Rules For Rechecking/Re-Evaluation of Answer Sheets

Since the AIEEE answer sheets are machine graded with extreme care and repeatedly scrutinized, there is no provision for rechecking/re-evaluation of answer sheets. No correspondence in this regard will be entertained.

Evaluation and Declaration of Results

On the basis of performance in AIEEE, separate rank lists will be prepared for B.E./B.Tech. and B.Arch/B.Planning. Score Card indicating All India Rank with total marks and marks in each subject shall be sent to all candidates appearing in AIEEE.

Candidates scoring above a certain cut off percentage of marks (being different for General and SC/ST/PH category candidates) to be called for counselling shall be determined at the time of declaration of AIEEE results. All India Rank and marks shall also be released on AIEEE website. The results of AIEEE 2006 are likely to be declared on or before 31st May, 2006.

The score card will be dispatched to the candidates from 10.06.2006 to 25.06.2006. In case of non-receipt of the score card within the stipulated period candidate may apply for duplicate score card on payment of Rs. 50/- (plus postal charges of Rs. 30/- for outstation candidates) in the form of Demand Draft in favour of Secretary, CBSE, payable at Delhi between 03.07.2006 to 31.07.2006. No request for issue of duplicate score card will be entertained thereafter.

As per the notified cut off score and the candidates declared eligible up to the notified Rank shall be called to appear for counselling.

In case of two or more candidates obtaining equal marks, inter-se merit of such candidates shall be determined as follows:

B.E/B.Tech - By marks obtained in Mathematics and then in Physics in the AIEEE and then by age (preference to older candidates).

B.Arch/B.Planning - By marks obtained in Aptitude Test and then in Mathematics in the AIEEE and then by age (preference to older candidates).

LIST OF QUALIFYING EXAMINATIONS

(i) The +2 level examination in the 10+2 pattern of examination of any recognized Central/State Board of Secondary Examination, such as Central Board of Secondary Education, New Delhi, and Council for Indian School Certificate Examination, New Delhi.

(ii) Intermediate or two-year Pre-University Examination conducted by a recognized Board/University.

(iii) Final Examination of the two-year course of the Joint Services Wing of the National Defence Academy.

(iv) Any Public School/Board/University Examination in India or in foreign countries recognized by the Association of Indian Universities as equivalent to 10+2 system.

(v) H.S.C. Vocational Examination.

(vi) A pass grade in the Senior Secondary School Examination conducted by the National Open School with a minimum of five subjects.

(vii) 3 or 4-year diploma recognized by AICTE or a State Board of Technical Education.

Schedule of Examination

AIEEE will be conducted on the following dates as per schedule given below:

Part I

Awareness of persons, places, buildings etc. of Architectural importance. Visualising three dimensional objects from two dimensional drawings. Visualsing different sides of three dimensional objects. Identifying commonly used materials and objects based on their textural qualities and colour. Analytical reasoning Mental ability.

Part II

Three dimensional perception. Understanding and appreciation of scale and proportion of objects, building forms and elements, colour texture, harmony and contrast.

Design and drawing of geometrical or abstract shapes and patterns in pencil. Transformation of forms both 2D and 3D - union, substraction, rotation, development of surfaces and volumes; Generation of plan, elevations and 3D views of objects. Creating two dimensional and three dimensional compositions using given shapes and forms.

Sketching of scenes and activities from memory of urban-scape (public space, market, festivals, street scenes, monuments, recreational spaces etc.), landscape (river fronts, jungles, gardens, trees, plants etc.) and rural life.

Note:

Candidates are advised to bring pencils, own geometry box set, erasers and colour pencils and crayons for the Aptitude Test.

UNIT 1: Some Basic concepts

Measurement in chemistry (Precision, significant figures, S I units, Dimensional analysis). Laws of chemical combination. Atomic Mass, Molecular Mass, mole concept, Molar Mass, determination of Molecular formula. Chemical equation, stoichiometry of Chemical reactions.

UNIT 2: States of Matter

Gaseous state, measurable properties of gases, Boyles Law, Charles Law and absolute scale of temperature, Avogadros hypothesis, ideal gas equation, Daltons law of partial pressures.

Kinetic molecular theory of gases (the microscopic model of gas), deviation form ideal behaviour.

The solid state (classification of solids, X-ray studies of crystal lattices and unit cells, packing of constituent particles in crystals). Imperfection in solids, electrical, magnetic and dielectic properties of solids. Liquid state (Properties of liquids, Vapour pressure, Surface tension, Viscosity).

