JEE MAIN 2021: CHEMISTRY MOST IMPORTANT TOPICS

JEE/CBSE 2021: 3-D Geometry L-1 INTRODUCTION

JEE/CBSE 2021: 3-D Geometry L-1 INTRODUCTION

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Chapter Name Jan (6 shifts) Jan (6 shifts) TOTAL(Out of 16 shifts)

Coordination Compounds 11 18 29

Period Table 7 18 25

Chemical Bonding 11 11 22

Mole concept 7 15 22

Haloalkanes & Haloarenes 6 15 21

Aldehydes Ketones & Carboxylic acids 6 13 19

Equilibrium 6 12 18

Chemical Kinetics 6 12 18

General Organic Chemistry 11 7 18

Biomolecules 8 9 17

CHEMISTRY JEE MAIN 2020 Analysis

Chapter Name Jan (6 shifts) Jan (6 shifts) TOTAL(Out of 16 shifts)

Thermodynamics 6 11 17

Electrochemistry 5 11 16

States of Matter & S-Block 8 7 15

Solutions 7 7 14

Solutions 7 7 14

Hydrocarbons 10 3 13

Alcohol, Phenol ethers 3 10 13

Amine 3 9 12

Metallurgy 4 8 12

Structure of Atom 5 6 11

CHEMISTRY JEE MAIN 2020 Analysis

CHEMISTRY JEE MAIN 2020 Analysis

Chapter Name Jan (6 shifts) Jan (6 shifts) TOTAL(Out of 16 shifts)

Chemistry in Everyday Life 6 4 10

Qualitative analysis, basic concepts 7 7

Environmental Chemicals 2 5 7

IUPAC Nomenclature 6 6

Polymers 2 3 5

Redox Reactions 2 3 5

D & F Block 3 0 3

1)Coordination Compounds 2) Mole Concept 3) Atomic Structure 4) Electrochemistry 5) P- Block Elements 6) Environmental Chemistry 7) Haloalkane and haloarenes 8) Biomolecules 9) Aldehydes/ Ketones/Acids 10) Metallurgy 11) Periodic properties 12) Surface Chemistry 13) Solutions 14) Chemistry in everyday life 15) GOC

EASY KILL TOPICS

ORGANIC

INORGANIC

PHYSICAL

MOST IMPORTANT TOPICS

CHAPTER ORGANIC MOST IMPORTANT CONCEPTS( repeated)

General organic Chemistry

● IUPAC nomenclature● Geometrical and stereoisomerism● Order of strength of acids and base● Addition via Markovnikov’s and anti Markovnikov’s rule● Elimination reactions E1 and E2

● SN1 and SN2 reactions

Aldehydes, Ketones and Carboxylic acids

● Base catalysed reactions● Questions based on characteristic tests● Reaction with tollen’s reagent● Cannizzaro Reaction● Clemmensen reduction and wolff-kishner reaction

Alcohol, Phenol and Ether

● Methods of preparation of alcohol● Oxidation of alcohol and phenol● Chemical reactions

CHAPTER ORGANIC MOST IMPORTANT CONCEPTS( repeated)

Amines ● Characteristic identification of amines● Gabriel phthalimide and carbylamine reaction● Diazonium salts

Biomolecules Scoring topics glucose and fructose● DNA and RNA● Reactions of glucose and fructose● Structure of proteins

Polymers Scoring topics ● Monomers and uses of some polymers like bakelite,

polythene, polyester, nylon

CHAPTER INORGANIC MOST IMPORTANT CONCEPTS( repeated)

Some basic concepts ● Stoichiometric calculations● Molarity and concentration● Mole concept

Atomic Structure ● Determination of wavelength and energy of electron in Bohr’s orbit

● Calculation of radii of orbits● Quantum numbers and related calculations● Electromagnetic radiation ● Magnetic properties

States of Matter/Solid state

● Type of unit cells and Bravais Lattice● Calculations involving radius and density● The ideal gas equation● Properties of liquids

CHAPTER INORGANIC MOST IMPORTANT CONCEPTS( repeated)

Periodic Table and periodicity

● General trends in the periodic table● Periodicity in properties● Electron gain enthalpy● Ionization enthalpy● Anomalous behaviour

Chemical Bonding ● VSEPR theory and related question● Calculation of bond order, bond length and bond energy for

molecules and ions● Lattice enthalpy

Coordination Compounds

● Nomenclature● Isomerism● Structure of complex compounds

CHAPTER INORGANIC MOST IMPORTANT CONCEPTS( repeated)

Metallurgy ● Methods of extraction of elements● Ores and minerals ● Refining methods

S and P block of elements

● Trends in their chemical properties● Reactions of elements● Structures of fluorides, oxides of xenon and interhalogen

compounds● Phosphorus pentachloride, phosphorus trichloride, diborane,

SiCl4, BF3, silicates

d and f block ● Variation in properties in periodic table ● Lanthanide and actinide contraction● Magnetism, bonding, colour of compounds, formation of

complexes● Potassium permanganate and potassium dichromate

CHAPTER PHYSICAL MOST IMPORTANT CONCEPTS( repeated)

Thermodynamics ● Calculation of gibbs free energy change● Phase transitions● Enthalpy change● Spontaneity

Chemical Equilibrium/ Ionic Equilibrium

● Equilibrium constants● Law of chemical equilibrium● Le Chatelier’s principle and henry’s law● Acid, base and salts, common ion effect● Buffer solution, pH scale

Redox reaction/ Electrochemistry

● Nernst equation● Conductance of electrolytic solutions and conductivities● Cell reactions● Kohlrausch’s Law

CHAPTER PHYSICAL MOST IMPORTANT CONCEPTS( repeated)

Solutions and colligative properties

● Henry’s Law and Raoult’s Law● Deviation from Raoult’s law and azeotropes● Calculation of molecular mass using colligative properties● Osmotic pressure

Chemical Kinetics ● Arrhenius theory● Rate law and rate constant● Half lives● Effect of temperature on rate law equations

Surface Chemistry ● Freundlich and langmuir adsorption isotherm● Emulsions