(Syllabus) AIPMT: Chemistry - 2012
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AIPMT 2012 Exam Syllabus
CHEMISTRY
Unit : 1 Some basic concepts in Chemistry
Importance of Chemistry, physical quantities and their measurement in
Chemistry, SI Units, uncertainty in measurements and use of significant figures,
Unit and dimensional analysis, Matter and its nature, laws of chemical
combinations, atomic, and molecular, masses mole concept, molar masses,
percentage composition and molecular formula, chemical stoichiometry.
Unit : 2 States of matter
Three states of matter, gaseous state, gas laws (Boyle’s Law and Charles
Law), Avogadro’s Law, Grahams’Law of diffusion, Dalton’s law of partial
pressure, ideal gas equation, Kinetic theory of gases, real gases and deviation
from ideal behaviour, van der Waals’ equation, liquefaction of gases and
critical points, Intermolecular forces; liquids and solids.
Unit : 3 Atomic structure
Earlier atomic models (Thomson’s and Rutherford) , emission spectrum of
hydrogen atom, Bohr’s model, of hydrogen atom, Limitations of Bohr’s model, dual
nature of matter and radiation, Heisenberg uncertainty principle, quantum
mechanical model of atom (quantum designation of atomic orbitals and electron
energy in terms of principal, angular momentum and magnetic quantum numbers),
electronic spin and spin quantum numbers, Pauli’s exclusion principle, general
idea of screening (constants) of outer electrons by inner electrons in an atom,
Aufbau principle, Hund’s rule, atomic orbitals and their pictorial
representation, electronic configurations of elements.
Unit : 4 Classification of elements and periodicity in
properties
Need and genesis of classification of elements (from Doebereiner to
Mendeleev), Modern periodic law and present form of periodic table, Nomenclature
of elements with atomic number > 100, electronic configurations of elements and
periodic table, electronic configuration and types of elements and s, p, d and f
blocks, periodic trends in properties of elements (atomic size, ionization
enthalpy, electron gain enthalpy, valence/ oxidation states and chemical
reactivity).
Unit : 5 Chemical energetics
Some basic concepts in thermodynamics, first law of thermodynamics, heat
capacity, measurement of DU and DH, calorimetry, standard enthalpy changes,
thermochemical equations, enthalpy changes during phase transformations, Hess’s
Law, standard enthalpies of formation, bond enthalpies and calculations based on
them.
Unit : 6 Chemical bonding
Kossel -Lewis approach to chemical bond formation, ionic bonds, covalent
bonds, polarity of bonds and concept of electronegativity, valence shell
electron pair repulsion (VSEPR) theory , shapes of simple molecules, valence
bond theory, hybridization involving s, p and d orbitals and shapes of molecules
s and p bonds; Molecular orbital theory involving homounclear diatomic
molecules; Hydrogen-bonding.
Unit : 7 Equilibrium
Equilibrium in physical and chemical processes. Equilibrium in physical and
chemical processes, dynamic equilibrium, law of chemical equilibrium and
equilibrium constant, homogeneous equilibrium, heterogenous equilibrium,
application of equilibrium constants, Relationship between reaction quotient Q,
equilibrium constant, K and Gibbs’ energy G; factors affecting equilibrium-Le
Chateliar’s principle. Ionic equilibrium Acids, Bases and Salts and their
ionization, weak and strong electrolytes degree of ionization and ionization
constants, concept of pH, ionic product of water, buffer solution, common ion
effect, solubility of sparingly soluble salts and solubility products.
Unit : 8 Redox reactions
Electronic concepts of reduction - oxidation, redox reactions, oxidation
number, balancing of redox reactions. Unit : 9 Solid state Chemistry
Classification of solids based on different binding forces: molecular, ionic,
covalent and metallic solids, amorphous and crystalline solids; unit cells in
two dimensional and three dimensional lattices, calculation of density of a unit
cell, packing in solids, voids, number of atoms per unit cell in a cubic unit
cell, point defects, electrical and magnetic properties.
Unit : 10 Chemical thermodynamics
Spontaneous processes, energy and spontaneity , entropy and second law of
thermodynamics, concept of absolute entropy, Gibbs energy and spontaneity, Gibbs
energy change and equilibrium constant.
Unit : 11 Solutions
Types of solutions, different units for expressing concentration of
solution, mole fraction, percentage (by volume and mass both), definitions of
dilute solutions, vapour pressure of solutions and Raoult’s Law, Colligative
properties, lowering of vapour pressure, depression of freezing point, elevation
of boiling points and osmotic pressure, determination of molecular masses using
colligative properties, abnormal values of molecular masses, van’t Hoff factor.
simple numerical problems.
Unit : 12 Chemical kinetics
Rate of chemical reactions, factors, affecting rates of reactions
–concentration, temperature and catalyst, order and molecularity of reactions,
rate law and rate constant, differential and integral forms of first order
reaction, half-life (only zero and first order) characteristics of first order
reaction, effect of temperature on reactions, Arrhenius theory - activation
energy, collision theory of reaction rate (no derivation).