UNIT 3: Atomic Structure

Constituents of the atom (discovery of electron, rutherford model of the atom).

Electronic structure of atoms nature of light and electromagnetic waves, atomic spectra, bohrs model of hydrogen, shortcomings of the bohr model

Dual nature of matter and radiation. de-Broglie relation. The uncertainty principle, Quantum Mechanical Model of the atom, Orbitals and Quantum numbers. Shapes of orbitals. Aufbau principle, Pauli Exclusion Principle, Hunds Rule, Electronic Configuration of atoms.

UNIT 4: Solutions

Types of solutions, Units of concentration, Vapour-pressure of solutions and Raoults law. Colligative properties. Determination of molecular mass. Non-ideal solutions and abnormal molecular masses. Volumetric analysis-concentration unit.

UNIT 5: Chemical Energetics and Thermodynamics

Energy changes during a chemical reaction, Internal energy and Enthalpy, Internal energy and Enthalpy changes, Origin of Enthalpy change in a reaction, Hesss Law of constant heat summation, numericals based on these concepts. Enthalpies of reactions(Enthalpy of neutralization, Enthalpy of combustion, Enthalpy of fusion and vaporization).

Sources of energy (conservation of energy sources and identification of alternative sources, pollution associated with consumption of fuels. The sun as the primary source).

First law of thermodynamics; Relation between Internal energy and Enthalpy, application of first law of thermodynamics.

Second law of thermodynamics : Entropy, Gibbs energy, Spontaneity of a chemical reaction, Gibbs energy change and chemical equilibrium, Gibbs energy available for useful work.

UNIT 6: Chemical Equilibrium

Equilibria involving physical changes (solid-liquid, liquid-gas equilibrium involving dissolution of solids in liquids, gases in liquids, general characteristics of equilibrium involving physical processes).

Equilibria involving chemical systems (the law of chemical equilibrium, the magnitude of the equilibrium constant, numerical problems).

Effect of changing conditions of systems at equilibrium (change of concentration, change of temperature, effect of catalyst-Le Chateliars principle).

Equilibria involving ions ionization of electrolytes, weak and strong electrolytes, acid-base equilibrium, various concepts of acids and bases, ionization of water, pH scale, solubility product, numericals based on these concepts.

UNIT 7: Redox Reactions and Electrochemistry

Oxidation and reduction as an electron transfer concept. Redox reactions in aqueous solutions-electrochemical cells. e.m.f of a galvanic cell. Dependence of e.m.f on concentration and temperature (NERNST equation and numerical problems based on it). Electrolysis, Oxidation number (rules for assigning oxidation number, redox reactions in terms of oxidation number, nomenclature). Balancing of oxidation-reduction equations.

Electrolytic conduction. Molar conduc-tivity, Kohlrauschs Law and its applications, Voltaic cell, Electrode potential and Electromotive force, Gibbs energy change and cell potential. Electrode potential and products of electrolysis, Fuel cells, corrosion and its prevention.

UNIT 8: Rates of Chemical Reactions and Chemical Kinetics

Rate of reaction, Instantaneous rate of reaction and order of reaction. Factors affecting rates of reactions - factors affecting rate of collisions encountered between the reactant molecules, effect of temperature on the reaction rate, concept of activation energy, catalyst. Effect of light on rates of reactions. Elementary reactions as steps to more complex reactions. How fast are chemical reactions?

Rate law expression. Order of a reaction (with suitable examples). Units of rates and specific rate constants. Order of reaction and effect of concentration (study will be confined to first order only). Temperature dependence of rate constant Fast reactions (only elementary idea). Mechanism of reaction (only elementary idea). Photochemical reactions.

UNIT 9: Surface Chemistry

Surfaces : Adsorption Physical and chemical adsorption, adsorption isotherms
Colloids Preparation and general properties, Emulsions, Micelles

Catalysis : Homogeneous and heterogeneous, structure of catalyst, Enzymes, Zeolites

UNIT 10: Chemical Families Periodic Properties

Modern periodic law, Types of elements Representative elements (s & p block), Transition elements d-block elements, inner transition elements f-block elements). Periodic trends in properties ionization enthalpy, electron gain enthalpy, atomic radii, valence, periodicity in properties of compounds).

