NEET 2019 Chemistry Syllabus Updated

NEET 2019 Chemistry Syllabus

AIPMT 2016 Syllabus The syllabus of AIPMT 2016 contains topics of class 11 and 12 for the subjects of Chemistry

AIPMT preliminary Chemistry Syllabus

AIPMT Final Chemistry Syllabus

All India pre-medical/pre-dental Test Chemistry Syllabus for Competitive Medical entrance examination 2016

Detail AIPMT 2016 Chemistry Syllabus

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 fi gures,  Uni t  and di mensi onal  anal ysi s,  Mat t er and i t s nat ure,  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 element s with atomic number > 100,  elect ronic configurations of elements and periodic table, electronic configuration and types of elements and s, p, d and f blocks, periodic trends in properties of el ements (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  capacit y,  measurement  of ∆U and ∆H,  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 molecul es 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, het erogenous equi l i br i um,  appl i cat i on of equi l i bri um const ant s,  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 at oms per unit cell in a cubic unit  cell,  point  defect s,  el ect ri cal  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, vapor 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 react ions –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   Conduct ancein electrolytic solutions,  specific and molar conduct i vi t y,  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,  col loidal  stat e,  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 peroxide-preparation, 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 i n some molecules ( e. g.  N2O) and i t s consequences; general trend in catenation tendency down each  group.   Group-wise study of the p-block Elements 2

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 KCr2O2 and KMnO7.  4 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, bond in gvalence bond approach to the bonding and basic ideas of Crystal  Field Theory, colour  and magnet i c properties.   Elementary ideas of metal  – carbon bonds and organometallic compounds,  importance of co-ordination compounds (i n 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 effect on 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 bio-system.

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.

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