Purbanchal University Marks distribution for B.E. Entrance Examinations Subject: Chemistry Group Topic A 1 2 3 4 5 6 7 8 9 10 B 1 2 3 4 5 6 7 8 9 10 C 1 2 3 D 1 Group/Topics Physical Chemistry Language of Chemistry Chemical Arithmetic Volumetric Analysis Equilibria Atomic structure Periodic Table Electronic theory of valency and bonding(Chemical Bonding) Redox Reaction Electrochemistry Chemical Kinetics Inorganic Chemistry Metallurgy Alkali Metals Copper Zinc Mercury Iron Oxygen and Water Sulphur and its Compound Nitrogen and its Compound Halogens Organic Chemistry Introduction to Organic Chemistry Aliphatic Hydrocarbons Aromatic Hydrocarbons Applied Chemistry Polymer Total No. of Questions Marks 11 11 1 1 1 2 1 1 1 1 2 1 7 1 1 1 2 1 1 1 1 2 1 7 1 1 2 2 1 1 1 1 5 3 1 1 2 2 25 1 1 5 3 1 1 2 2 25 Group A: Physical Chemistry Unit 1: Languages of chemistry Element, atom, compound, molecule, symbol, valency, radical, balancing chemical equations by Hit and trial method and Partial equation method Unit 2: Chemical Arithmetic Dalton’s atomic theory and its postulates, Law of conservation of mass, Laws of definite proportions, Law of multiple proportion, Law of reciprocal proportion, Law of gaseous volumes, Determination of atomic weight of element, Determination of molecular weight Unit 3: Volumetric analysis Different concentration terms [molarity, normality, molality, gram per litre, percentage (w/w, w/v, v/v)], Titration ( acid, base and redox), Selection of indicator in acid and base titration Normality equation Primary standard substances, end point, equivalence point, neutral point and indicators and Related numerical Unit 4: Equilibria Chemical equilibrium- Law of mass action, Relation between Kp and Kc, Le-Chatelier’s principle Ionic equilibrium- Ostwald’s dilution law, Degree of ionization, Acid base concept ( Arrhenius, Bronsted-Lowry and Lewis), Ionisation of water, pH and pH scale, Solubility product, principle and application, Common ion effect and application, Buffer solution, Numericals related with solubility product, pH, pOH and buffer Unit 5: Atomic Structure Rutherford model and its limitations, Bohr’s model, its success and limitations and hydrogen spectra, de Broglie’s hypothesis, Heisenberg principle, Terms like mass number, isotopes, isobar, isotones, isoters, Quantum numbers(principal, azimuthal, magnetic and spin), Electronic configuration of elements, Hund’s rule of maximum multiplicity, Pauli’s exclusion principle Unit 6: Periodic Table Modern and classical periodic law, drawbacks and advantages, General features of both modern and classical periodic table, Some periodic properties (atomic size, atomic radius, covalent radius, ionic radius, Ionisation potential,electron affinity. Electronegativity, metallic character Unit 7: Electronic theory of Valency and Bonding (Chemical Bonding) Types of bond- ionic, covalent (polar and non-polar), co-ordinate covalent (dative), metallic bond, hydrogen bond( inter molecular and intra molecular), van der Waal force, resonance,Sigma (σ) and pi(π) bond, Concept of hybridization(sp, sp2, sp3) Unit 8: Redox Reaction Classical and modern concept of oxidation and reduction, Oxidizing agent and reducing agent, Oxidation number, balancing of redox reactions by oxidation number method Unit 9: Electrochemistry Electrolytes(weak and strong) and non-electrolytes, Arrhenius theory of ionization, Electrolytic conduction equivalent and molar conductivities, Variation of conductivity with concentration, Electrode potential, standard electrode potential, standard hydrogen electrode and its application, Electrochemical series and its application to the feasibility of reaction, Electrochemical cell(galvanic cell), emf of electrochemical cell and its related numerical, Faraday’s law of electrolysis and related numerical Unit 10: Chemical Kinetics Rate of reaction(average and instantaneous), Characteristic of rate constant, Order and molecularity of reaction, Half life of first order reaction, Collision theory of reaction(qualitative), Concept of activation energy, activated complex, effect of catalyst in the rate of reaction and related numerical Group B: Inorganic Chemistry Unit 1: Metallurgy General properties of metal, Minerals, ores, alloys and amalgam, Metalloids, Crushing pulverization, Concentration, Calcination, Roasting, Poling, Zone refining, Electro refining, Mond process, Oxidation Unit 2: Alkali Metals General properties, Abstraction of sodium by Downs process, Manufacture of NaOH by Castener Kellner process and Kellner Solvay process, Manufacture of washing soda by Solvay process (ammonia-soda process) Unit 3: Copper Extraction of copper from copper pyrite, Chemistry of blue vitriol Unit 4: Zinc Extraction of zinc from zinc blende, Chemistry of white vitriol, Galvanization Unit 5: Mercury Extraction of mercury from cinnabar, Chemistry of calomel and corrosive sublimate Unit 6: Iron Extraction of iron from haematite, Types of iron (Cast, Wrought, Steel), Manufacture of steel (Basimer’s process, open hearth process), Heat treatment of steel(annealing, tempering, quenching), Corrosion of Iron, Corrosion prevention Unit 7: Oxygen and water Types of oxides (acidic, basic, neutral, amphoteric, peroxide, superoxide, mixed oxide), Hard water, soft water, Removal of hardness, Ozone, Preparation, properties and uses of ozone Unit 8: Sulphur and its compound Allotropes of sulphur, Analytical use of H2S, Sulphuric acid and its uses Unit 9: Nitrogen and its compound Ammonia, Haber’s process, Chemical properties of ammonia and its uses, Nitric acid, Ostwald’s process, Properties and uses of nitric acid, Oxides of nitrogen (NO, NO2, N2O,N2O5, N2O3), Properties and uses of nitrogen oxides Unit 10: Halogens Preparation of halogen; Bromine from carnalite, Iodine from sea weed, Comparative study of preparation and property of HCl, HBr and HI Group C: Organic Chemistry Unit 1: Introduction to Organic Chemistry Vital force theory, Catenation, Hybridization in organic compound, Foreign element detection (nitrogen, sulphur, halogen), Types of organic compounds, Nomenclature of organic compounds (IUPAC), Structural isomerism, Homolytic and heterolytic bond fission, Electrophiles and nucleophiles, Electronic effects; Inductive effect (+I and –I), Electromeric effect, Resonance (mesomeric effect), Hyper conjugation, Types of organic reaction; Substitution reaction (electrophilic, nucleophilic and free radical), Addition reaction (electrophilic, nucleophilic and free radical), Elimination reaction, Rearrangement reaction Unit 2: Aliphatic Hydrocarbon Sources of hydrocarbon, aliphatic and aromatic hydrocarbon, Petroleum cracking and reforming, octane number and gasoline additive Alkane- General Method of preparation, Physical properties, Chemical properties and uses Alkene- General Method of preparation, Physical properties, Markonikov’s and anti Markonikov’s rule, Chemical properties and uses Alkyne- General Method of preparation, Physical properties, Chemical properties and uses Unit 3: Aromatic Hydrocarbons Huckel’s rule, Resonance in benzene, Preparation and properties of benzene, Uses of benzene Group D: Applied Chemistry Unit 1: Polymer Natural and synthetic polymer, Homo polymer, co-polymer, Different types of polymer like PVC, Polyester, Polythene, Nylon 6,6, Teflon, Bakelite and their uses, Dyes (natural and synthetic)
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