**WBJEE Syllabus 2018 – Scoring and exam pattern** – The West Bengal Joint Entrance Examination is a common state test for students seeking admission into /engineering and Technology related courses in colleges all over the state of West Bengal.This test is an offline test in OMR Mode in the subjects given below with the exam date and time.

WBJEE Syllabus 2018 – Scoring and exam pattern

It is the Common Entrance Examination in offline mode (OMR based examination).

**Subjects of Examination:**

Candidates are required to appear for two papers in WBJEEB-2018

1. Paper-I – Mathematics

2. Paper-II – Physics & Chemistry (combined).

Candidates appearing in both Paper-I and Paper-II and who are awarded ranks will be eligible for admission in Engineering/ Technology/Architecture/ Pharmacy Courses in all institutes

Candidates appearing in Paper-II only and who are awarded ranks will be eligible for admission only in Pharmacy Courses (except in Jadavpur University)

### Syllabus for WBJEE 2018

## MATHEMATICS SYLLABUS

Algebra

A.P., G.P., H.P.: Definitions of A. P. and G.P.; General term; Summation of first n-terms of series ?n, ?n²,?n3

;

Arithmetic/Geometric series, A.M., G.M. and their relation; Infinite G.P. series and its sum.

Logarithms: Definition; General properties; Change of base.

Complex Numbers: Definition in terms of ordered pair of real numbers and properties of complex numbers;

Complex conjugate; Triangle inequality; amplitude of complex numbers and its properties; Square root of

complex numbers; Cube roots of unity; De Moivre’s theorem (statement only) and its elementary applications.

Solution of quadratic equation in complex number system.

Polynomial equation: nth degree equation has exactly n roots (statement only); Quadratic Equations:

Quadratic equations with real coefficients; Relations between roots and coefficients; Nature of roots;

Formation of a quadratic equation, sign and magnitude of the quadratic expression ax2

+bx+c (where a, b, c are

rational numbers and a ? 0).

Permutation and combination: Permutation of n different things taken r at a time (r ? n). Permutation of n

things not all different. Permutation with repetitions (circular permutation excluded). Combinations of n

different things taken r at a time (r ? n). Combination of n things not all different. Basic properties. Problems

involving both permutations and combinations.

Principle of mathematical induction: Statement of the principle, proof by induction for the sum of squares,

sum of cubes of first n natural numbers, divisibility properties like 22n — 1 is divisible by 3 (n ? 1), 7divides

3

2n+1+2n+2 (n ? 1)

Binomial theorem (positive integral index): Statement of the theorem, general term, middle term, equidistant

terms, properties of binomial coefficients.

Matrices: Concepts of m x n (m ? 3, n ? 3) real matrices, operations of addition, scalar multiplication and

multiplication of matrices. Transpose of a matrix. Determinant of a square matrix. Properties of determinants

(statement only). Minor, cofactor and adjoint of a matrix. Nonsingular matrix. Inverse of a matrix. Finding area

of a triangle. Solutions of system of linear equations. (Not more than 3 variables).

Sets, Relations and Mappings: Idea of sets, subsets, power set, complement, union, intersection and difference

of sets, Venn diagram, De Morgan’s Laws, Inclusion / Exclusion formula for two or three finite sets, Cartesian

product of sets.

Relation and its properties. Equivalence relation — definition and elementary examples, mappings, range and

domain, injective, surjective and bijective mappings, composition of mappings, inverse of a mapping.

Statistics and Probability:

Measure of dispersion, mean, variance and standard deviation, frequency distribution. Addition and

multiplication rules of probability, conditional probability and Bayes’ Theorem, independence of events,

repeated independent trails and Binomial distribution.

Trigonometry

Trigonometric functions, addition and subtraction formulae, formulae involving multiple and submultiple

angles, general solution of trigonometric equations. Properties of triangles, inverse trigonometric functions

and their properties.

Coordinate geometry of two dimensions

Distance formula, section formula, area of a triangle, condition of collinearity of three points in a plane. Polar

co-ordinates, transformation from Cartesian to polar coordinates and vice versa. Parallel transformation of

axes.

