Atmospheric pollution – Tropospheric and Stratospheric. To smooth up your preparations & provide you a feasible way to cover up all the topics smartly, we are providing you the JEE Main Chemistry Chapter Wise Weightage below. Stratospheric pollution- Formation and breakdown of ozone, depletion of ozone layer – its mechanism and effects. Chemicals in medicines – Analgesics, tranquilizers, antiseptics, disinfectants, antimicrobials, antifertility drugs, antibiotics, antacids, antihistamins – their meaning and common examples.Chemicals in food – Preservatives, artificial sweetening agents – common examples. General introduction, electronic configuration and general trends in physical and chemical properties of elements, anomalous properties of the first element of each group, diagonal relationships. Covalent Bonding: Concept of electronegativity, Fajan’s rule, dipole moment; Valence Shell Electron Pair Repulsion (VSEPR) theory and shapes of simple molecules. Detection of extra elements (N,S, halogens) in organic compounds; Detection of the following functional groups: hydroxyl (alcoholic and phenolic), carbonyl (aldehyde and ketone), carboxyl and amino groups in organic compounds. Strategies to control environmental pollution. Numerical problems in organic quantitative analysis. Student Need to Check the JEE main 2020 Syllabus with weightage, Exam criteria, Important topic and more, before start their Exam preparation. Liquid State: Properties of liquids – vapour pressure, viscosity and surface tension and effect of temperature on them (qualitative treatment only). Classification of matter into solid, liquid and gaseous states. NUCLEIC ACIDS – Chemical constitution of DNA and RNA. Aromatic hydrocarbons – Nomenclature, benzene – structure and aromaticity; Mechanism of electrophilic substitution: halogenation, nitration, Friedel – Craft’s alkylation and acylation, directive influence of functional group in mono-substituted benzene. Download JEE Main Chemistry Syllabus (Physical, Organic, Inorganic) and give edge to your preparation • Chemical principles involved in the qualitative salt analysis: Cations - Pb2+ Cu2+. Tech.) Chemistry involved in the preparation of the following: Inorganic compounds: Mohr’s salt, potash alum. Enthalpy of neutralization of strong acid and strong base. JEE Main Chemistry Section B Syllabus 2020 – Inorganic Chemistry. Share on Facebook Share on Twitter. Estimation of carbon, hydrogen, nitrogen, halogens, sulphur, phosphorus. Acidic strength and factors affecting it. It is very important for candidates preparing for JEE Chemistry Syllabus to know about the important topics from which questions are most likely to come in the entrance examination. The JEE Main is indeed one of the most competitive examinations in India. Geometrical isomerism; Mechanism of electrophilic addition: addition of hydrogen, halogens, water, hydrogen halides (Markownikoff's and peroxide effect); Ozonolysis and polymerization. Home » Admission Exams » Engineering » JEE Main » JEE Main Syllabus 2020 /21 for Chemistry (Released) – Download PDF. Different methods for expressing concentration of solution – molality, molarity, mole fraction, percentage (by volume and mass both), vapour pressure of solutions and Raoult’s Law – Ideal and non-ideal solutions, vapour pressure – composition, plots for ideal and non-ideal solutions; Colligative properties of dilute solutions – relative lowering of vapour pressure, depression of freezing point, elevation of boiling point and osmotic pressure; Determination of molecular mass using colligative properties; Abnormal value of molar mass, van’t Hoff factor and its significance. Modem periodic law and present form of the periodic table, s, p, d and f block elements, periodic trends in properties of elements atomic and ionic radii, ionization enthalpy, electron gain enthalpy, valence, oxidation states and chemical reactivity. Matter and its nature, Dalton’s atomic theory; Concept of atom, molecule, element and compound; Physical quantities and their measurements in Chemistry, precision and accuracy, significant figures, S.I. From 2019, JEE Main exams will be conducted by NTA (National Testing Agency). Electrochemical cells – Electrolytic and Galvanic cells, different types of electrodes, electrode potentials including standard electrode potential, half – cell and cell reactions, emf of a Galvanic cell and its measurement; Nernst equation and its applications; Relationship between cell potential and Gibbs’ energy change; Dry cell and lead accumulator; Fuel cells. Actinoids – Electronic configuration and oxidation states. Fundamentals of thermodynamics: System and surroundings, extensive and intensive properties, state functions, types of processes. The candidates are advised to check the chemistry syllabus for JEE Main 2020 to get an idea of chapters from where the questions are likely to be expected in the examination. Modes of occurrence of elements in nature, minerals, ores; Steps involved in the extraction of metals – concentration, reduction (chemical and electrolytic methods) and refining with special reference to the extraction of Al, Cu, Zn and Fe; Thermodynamic and electrochemical principles involved in the extraction of metals. CBSE. Units, dimensional analysis; Laws of chemical combination; Atomic and molecular masses, mole concept, molar mass, percentage composition, empirical and molecular formulae; Chemical equations and stoichiometry. Acidic character; Addition of hydrogen, halogens, water and hydrogen halides; Polymerization. The JEE Main will now be held twice a year. PROTEINS - Elementary Idea of c-amino acids, peptide bond, polypeptides: primary, secondary, tertiary and quaternary structure (qualitative idea only), denaturation of proteins, enzymes. Alkanes – Conformations: Sawhorse and Newman projections (of ethane); Mechanism of halogenation of alkanes. JEE Main syllabus for chemistry covers a broad knowledge of concepts along with its applications. Alkenes – Geometrical isomerism; Mechanism of electrophilic addition: addition of hydrogen, halogens, water, hydrogen halides (Markownikoff’s and peroxide effect); Ozonolysis and polymerization. Meaning of equilibrium, concept of dynamic equilibrium. Introduction to co-ordination compounds, Werner’s theory; ligands, co-ordination number, denticity, chelation; IUPAC nomenclature of mononuclear co-ordination compounds, isomerism; Bonding-Valence bond approach and basic ideas of Crystal field theory, colour and magnetic properties; Importance of co-ordination compounds (in qualitative analysis, extraction of metals and in biological systems).

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