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, SYLLABUS
CHEMISTRY (Code No. 043)
COURSE STRUCTURE, CLASS XI (2021 - 22)
TERM - II
Time : 2 Hours Max Marks : 35
S. No. Unit Periods Marks
1 States of Matter: Gases and Liquids 9
2 Chemical Thermodynamics 14 15
3 Equilibrium 12
4 s - Block Elements 5
11
5 Some p - Block Elements 9
6 Hydrocarbons 10 9
Total 59 35
States of Matter : Gases and Liquids Some p - Block Elements
Three states of matter, intermolecular interactions, types of bonding, General Introduction to p - Block Elements
melting and boiling points, role of gas laws in elucidating the concept of Group 13 Elements : General introduction, electronic configuration,
the molecule, Boyle's law, Charles law, Gay Lussac's law, Avogadro's law, occurrence, variation of properties, oxidation states, trends in chemical
ideal behaviour, empirical derivation of gas equation, Avogadro's number, reactivity, anomalous properties of first element of the group,
ideal gas equation and deviation from ideal behaviour. Boron - physical and chemical properties.
Chemical Thermodynamics Group 14 Elements : General introduction, electronic configuration,
Concepts of System and types of systems, surroundings, work, heat, occurrence, variation of properties, oxidation states, trends in chemical
energy, extensive and intensive properties, state functions. reactivity, anomalous behaviour of first elements.
First law of thermodynamics -internal energy and enthalpy, measurement Carbon-catenation, allotropic forms, physical and chemical properties.
of U and H, Hess's law of constant heat summation, enthalpy of bond
dissociation, combustion, formation, atomization, sublimation, phase Hydrocarbons
transition, ionization, solution and dilution. Second law of Thermodynamics Classification of Hydrocarbons Aliphatic Hydrocarbons :
(brief introduction). Alkanes - Nomenclature, isomerism, conformation (ethane only), physical
Introduction of entropy as a state function, Gibb's energy change for properties, chemical reactions.
spontaneous and nonspontaneous processes. Alkenes - Nomenclature, structure of double bond (ethene), geometrical
Third law of thermodynamics (brief introduction). isomerism, physical properties, methods of preparation, chemical reactions:
Equilibrium addition of hydrogen, halogen, water, hydrogen halides (Markovnikov's
Equilibrium in physical and chemical processes, dynamic nature of addition and peroxide effect), ozonolysis, oxidation, mechanism of
equilibrium, law of mass action, equilibrium constant, factors affecting electrophilic addition.
equilibrium - Le Chatelier's principle, ionic equilibrium- ionization of acids Alkynes - Nomenclature, structure of triple bond (ethyne), physical
and bases, strong and weak electrolytes, degree of ionization, ionization properties, methods of preparation, chemical reactions: acidic character
of poly basic acids, acid strength, concept of pH, buffer solution, solubility of alkynes, addition reaction of - hydrogen, halogens, hydrogen halides
product, common ion effect (with illustrative examples). and water.
s -Block Elements Aromatic Hydrocarbons
Group 1 and Group 2 Elements - General introduction, electronic Introduction, IUPAC nomenclature, benzene: resonance, aromaticity,
configuration, occurrence, anomalous properties of the first element of chemical properties: mechanism of electrophilic substitution. Nitration,
each group, diagonal relationship, trends in the variation of properties sulphonation, halogenation, Friedel Craft's alkylation and acylation,
(such as ionization enthalpy, atomic and ionic radii), trends in chemical directive influence of functional group in monosubstituted benzene.
reactivity with oxygen, water, hydrogen and halogens, uses. Carcinogenicity and toxicity.
PRACTICALS
Term II: At the end of Term II, a 15-mark Practical would be conducted under the supervision of subject teacher. This would contribute to the overall practical
marks for the subject.
OR
In case the situation of lockdown continues beyond December 2021, a Practical Based Assessment (pen-paper) of 10 marks and Viva 5 marks would be
conducted at the end of Term II by the subject teacher. This would contribute to the overall practical marks for the subject.
Evaluation Scheme
S. No. Practicals Marks
1 Salt Analysis 8
2 Content Based Experiment 2
3 Project Work and Viva (Internal) 5
Total 15
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