WBJEE-2018 Information Bulletin Page: 58/74

Concept of locus, locus problems involving all geometrical configurations,

Slope of a line. Equation of lines in different forms, angle between two lines. Condition of perpendicularity and

parallelism of two lines. Distance of a point from a line. Distance between two parallel lines. Lines through the

point of intersection of two lines. Angle bisector

Equation of a circle with a given center and radius. Condition that a general equation of second degree in x, y

may represent a circle. Equation of a circle in terms of endpoints of a diameter . Equation of tangent, normal

and chord. Parametric equation of a circle. Intersection of a line with a circle. Equation of common chord of

two intersecting circles.

Definition of conic section, Directrix, Focus and Eccentricity, classification based on eccentricity. Equation of

Parabola, Ellipse and Hyperbola in standard form, their foci, directrices, eccentricities and parametric

equations.

Co-ordinate geometry of three dimensions

Direction cosines and direction ratios, distance between two points and section formula, equation of a straight

line, equation of a plane, distance of a point from a plane.

Calculus

Differential calculus: Functions, domain and range set of functions, composition of two functions and inverse

of a function, limit, continuity, derivative, chain rule and derivative of functions in various forms. Concept of

differential.

Rolle’s Theorem and Lagrange’s Mean Value theorem (statement only). Their geometric interpretation and

elementary application. L’Hospital’s rule (statement only) and applications. Second order derivative

Integral calculus: Integration as a reverse process of differentiation, indefinite integral of standard functions.

Integration by parts. Integration by substitution and partial fraction.

Definite integral as a limit of a sum with equal subdivisions. Fundamental theorem of integral calculus and its

applications. Properties of definite integrals.

Differential Equations: Formation of ordinary differential equations, solution of homogeneous differential

equations, separation of variables method, linear first order differential equations.

Application of Calculus: Tangents and normals, conditions of tangency. Determination of monotonicity,

maxima and minima. Differential coefficient as a measure of rate. Motion in a straight line with constant

acceleration. Geometric interpretation of definite integral as area, calculation of area bounded by elementary

curves and Straight lines. Area of the region included between two elementary curves.

Vectors: Addition of vectors, scalar multiplication, dot and cross products, scalar triple product.

## PHYSICS SYLLABUS

Physical World, Measurements, Units & dimensions: Physical World, Measurements, Units & dimensions

Units & Dimensions of physical quantities, dimensional analysis & its applications, error in measurements,

significant figures.

Kinematics: Scalars & vectors, representation of vectors in 3D, dot & cross product & their applications,

elementary differential & integral calculus, time-velocity & relevant graphs, equations of motion with uniform

acceleration.

Laws of motion: Newton’s laws of motion, using algebra & calculus, inertial & non inertial frames, conservation

of linear momentum with applications, elastic & inelastic collisions, impulse centripetal force, banking of

roads, relative velocity, projectile motion & uniform circular motion Work, power, energy: Work, power,

energy Work, work-energy theorem, power, energy, work done by constant & variable forces, PE & KE,

conservation of mechanical energy, conservative and nonconservative forces, PE of a spring,

Motion of centre of mass, connected systems, Friction: Centre of mass of two-particle system, motion of

connected system, torque, equilibrium of rigid bodies, moments of inertia of simple geometric bodies (2D)

[without derivation] conservation of angular momentum, friction and laws of friction.

Gravitation: Kepler’s laws, (only statement) universal law of gravitation, acceleration due to gravity (g),

variation of g, gravitational potential & PE, escape velocity, orbital velocity of satellites, geostationary orbits.

Bulk properties of matter: Elasticity, Hooke’s law, Young’s modulus, bulk modulus, shear, rigidity modulus,

Poisson’s ratio elastic potential energy. Fluid pressure: Pressure due to a fluid column, buoyancy, Pascal’s law,

effect of gravity on fluid pressure. Surface tension: Surface energy, phenomena involving surface tension,

angle of contact, capillary rise,

Viscosity: Coefficient of viscosity, streamline & turbulent motion, Reynold’s number, Stoke’s law, terminal

velocity, Bernoulli’s theorem. Heat & Thermal Physics: Heat & temperature, thermal expansion of solids.

liquids & gases, ideal gas laws, isothermal & adiabatic processes; anomalous expansion of water & its effects,

sp. heat capacity, Cp, Cv, calorimetry; change of state, specific latent heat capacity. Heat transfer; conduction,

thermal and thermometric conductivity, convection & radiation, Newton’s law of cooling, Stefan’s law.

Thermodynamics: Thermal equilibrium (Zeroth law of thermodynamics), heat, work & internal energy. 1st law

of thermodynamics, isothermal & adiabatic processes, 2nd law of thermodynamics, reversible & irreversible

processes.