UNIT 11: Chemical Bonding and Molecular Structure

Chemical bonds and Lewis structure, shapes of molecules (VSEPR theory). Quantum theory of the covalent bond, hydrogen and some other simple molecules, carbon compounds, hybridization, Boron and Beryllium compounds.

Coordinate covalent bond, ionic bond as an extreme case of polar covalent bond, ionic character of molecules and polar molecules. Bonding in solid state ionic, molecular and covalent solids, metals. Hydrogen bond,Resonance.

Molecules: Molecular orbital. Theory bond order and magnetic properties of H2, O2, N2, F2 on the basis of MOT. Hybridisation involving s, p and d orbitals(including shapes of simple organic molecules), Dipole moment and structure of molecules.

UNIT 12: Chemistry of Non-metals I

Hydrogen ( unique position in periodic table, occurrence, isotopes, properties, reactions and uses), Hydrides molecular, soline and interstitial

Oxygen (occurrence, preparation, properties and reactions, uses), simple oxides; ozone

Water and hydrogen peroxide, structure of water molecule and its aggregates, physical and chemical properties of water, hard and soft water, water softening, hydrogen peroxide preparation, properties, structure and uses.

Nitrogen Preparation, properties, uses, compounds of Nitrogen Ammonia, Oxides of Nitrogen, Nitric Acid preparation, properties and uses.

UNIT 13: Chemistry of Non-Metals II

Boron occurrence, isolation, physical and chemical properties, borax and boric acid, uses of boron and its compounds.

Carbon, inorganic compounds of carbon oxides, halides, carbides, elemental carbon.

Silicon occurrence, preparation and properties, oxides and oxyacids of phosphorus, chemical fertililzers.

Sulphur occurrence and extraction, properties and reactions, oxides, Sulphuric acid preparation, properties and uses, sodium thiosulphate.

Halogens occurrence, preparation, properties, hydrogen halides, uses of halogens.

Noble gases discovery, occurrence and isolation, physical properties, chemistry of noble gases and their uses.

UNIT 14: Chemistry of lighter Metals

Sodium and Potassium occurrence and extraction, properties and uses. Important compounds NaCl, Na2CO3, NaHCO3, NaOH, KCI, KOH.

Magnesium and calcium occurrence and extraction, properties and uses. Important compounds MgCl2, MgSO4, CaO, Ca(OH)2, CaCO3, CaSO4, plaster of paris, Bleaching Powder.

Aluminium occurrence, extraction, properties and uses, compounds AlCl3, alums.
Cement.
Biological role of Sodium, Potassium, Magnesium and Calcium.

UNIT 15: Heavy Metals

Iron Occurrence and extraction, compounds of iron, oxides, halides, sulphides, sulphate, alloy and steel.

Copper and silver occurrence and extraction, properties and uses, compounds sulphides, halides and sulphates, photography.

Zinc and Mercury occurrence and extraction, properties and uses, compounds -oxides, halides; sulphides and sulphates.

Tin and Lead occurrence and extraction, properties and uses, compounds oxides, sulphides, halides.

UNIT 16: Chemistry of Representative Elements

Periodic properties Trends in groups and periods (a) Oxides-nature (b) Halides-melting points (c) Carbonates and sulphates solubility.

The chemistry of s and p block elements, electronic configuration, general characteristic properties and oxidation states of the following :-

Group 1 elements Alkali metals

Group 2 elements Alkaline earth metals

Group 13 elements Boron family

Group 14 elements Carbon family

Group 15 elements Nitrogen family

Group 16 elements Oxygen family

Group 17 elements Halogen family
Group 18 elements Noble gases and Hydrogen

UNIT 17: Transition Metals including Lanthanides

Electronic configuration : General characteristic properties, oxidation states of transition metals. First row transition metals and general properties of their compounds-oxides, halides and sulphides.

General properties of second and third row transition elements (Groupwise discussion).

Preparation and reactions, properties and uses of Potassium dichromate and Potassium permanganate.

Inner Transition Elements: General discussion with special reference to oxidation states and lanthanide contraction.

UNIT 18: Coordination Chemistry and Organo Metallics

Coordination compounds, Nomenclature: Isomerism in coordination compounds; Bonding in coordination compounds, Werners coordination theory. Applications of coordination compounds.

UNIT 19: Nuclear Chemistry

Nature of radiations from radioactive substances. Nuclear reactions; Radio-active disintegration series; Artificial transmutation of elements; Nuclear fission and Nuclear fusion: Isotopes and their applications: Radio carbon-dating.