Unit : 13 Electrochemistry
Conductance in electrolytic solutions, specific and molar conductivity,
variation of conductivity with concentration, Kohlrausch’s law, electrolysis and
laws of electrolysis (elementary idea), electrolytic and galvanic cells, emf. of
a cell, standard electrode potential, Nernst equation, concentration cell, fuel
cells, cell potential and Gibbs energy, dry cell and lead accumulator.
Unit : 14 Surface chemistry
Adsorption - physisorption and chemisorption, factors affecting adsorption
of gases on solids, catalysis, homogeneous and heterogeneous activity and
selectivity, enzyme catalysis, colloidal state, distinction between true
solutions, colloids and suspensions; lyophillic, lyophobic, multimolecular and
macromolecular colloids, properties of colloids, Tyndal effect, Brownian
movement, electrophoresis, coagulation, emulsions - type of emulsions.
Unit :15 Hydrogen
Position of hydrogen in periodic table, isotopes of hydrogen, heavy water,
hydrogen peroxidepreparation, reactions and structures; hydrides and their
classification.
Unit :16 s-Block Elements (Alkali and Alkaline Earth
metals):
Group 1 and Group 2 elements
Electronic configurations and general trends in physical and chemical
properties, anomalous properties of the first element of each group, diagonal
relationship. Preparation and properties of some important compounds, sodium
carbonate, sodium hydroxide, sodium hydrogen carbonate and industrial uses of
lime and limestone, biological significance of Na, K, Mg and Ca.
Unit :17 General principles and processes of isolation of
elements
Principles and methods of extraction - concentration, reduction, (chemical
and electrolytic methods), and refining. Occurrence and principles of extraction
of Al, Cu, Zn and Fe.
Unit :18 p-Block Elements
Introduction to p-block elements
Electronic configurations and general trends in properties, viz. atomic sizes,
ionization enthalpies, electronegativity values, electron gain enthalpies and
oxidation states across the periods and down the groups in the p-block. Unique
behaviour of the top element in each group of the block - the covalency limit
and the pp - pp overlap in some molecules (e.g. N2 , O2) and its consequences;
general trend in catenation tendency down each group. Group-wise study of the
p-block Elements Group 13 - In addition to the general characteristics as
outlined above, properties and uses of aluminium, nature of hydrides/ halides
and oxides; Properties, structures and uses of diborane boron halides, aluminium
chloride, borax, boric acid and alums. Group 14 - In addition to the general
characteristics; carbon – catenation, allotropic forms (diamond and graphite),
properties and structures of oxides; silicon - silicon tetrachloride, and
structures and uses of silicates, silicones and zeolites. Group 15 - In addition
to the general characteristics, the general trends in the nature and structures
of hydrides, halides and oxides of these elements. Preparation and properties of
ammonia, nitric acid, phosphine and halides of phosphorus, structures of the
oxoacids of phosphorus. Group 16 - In addition to the general characteristics,
preparations, properties and uses of dioxygen, simple oxides, ozone; sulphur -
allotropic forms, compounds of sulphur, preparation, properties and uses of
sulphur dioxide and sulphuric acid, industrial preparations of sulphuric acid,
structures of oxoacids of sulphur. Group 17 - In addition to the general
characteristics, occurrence, trends in physical and chemical properties, oxides
and oxoacids of halogens (structures only), preparation, properties and uses of
chlorine and hydrochloric acid, trends in the acidic nature of hydrogen halides.
Interhalogen compounds (structures only). Group 18 - General introduction,
electronic configurations, occurrence, trends in physical and chemical
properties and uses, - fluorides and oxides of xenon (structures only).
Unit :19 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 –physical properties, ionization enthalpy, oxidation states, ionic radii,
colour, catalytic property, magnetic property, interstitial compounds, alloy
formation; preparations and properties of K2Cr2O7 and KMnO4. Lanthanoids -
Electronic configuration and oxidation states, chemical reactivity and
lanthanoid contraction. Actinoids - Electronic configuration and oxidation
states.
Unit :20 Coordination compounds
Introduction to ligands, coordination number, colour, magnetic properties,
and shapes; IUPAC - nomenclature of mononuclear coordination compounds,
isomerism , bondingvalence bond approach to the bonding and basic ideas of
Crystal Field Theory, colour and magnetic properties. Elementary ideas of metal
- carbon bonds and organometallic compounds, importance of co-ordination
compounds (in qualitative analysis, extraction of metals and biological
systems).
Unit :21 Some basic principles of Organic Chemistry
- Tetravalence of carbon, hybridization ( s and p ), shapes of simple
molecules, functional groups:-C=C-, -C C- and those containing halogens, oxygen,
nitrogen and sulphur; homologous series, isomerism. - General introduction to
naming organic compounds-trivial names and IUPAC nomenclature. - Electronic
displacement in a covalent bond; inductive effect, electromeric effect,
resonance and hyperconjugation. Fission of covalent bond: free radicals,
electrophiles and nucleophiles, carbocations and carbonanions. - Common types of
organic reactions: substitution, addition, elimination and rearrangement
reactions.