Kinetic theory of gases: Equation of state of a perfect gas, kinetic theory of gases, assumptions in Kinetic

theory of gases, concept of pressure. & temperature; rms speed of gas molecules; degrees of freedom, law of

equipartition of energy (introductory ideas) & application to specific heats of gases; mean free path, Avogadro

number.

Oscillations & Waves: Periodic motion – time period, frequency, time-displacement eqation, Simple harmonic

motion (S.H.M) & its equation; phase; SHM in different sytems, restoring force & force const, energy in S.H.M.-

KE & PE, free, forced & damped oscillations (introductory ideas), resonance wave motion, equation for

progressive wave, longitudinal & transverse waves, sound waves, Newton’s formula & Laplace’s correction,

factors affecting the velocity of sound in air, principles of superposition of waves, reflection of waves, standing

waves in strings & organ pipes, fundamental mode, harmonics &overtones, beats, Doppler effect.

Electrostatics: Conservation of electric charges, Coulomb’s law-force between two point charges, forces

between multiple charges; superposition principle & continuous charge distribution. Electric field, & potential

due to a point charge & distribution of charges, electric field lines electric field due to a dipole; torque on a

dipole in uniform electric field; electric flux, Gauss’ theorem & its simple applications, conductors & insulators,

free charges & bound charges inside a conductor; dielectrics & electric polarisation, capacitors & capacitance,

combination of capacitors in series & in parallel, capacitance of a parallel plate capacitor with & without

dielectric medium between the plates, energy stored in a capacitor.

Current Electricity:

Electric current, & conductor, drift velocity’ mobility & their relation with electric current; Ohm’s law, electrical

resistance, Ohmic and non-Ohmic conductors, electrical energy & power, carbon resistors, colour codes,

combination of resistances, temperature dependence of resistances, electric cell, emf and internal resistance

of an electric cell, pd, combination of cells, secondary cells, (introductory) Kirchoff’s laws of electrical network,

simple applications, principle of Wheatstone bridge, metre bridge and potentiometer and their uses,

thermoelectricity; Seebeck effect; Peltier effect, thermo emf.

Magnetic effect of current: Concept of magnetic field, Oersted’s experiment, Biot – Savart law & its application

to current carrying circular loop; Ampere’s law & its applications to infinitely long straight wire, straight and

toroidal solenoids; force on a moving charge in uniform magnetic & electric fields, cyclotron frequency; force

on a current-carrying conductor in a uniform magnetic field, force between two parallel current-carrying

conductors– definition of ampere. Torque experienced by a current loop in a uniform magnetic field; moving

coil galvanometer-its current sensitivity & conversion to ammeter & voltmeter, Inter-conversion of voltmeter

& ammeter & change of their ranges.

Magnetics: Current loop as a magnetic dipole & its magnetic dipole moment, magnetic dipole moment of a

revolving electron, magnetic field intensity due to a magnetic dipole bar magnet along its axis & perpendicular

to its axis, torque on a magnetic dipole (bar magnet) in a uniform magnetic field; magnet as an equivalent

solenoid, magnetic field lines; Earth’s magnetic field & its magnetic elements. para-, dia- & ferro- magnetic

substances, with examples. Electromagnets & the factors affecting their strengths, permanent magnets.

WBJEE-2018 Information Bulletin Page: 60/74

Electromagnetic induction & alternating current: Electromagnetic induction; Faraday’s laws, induced emf &

current; Lenz’s Law, eddy currents, self & mutual induction, alternating currents, peak and rms value of

alternating current and voltage; reactance and impedance; LR & CR circuits, phase lag & lead, LCR series

circuit, resonance; power in AC circuits, wattless current.

Electromagnetic waves: Electromagnetic waves and their characteristics (qualitative ideas only), transverse

nature of electromagnetic waves, electromagnetic spectrum, applications of the waves from the different

parts of the spectrum.

Optics I (Ray optics): Reflection of light, spherical mirrors, mirror formula. Refraction of light, total internal

reflection & its applications, optical fibres, refraction at spherical surfaces, lenses, thin lens formula,

lensmaker’s formula. Newton’s relation: Displacement method to find position of images (conjugate points)

Magnification, power of a lens, combination of thin lenses in contact, combination of a lens & a mirror

refraction and dispersion of light through a prism; optical instruments, human eye, image formation &

accommodation, correction of eye defects (myopia, hypermetropia) using lenses, microscopes & astronomical

telescopes (reflecting & refracting) & their magnifying powers.

