solutions by VariationofcellpotentialinZn/Zn2+ ||Cu2+ /Cuwithchangeinconcentrationof
weighing themselves)
electrolytes (CuSO or ZnSO4) at room temperature.
4

(v) Chromatography (Periods 2)

(i) Separation of pigments from extracts of leaves and flowers by paper

B. Qualitative Analysis : (Periods 14) chromatography and determination of R values.
f

(ii) Separation of constituents present in an inorganic mixture containing two

Determination of one cation and one anion in a given salt. cations only (constituents having wide difference in Rf values to be
provided).
Cations : Pb2+,Cu2+,As3+,Al3+,Fe3+, Mn2+,Ni2+,Zn2+,Co2+,Ca2+,Sr2+,Ba2+,

M g2+, NH4+; (vi) Preparation of Inorganic Compounds (Periods 4)

Anions : C O2−,S2−, SO 2−, SO 2−, NO −, NO −,Cl−, Br−,I−, PO 3−, C2O22−, (a) Preparationofdoublesaltofferrousammoniumsulphateorpotashalum.
3 4 2 3 4
(b) Preparationofpotassiumferricoxalate;
C H 3 C O O−;

(Note : Insoluble salts excluded) (vii) Preparation of Organic Compounds (Periods 4)
Preparation of any two of the following compounds
C. Content based experiment (i) Acetanilide;
(ii) Di-benzal acetone;
(i) Surface Chemistry (Periods 6) (iii) p-Nitroacetanilide;
(iv) Anilineyellowor2-Naphtholanilinedye;
(a) Preparation of anyone lyophilic and one lyophobic sol. (v) Iodoform
Lyophillic sol - starch, egg albumin and gum.
Lyophobic sol - aluminum hydroxide, ferric hydroxide, arsenious
sulphide.

(b) Studyoftheroleofemulsifyingagentsinstabilizingtheemulsionsof
differentoils.

CURRICULUM AND SYLLABUS for Classes XI & XII 259 260 CURRICULUM AND SYLLABUS for Classes XI & XII

(viii) Test for Functional Groups in Organic compounds (Periods 6) DESIGN
QUESTION PAPER/UNIT TEST
Unsaturation, alcoholic, phenolic, aldehydic, ketonic, carboxylic and amino

(primary) groups. Subject : CHEMISTRY
Unit/Paper : Theory
(ix) Characteristic tests of carbohydrates, fats and proteins in pure (Periods 4)
samples and their detection in given Food Stuffs. Class : XII
Time : 3 Hours
D. Class record and viva Full Marks : 70

I. WEIGHTAGE TO OBJECTIVES :

Prescribed Textbooks : Objectives K U A S Total

1. Chemistry Part I & II (TextbookforclassXII) Percentage of Marks 35 50 15 - 100
Published by : NCERT, New Delhi.
Marks 25 35 10 - 70
2. Conceptual Chemistry for Class XII
By : S.K. Jain II. WEIGHTAGE TO FORM OF QUESTIONS :
Published by : S. Chand & Company Ltd., New Delhi.
Forms of Questions E SA-I SA-II VSA O Total
3. Dinesh Companion Chemistry for Class XII (Vol.I&II)
By : S.K. Malhotra No. of Questions 03 07 10 10 4 34
Published by : S. Dinesh & Co., Jalandhar City
Marks Allotted 15 21 20 10 4 70
4. PracticalChemistryforClassXII
By : R.P. Manchanda. Estimated Time(inMinutes) 45 56 50 21 8 180
Published by : Saraswati House Pvt. Ltd., New Delhi.
III. WEIGHTAGE TO CONTENT :
5. A Textbook of Practical Chemistry for Class XII
By : Dr. N. Nila Singh and Dr. K. Nabachandra Singh Units Titles Marks
Publishedby: W riter’s Book Store, Paona Bazar,Imphal
.I Solidstate 4
6. Comprehensive Practical Chemistry for Class XII
By : Dr.N.K. Varma, B.K. Vermani and Dr.Neera Verma and K.K. Rehani I Solutions 5
Published by : Laxmi Publications (P) Ltd., New Delhi.
III. Electrochemistry 5
7. Dinesh Manual Practical in Chemistry for Class XII
By: V.K. Sharma and Munish Ratti IV. Chemical Kinetics 5
Published by S. Dinesh & Co., Jalandhar City.
V. Surface chemistry 4

VI. General Principles and Processes of Isolation of Elements 3

VII. p-Block elements 8

VIII. d - and f-Block elements 5

IX. Coordination compounds 3

X. Haloalkanes and Haloarenes 4

XI. Alcohols, Phenols and Ethers 4

XII. Aldehydes, Ketones and carboxylic acids 6

XIII. Organic Compounds containing nitrogen 4

XIV. Biomolecules 4

X V. Polymers 3

XVI. Chemistryineverydaylife 3

Reference Book : Total : 70

1. Pradeep’s New Course Chemistry for Class XII IV. SCHEME OF SECTIONS : Nil
By : S.C. Kheterpal, S.N. Dhawan & P.N. Kapil
Published by : Pradeep Publications, Jalandhar. V. SCHEME OF OPTIONS: Nil

VI. DIFFICULTY LEVEL:

Difficult : 15% marks

Average : 50% marks

Easy : 35% marks

* A wieghtage of 20% has been assigned to questions which test higher order thinking

skillsofstudents.

CURRICULUM AND SYLLABUS for Classes XI & XII 261 262 CURRICULUM AND SYLLABUS for Classes XI & XII

VII. GUIDELINES FOR UNITS 10 TO 13 OF SYLLABUS : DESIGN
QUESTION PAPER/UNIT TEST
These units include question on -
Subject : CHEMISTRY
• Nomenclature : 2 Marks Paper : Practical (One Paper)
• Reasoning : 5 Marks Class : XII
• Distinguishing between compounds : 2 Marks
• Name reactions : 2 Marks Full Marks : 30
• Reaction mechanism : 2 Marks Time : 3 Hours
• W orld problems (conversions) covering
: 5 Marks Sl. Form of Nature of Exercise Skill to be tested
propertiesandreactionsoffunctional No. Exercise
goups. Manipu- Observa- Drawing Repor- Related Total Estimated

lative tional skill ting Under- Marks Time

VIII. NUMERICALS : Skill Skill Skill standing (Mins.)
W eightageof8to10marksintotalhasbeenassignedtonumerical.
1. Category A Quantitative Estimation 1 3 0 4 2 10 45

2. Category B Qualitative Analysis 1 1 0 4 2 8 90

Abbreviation : K (Knowledge), U (Understanding), A (Application), S (Skill), E (Essay Type), 3. Category C Any one of the experiments
SA (Short Answer Type), VSA (VeryShort Answer Type), O(Objective Type) listed in the Category C of
the syllabus may be given.
For the experiments given in
the chapter

(i) Surface Chemistry 1 2 0 2 1

(ii) Chemical Kinetics 1 2 0 2 1

(iii) Thermo Chemistry 1 2 0 2 1

(iv) Electrochemistry 1 2 0 21

(v) Chromatography 1 2 0 2 1 6 40

(vi) Preparation of
Inorganic Compound 1 2 0 2 1

(vii) Preparation Organic

Compounds 1 2 0 21

(viii) Tests for Functional

Groups in Organic

Compound 1 2 0 21

(ix) Carbohydrates, fats and
proteins in Food stuffs 1 2 0 2 1

4. Class 3
record 5

5. Viva Voce 3