Unit :22 Hydrocarbons
Alkanes andcycloalkanes : classification of hydrocarbons, alkanes and
cycloalkanes,nomenclature and conformations of alkanes and cycloalkanes. Alkenes
and alkynes :Nomenclature and isomerism, general methods of preparation,
properties (physicaland chemical), mechanism of electrophilic addition,
Markownikoff’s rule,peroxide effect, acidic character of alkynes, polymerisation
reactions. Aromatic hydrocarbons :Benzene and its homologues, nomenclature,
sources of aromatic hydrocarbons (coaland petroleum), structure of benzene,
chemical reaction of benzenemechanism of electrophilic substitution. Directive
influence of substituents and their effecton reactivity. Petroleum and
petrochemicals : Composition of crude oil fractionation and uses, quality of
gasoline, LPG, CNG, cracking and reforming,petrochemicals.
Unit :23 Purification and characterization of carbon
compounds
- Purification of carbon compounds : filtration, crystallisation,
sublimation, distillation chromatography,
- Qualitative analysis : detection of nitrogen, sulphur, phosphorus and
halogens.
- Quantitative analysis : estimation of different elements (H, N, halogens, S
and P)
- Determination of molecular masses : Silver salt method, chloroplatinate salt
method, calculations of empirical and molecular formulas.
Unit :24 Organic compounds with functional groups
containing halogens (X)
- Nature of C-X bond in haloalkanes and haloarenes, nomenclature, physical
and chemical properties, mechanism of substitution reactions, reactivity of C-X
bond in haloalkanes and haloarenes.
- Some commercially important compounds : dichloro, trichloro and
tetrachloromethanes; p-dichlorobenzene, freons, BHC, DDT, their uses and
important reactions. Unit :25 Organic compounds with functional groups
containing oxygen Alcohols and phenols : Nomenclature, methods of preparation,
physical and chemical properties; chemical reactivity of phenols in
electrophilic substitutions, acidic nature of phenol, ethers: electronic
structure, structure of functional group, nomenclature, important methods of
preparation, physical and chemical properties, some commercially important
compounds. Aldehydes and ketones : Electronic structure of carbonyl group,
nomenclature, important methods of preparation, physical properties and chemical
reactions, relative reactivity of aldehydic and ketonic groups, acidity of
a-hydrogen, aldol condensation. Connizzarro reaction, nucleophilic addition
reaction to >C=O groups. Carboxylic acids : Electronic structure of-COOH,
Nomenclature, important methods of preparation, physical properties and effect
of substituents on a-carbon on acid strength, chemical reactions. Derivatives of
carboxylic acids : Electronic structure of acid chloride, acid anhydride, ester
and amide groups, nomenclature, important methods of preparation, comparative
reactivity of acid derivatives. Some commercially important compounds.
Unit :26 Organic Compounds with functional group
containing nitrogen
- Structure, nomenclature of nitro, amino, cyano and diazo compounds.
- Nitro compounds – important methods of preparation, physical properties and
chemical reactions.
- Amines : primary, secondary and tertiary amines, a general awareness,
important methods of preparation, physical properties, basic character of
amines, chemical reactions.
- Cyanides and isocyanides : preparation, physical properties and chemical
reactions. - Diazonium salts : Preparation, chemical reaction and uses of
benzene diazonium chloride. Some commercially important nitrogen containg carbon
compounds, (aniline, TNT) Unit :27 Polymers Classification of polymers, general
methods of polymerization-addition and condensation: addition-free radical,
cationic, anionic polymerization, copolymerisation, natural rubber,
vulcanization of rubber, synthetic rubbers, condensation polymers, idea of
macromolecules, biodegradable polymers. Some commercially important polymers
(PVC, teflon, polystyrene, nylon-6 and 66, terylene and bakelite).
Unit :28 Environmental Chemistry
Environmental pollution – air, water and soil pollutions, chemical reactions
in atmosphere, smogs, major atmospheric pollutants, acid-rain, ozone and its
reactions, effects of depletion of ozone layer, green house effect and global
warming – pollution due to industrial wastes, green chemistry as an alternative
tool for reducing pollution, strategy for controlling environmental pollution.
Unit :29 Biomolecules
Carbohydrates : Classification, aldose and ketose, monosaccharides (glucose
and fructose), oligosaccharides (sucrose, lactose, maltose), polysaccharides
(starch, cellulose, glycogen); important simple chemical reactions of glucose,
elementary idea of structure of pentose and hexose. Proteins : Elementary idea
of a-amino acids, peptide bond, polypeptides, proteins; primary, secondary and
tertiary structure of proteins and quaternary structure (gualitative idea only),
denaturation of proteins, enzymes. Vitamins : Classification and functions
Nucleic acids : Chemical composition of DNA and RNA Lipids : Classification and
structure Hormones : Classification and functions in biosystem.
Unit :30 Chemistry in everyday life
- Chemicals in medicines – analgesics, tranquilizers, antiseptics,
disinfectants, antimicrobials, antifertility drugs, antacids, antihistamins.
- Chemicals in food – preservativess, artificial sweetening agents.
- Cleansing agents – soaps and detergents, cleansing action.
- Rocket propellants : characteristics and chemicals used.