Optics II (Wave Optics): Scattering of light – blue colour of the sky, elementary idea of Raman effect; wave

optics: wave front & Huygens’ principle, reflection & refraction of plane wave at a plane surface using wave

fronts. Proof of laws of reflection & refraction using Huygens’ principle Interference, Young’s double slit

experiment & expression for fringe width, coherent sources, Fraunhoffer diffraction due to a single slit,

Particle nature of light & wave particle dualism: Photoelectric effect, Hertz and Lenard’s observations;

Einstein’s photoelectric equation – particle nature of light, matter waves; wave nature of particles, de Broglie

relation.

Atomic Physics: Alpha-particle scattering expt Rutherford’s nuclear atom model of atom; Bohr model of

hydrogen atom, energy levels in a hydrogen atom, hydrogen spectrum, continuous & characteristic xrays.

Nuclear Physics: Composition & size of nucleus, atomic masses, isotopes, isobars; isotones, radioactivity –

alpha, beta & gamma particles/ rays & their properties; radioactive decay law; massenergy relation, mass

defect; binding energy per nucleon & its variation with mass number; nuclear fission & fusion.

Solid state Electronics: Energy bands in solids (qualitative ideas only), conductors, insulators & semiconductors;

semiconductor diode – I-V characteristics in forward & reverse bias, diode as a rectifier;

I-V characteristics of LED, photodiode, solar cell & Zener diode; Zener diode as a voltage regulator, junction

transistor (BJT), transistor action, characteristics of a BJT, BJT as an amplifier (CE configuration) & oscillator;

logic gates (OR, AND, NOT, NAND & NOR).

## CHEMISTRY SYLLABUS

Atoms, Molecules and Chemical Arithmetic:

Dalton’s atomic theory; Gay Lussac’s law of gaseous volume; Avogadro’s Hypothesis and its applications.

Atomic mass; Molecular mass; Equivalent weight; Valency; Gram atomic weight; Gram molecular weight; Gram

equivalent weight and mole concept; Chemical formulae; Balanced chemical equations; Calculations (based on

mole concept) involving common oxidation – reduction, neutralization, and displacement reactions;

Concentration in terms of mole fraction, molarity, molality and normality. Percentage composition, empirical

formula and molecular formula; Numerical problems.

Atomic Structure:

Concept of Nuclear Atom – electron, proton and neutron (charge and mass), atomic number. utherford’s

model and its limitations; Extra nuclear structure; Line spectra of hydrogen atom. Quantization of energy

(Planck’s equation E = h?); Bohr’s model of hydrogen atom and its limitations, Sommerfeld’s modifications

(elementary idea); The four quantum numbers, ground state electronic configurations of many electron atoms

and mono – atomic ions; The Aufbau Principle; Pauli’s Exclusion Principle and Hund’s Rule. Dual nature of

matter and light, de Broglie’s relationship, Uncertainty principle; The concept of atomic orbitals, shapes of s, p

and d orbitals (pictorial approach).

Radioactivity and Nuclear Chemistry:

Radioactivity ?-, ?-, ? rays and their properties; Artificial transmutation; Rate of radioactive decay, decay

constant, half-life and average age life period of radio-elements; Units of radioactivity; Numerical problems.

Stability of the atomic nucleus – effect of neutron-proton (n/p) ratio on the modes of decay, group

displacement law, radioisotopes and their uses (C, P, Co and I as examples) isobars and isotones (definition and

examples), elementary idea of nuclear fission and fusion reactions.

The Periodic Table and Chemical Families:

Modern periodic law (based on atomic number); Modern periodic table based on electronic configurations,

groups (Gr. 1-18) and periods. Types of elements – representative (s-block and p- block), transition (d-block)

elements and inner transition (f-block/lanthanides and actinides) and their general characteristics. Periodic

trends in physical and chemical properties – atomic radii, valency, ionization energy, electron affinity,

electronegativity, metallic character, acidic and basic characters of oxides and hydrides of the representative

elements (up to Z = 36). Position of hydrogen and the noble gases in the periodic table; Diagonal relationships.