UNIT 20: Purification and Characterisation of Organic Compounds

Purification (crystallization, sublimation, distillation, differential extraction, chromatography).

Qualitative analysis, detection of nitrogen, sulphur, phosphorus and halogens.

Quantitative analysis estimation of carbon, hydrogen, nitrogen, halogens, sulphur, phosphorus(basic principles only)

Determination of molecular mass Silver salt method, cholroplatinate salt method

Calculation of empirical formula and molecular formula.

Numerical problems in organic quantitative analysis, modern methods of structure elucidation.

UNIT 21: Some Basic Principles

Classification of Organic Compounds.

Tetravalency of Carbon. Homologous series. Functional groups C = C , C C , and groups containing halogen, oxygen, nitrogen and sulphur. General introduction to naming organic compounds Common names and IUPAC nomenclature of alphatic, aromatic and Cyclic Compounds. Illustration with examples of Compounds having not more than three same or different functional groups/atoms. Isomerism Structural and stereoisomerism (geometrical and optical). Chirality Isomerism in Compounds having one and two chiral Centres. Enantiomers, diastereoisomers, racemic forms, racemisation & resolution.

Covalent bond fission Homolytic and Heterolytic : free radicals carbocations and carbanions. Stability of Carbocations and free-radicals. Electrophiles and Nucleophiles.

Electron displacement in a covalent bond inductive effect, electromeric effect, resonance

Common types of organic reactions Substitution, addition, elimination and rearrangement reactions. Illustrations with examples.

UNIT 22: Hyderocarbons

Classification. Sources of hydrocarbons:

Alkanes - General methods of preparation (from unsaturated hydrocarbons, alkylhalides, aldehydes, ketones and carburoxylic acids). Physical properties and reactions (Substitution, oxidation and miscellaneous). Conformations of alkanes(ethane, popane butane) and cyclohexane, sawhorse and Newman projections) mechanism of halogaration of alkanes.

Alkanes and Alkynes - General methods of preparation physical properties, Chemical reactions Mechanism of electrophilic addition reactions in alkenes Markowni Koffs Rule, peroxide effect. Acidic character of alkynes. Polymerisation of alkenes.

Aromatic hydrocarbons - Benzene and its homologues, Isomerism, Chemical reactions of bonzene. Structure of bonzene, resonance. Directive influence of substituents.

Petroleum - HydroCarbons from Petroleum, Cracking and reforming, quality of gasoline Octane number, gasoline additives.

UNIT 23: Organic Compounds Containing Halogens

(Haloalkanes and Haloarenes)

Methods of preparation, physical properties and reactions.
Preparation, properties and uses of Chloroform and Iodoform,

UNIT 24: Organic compounds containing Oxygen

General methods of preparation, correlation of physical properties with their structures, chemical properties and uses of Alchols, polyhydric alcohols, Ethers, aldehydes, ketones, carboxylic acids and their derivatives, Phenol, Benzaldehyde and Benzoic acid their important methods of preparation and reactions. Acidity of carboxylic acids and phenol effect of substituents on the acidity of carboxylic acids.

UNIT 25: Organic Compounds Containing Nitrogen

(Cyanides, isocyanides, nitrocompounds and amines)

Nomenclature and classification of amines, cyanides, isocyanides, nitrocompounds and their methods of preparation; correlation of their physical properties with structure, chemical reactions and uses Basicity of amines

UNIT 26: Synthetic and Natural Polymers

Classification of Polymers, natural and synthetic polymers (with stress on their general methods of preparation) and important uses of the following :
Teflon, PVC, Polystyrene, Nylon-66, terylene, Bakelite

UNIT 27: Bio Molecules and Biological Processes

The Cell and Energy Cycle

Carbohydrates : Monosaccharides, Disaccharides, Polysaccharides
Amino acids and Peptides Structure and classification.

Proteins and Enzymes Structure of Proteins, Role of enzymes.

Nucleic Acids DNA and RNA

Biological functions of Nucleic acids Protein synthesis and replication
Lipids Structure, membranes and their functions.

UNIT 28: Chemistry in Action

Dyes, Chemicals in medicines (antipyretic, analgesic, antibiotics & tranquilisers), Rocket propellants.
(Structural formulae non-evaluative)

UNIT 29: Environmental Chemistry

Environmental pollutants; soil, water and air pollution; major atmospheric pollutants; acid rain, Ozone and its reactions causing ozone layer depletion, effects of the depletion of ozone layer, industrial air pollution.