Chemical Bonding and Molecular Structure:

Valence electrons, the Octet rule, electrovalent, covalent and coordinate covalent bonds with examples;

Properties of electrovalent and covalent compounds. Limitations of Octet rule (examples); Fajans Rule.

Directionality of covalent bonds, shapes of poly – atomic molecules (examples); Concept of hybridization of

atomic orbitals (qualitative pictorial approach): sp, sp2 , sp3 and dsp2 . Molecular orbital energy diagrams for

homonuclear diatomic species – bond order and magnetic properties. Valence Shell Electron Pair Repulsion

(VSEPR) concept (elementary idea) – shapes of molecules. Concept of resonance (elementary idea), resonance

structures (examples). Elementary idea about electronegativity, bond polarity and dipole moment, inter- and

intra-molecular hydrogen bonding and its effects on physical properties (mp, bp and solubility); Hydrogen

bridge bonds in diborane.

Coordination Compounds:

Introduction, Double salts and complex salts, coordination compounds (examples only), Werner’s theory,

coordination number (examples of coordination number 4 and 6 only), colour, magnetic properties and

shapes, IUPAC nomenclature of mononuclear coordination compounds.

Solid State:

Classification of solids based on different binding forces: molecular, ionic, covalent and metallic solids,

amorphous and crystalline solids (elementary idea). Unit cell in two dimensional and three dimensional

lattices, calculation of density of unit cell, packing in solids, packing efficiency, voids, number of atoms per unit

cell in a cubic unit cell, point defects, electrical and magnetic properties. Band theory of metals, conductors,

semiconductors and insulators and n & p type semiconductors.

Liquid State:

Vapour pressure, viscosity and surface tension (qualitative idea only, no mathematical derivations).

Gaseous State:

Measurable properties of gases. Boyle’s Law and Charles Law, absolute scale of temperature, kinetic theory of

gases, ideal gas equation – average, root mean square and most probable velocities and their relationship with

temperature. Daltons Law of partial pressure, Grahams Law of gaseous diffusion. Deviations from ideal

behavior. Liquefaction of gases, real gases, van der Waals equation; Numerical problems.

Chemical Energetics and Chemical Dynamics:

Chemical Energetics – Conservation of energy principle, energy changes in physical and chemical

transformations. First law of thermodynamics; Internal energy, work and heat, pressure – volume work;

Enthalpy. Internal energy change (?E) and Enthalpy change (?H) in a chemical reaction. Hesss Law and its

applications (Numerical problems). Heat of reaction, fusion and apourization; Second law of thermodynamics;

Entropy; Free energy; Criterion of spontaneity. Third law of thermodynamics (brief introduction).

Chemical Equilibria – The Law of mass action, dynamic nature of chemical equilibria. Equilibrium constants, Le

Chateliers Principle. Equilibrium constants of gaseous reactions (Kp and Kc) and relation between them

(examples). Significance of ?G and ?Gº.

WBJEE-2018 Information Bulletin Page: 62/74

Chemical Dynamics – Factors affecting the rate of chemical reactions (concentration, pressure, temperature,

catalyst), Concept of collision theory. Arrhenius equation and concept of activation energy.

Order and molecularity (determination excluded); First order reactions, rate constant, half – life (numerical

problems), examples of first order and second order reactions.

Physical Chemistry of Solutions:

Colloidal Solutions – Differences from true solutions; Hydrophobic and hydrophilic colloids (examples and

uses); Coagulation and peptization of colloids; Dialysis and its applications; Brownian motion; Tyndall effect

and its applications; Elementary idea of emulsion, surfactant and micelle.

Electrolytic Solutions – Specific conductance, equivalent conductance, ionic conductance, Kohlrausch’s law,

Faraday’s laws of electrolysis, applications. Numerical problems.

Non-electrolytic Solutions – Types of solution, vapour pressure of solutions. Raoult’s Law; Colligative

properties – lowering of vapour pressure, elevation of boiling point, depression of freezing point, osmotic

pressure and their relationships with molecular mass (without derivations); Numerical problems.

pressure and their relationships with molecular mass (without derivations); Numerical problems.

Ionic and Redox Equilibria:

Ionic equilibria – ionization of weak electrolytes, Ostwald’s dilution law. Ionization constants of weak acids and

bases, ionic product of water, the pH – scale, pH of aqueous solutions of acids and bases; Buffer solutions,

buffer action and Henderson equation.

Acid-base titrations, acid – base indicators (structures not required). Hydrolysis of salts (elementary idea),

solubility product, common ion effect (no numerical problems).

Redox Equilibria: Oxidation – Reduction reactions as electron transfer processes, oxidation numbers, balancing

of redox reactions by oxidation number and ion-electron methods. Standard electrode potentials (E°),

Electrochemical series, feasibility of a redox reaction. Significance of Gibb’s equation: ?G° = – nF?E° (without

derivation), no numerical problems. Redox titrations with (examples); Nernst equations (Numerical problems).

Hydrogen:

Position of hydrogen in periodic table, occurrence, isotopes, preparation, properties and uses of hydrogen,

hydrides-ionic covalent and interstitial; physical and chemical properties of water, heavy water, hydrogen

peroxide – preparation, reactions and structure and use; hydrogen as a fuel.

Chemistry of Non-Metallic Elements and their Compounds:

Carbon – occurrence, isotopes, allotropes (graphite, diamond, fullerene); CO and CO2

production, properties

and uses. Nitrogen and Phosphorus – occurrence, isotopes, allotopes, isolation from natural sources and

purification, reactivity of the free elements. Preparation, properties, reactions of NH3

, PH3

, NO, NO2

, HNO2

,

HNO3, P4O10, H3PO3 and H3PO4.

Oxygen and Sulphur – Occurrence, isotopes, allotropic forms, isolation from natural sources and purification,

properties and reactions of the free elements. Water, unusual properties of water, heavy water (production

and uses). Hydrogen peroxide and ozone (production, purification, properties and uses).

Halogens – comparative study, occurrence, physical states and chemical reactivities of the free elements,

peculiarities of fluorine and iodine; Hydracids of halogens (preparation, properties, reactions and uses), interhalogen

compounds (examples); Oxyacids of chlorine.

Chemistry of Metals:

General principles of metallurgy – occurrence, concentration of ores, production and purification of metals,

mineral wealth of India. Typical metals (Na, Ca, Al, Fe, Cu and Zn) – occurrence, extraction, purification (where

applicable), properties and reactions with air, water, acids and non-metals. Manufacture of steels and alloy

steel (Bessemer, Open-Hearth and L.D. process).

Principles of chemistry involved in electroplating, anodizing and galvanizing. Preparation and properties of

K2Cr2O7 and KMnO4.

Lanthanoids – Electronic configuration, oxidation states, chemical reactivity and lanthanoid contraction and its

consequences.

Actinoids – Electronic configuration, oxidation states and comparison with lanthanoids.

Chemistry in Industry:

Large scale production (including physicochemical principles where applicable, omitting technical details) and

uses of Sulphuric acid (contact process), Ammonia (Haber’s process), Nitric acid (Ostwald’s process), sodium bicarbonate

and sodium carbonate (Solvey process).

Polymers:

Natural and synthetic polymers, methods of polymerization (addition and condensation), copolymerization,

some important polymers – natural and synthetic like polythene, nylonpolyesters, bakelite, rubber.

Biodegradable and non-biodegradable polymers.

Surface Chemistry:

Adsorption – physisorption and chemisorption, factors affecting adsorption of gases on solids, catalysis,

homogenous and heterogenous activity and selectivity; enzyme catalysis colloidal state distinction between

true solutions, colloids and suspension; lyophilic , lyophobic multimolecular and macromolecular colloids;

properties of colloids; Tyndall effect, Brownian movement, electrophoresis, coagulation, emulsion – types of

emulsions.

Environmental Chemistry:

Common modes of pollution of air, water and soil. Ozone layer, ozone hole – important chemical reactions in

the atmosphere, Smog; major atmospheric pollutants; Green House effect; Global warming pollution due to

industrial wastes, green chemistry as an alternative tool for reducing pollution, strategies for control of

environment pollution.

Chemistry of Carbon Compounds:

Hybridization of carbon: ? – and ? – bonds. Isomerism – constitutional and stereoisomerism; Geometrical and

optical isomerism of compounds containing upto two asymmetric carbon atoms. IUPAC nomenclature of

simple organic compounds – hydrocarbons, mono and bifunctional molecules only (alicyclic and heterocyclic

compounds excluded).

Conformations of ethane and n-butane (Newman projection only). Electronic Effects: Inductive, resonance and

hyperconjugation. Stability of carbocation, carbanion and free radicals; Rearrangement of carbocation;

Electrophiles and nucleophiles, tautomerism in ?-dicarbonyl compounds, acidity and basicity of simple organic

compounds.

Compounds:

Alkanes – Preparation from alkyl halides and carboxylic acids; Reactions — halogenation and combustion.

Alkenes and Alkynes – Preparation from alcohols; Formation of Grignard reagents and their synthetic

applications for the preparation of alkanes, alcohols, aldehydes, ketones and acids; SNl and SN2 reactions

(preliminary concept). Markownikoff’s and anti-Markownikoff’s additions; Hydroboration;

Oxymercuration-demercuration, reduction of alkenes and alkynes (H2/Lindler catalyst and Na in liquid NH3),

metal acetylides

Haloalkanes and Haloarenes:

Haloalkanes – Preparation from alcohols; Nomenclature, nature of C -X bond, physical and chemical

properties, mechanism of substitution reactions, optical rotation. Formation of Grignard reagents and their

synthetic applications for the preparation of alkanes, alcohols, aldehydes, ketones and acids; SN1 and SN2

reactions ( preliminary concept ). Uses and environmental effects of – dichloromethane, trichloromethane,

tetrachloromethane, iodoform, freons, DDT.

Alcohols:

Preparation of alcohols from carbonyl compounds and esters. Reaction – dehydration, oxidation, esterification,

reaction with sodium, ZnCl2/HCl, phosphorous halides.

Ethers – Preparation by Williamson’s synthesis; Cleavage with HCl and HI. Aldehydes and Ketones –

Preparation from esters, acid chlorides, gem-dihalides, Ca-salt of carboxylic acids. Reaction – Nucleophilic

WBJEE-2018 Information Bulletin Page: 64/74

addition with HCN, hydrazine, hydroxyl amines, semi carbazides, alcohols; Aldol condensation, Clemmensen

and Wolff – Kishner reduction, haloform, Cannizzaro and Wittig reactions.

Carboxylic Acids – Hydrolysis of esters (mechanism excluded) and cyanides; Hunsdicker and HVZ reactions.

Aliphatic Amines – Preparation from nitro, cyano and amido compounds. Distinction of 1º, 2º and 3º amines

(Hinsberg method); Reaction with HNO2; Carbyl amine reaction.

Aromatic Compounds:

Benzene – Kekule structure, aromaticity and Hückel rule. Electrophilic substitution – halogenation, sulfonation,

nitration, Friedel Crafts reaction, ozonolysis. Directive influence of substituents in monosubstituted benzenes.

Carcinogenicity and toxicity.

Amines – Preparation from reduction of nitro compounds; Formation of diazonium salts and their stability;

Replacement of diazonium group with H, OH, X (halogen), CN and NO2, diazocoupling and reduction.

Haloarenes – Nature of C -X bond, substitution reactions; Nucleophilic substitution, cine substitution

(excluding mechanism, Directive influence of halogen in monosubstituted compounds only).

Phenols – halogenation, sulfonation, nitration, Reimer – Tiemann and Kolbe reactions. Aromatic Aldehydes –

Preparation by Gattermann, Gattermann-Koch, Rosenmund and Stephen’s method. Reactions – Perkin,

Benzoin and Cannizzaro.

Application Oriented chemistry:

Main ingredients, their chemical natures (structures excluded) and their side effects, if any, of common

antiseptics, analgesics, antacids, vitamin-C.

Introduction to Bio-Molecules:

Carbohydrates – Pentoses and hexoses. Distinctive chemical reactions of glucose. Aminoacids – glycine,

alanine, aspartic acid, cysteine (structures). Zwitterion structures of amino acids, peptide bond.

ADP and ATP – structures and role in bioenergetics; Nucleic acids – DNA and RNA skeleton structures. Names

of essential elements in biological system.

Principles of Qualitative Analysis:

Detection of water soluble non-interfering Acid and Basic Radicals by dry and wet tests from among:

Acid Radicals: Cl

, S2

–

, SO4

2- , NO3

–

, CO3

2- . Basic Radicals: Cu2+, Al3+, Fe3+, Fe2+, Zn2+, Ca2+, Mg2+, Na+

, NH4

+

.

Detection of special elements (N, Cl, Br, I and S) in organic compounds by chemical tests. Identification of

functional groups in: phenols, aromatic amines, aldehydes, ketones and carboxylic acids.

## No comments yet.