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JEE and NEET Chemistry: Last 15 Years’ Important Topics of Chemistry

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In this post, you will find the important topics of chemistry for JEE and NEET on each and every chapter in Chemistry based on previous year questions of last 15 years.

Important Topics of Chemistry Class 11th

Some Basic Concepts of Chemistry

CONCENTRATION BASED PROBLEMS
MOLES, ATOMS AND ELECTRONS
EQUATION BASED PROBLEMS
LIMITING REAGENT
EMPERICAL/MOLECULAR FORMULA

Structure of Atom

AUFBAU PRINCIPLE
QUANTUM NUMBERS
SHELL / SUB SHELL
BOHR’S THEORY
HEISENBERG UNCERTAINTY PRINCIPLE
PLANCK’S THEORY
NODAL PLANE
DE BROGLIE EQUATION
HYDROGEN SPECTRA
NUMBER OF E/P/N

Periodic Classification of Elements

ATOMIC SIZE
IONIZATION ENERGY
NATURE OF COMPOUND
STABILITY OF COMPOUND
ELECTRON AFFINITY
ELECTRONIC CONFIGURATION
MODERN PERIODIC TABLE AND PERIODICITY
ELECTRONEGATIVITY

Chemical Bonding

HYBRIDISATION
M.O.T
POLARITY
V.S.E.P.R. THEORY
TYPES OF BONDING
ACID, BASE AND FAJAN’S RULE
OCTATE AND ISOELECTRONICS
COVALENT BONDING
VANDERWAAL FORCE AND HYDROGEN BONDING
LATTICE / HYDRATION ENERGY

States of Matter

KINETIC THEORY OF GASES
GAS LAW
GRAHAM’S LAW
IDEAL GAS LAW
COMPRESSIBILITY FACTOR
DALTON’S LAW
VANDER WAAL CORRECTION

Thermodynamics

GIBB’S ENERGY CHANGE
THERMOCHEMISTRY
ENTHALPY AND INTERNAL CHANGE
SPONTANEITY AND ENTROPY
SECOND LAW AND WORK DONE
FIRST LAW OF THERODYANAMICS
THERMODYANAMICS PROPERTIES AND PROCESS
EXTENSIVE AND INTENSIVE PROPERTIES
HESS’S LAW

Equilibrium

Kp, Kc – AND FACTORS AFFECTING THEM
ACIDS AND BASES
pH CALCULATION
SOLUBILITY PRODUCT
BUFFER
INTRODUCTION TO EQUILIBRIUM
COMMOM ION EFFECT
K FOR ACID, BASE AND SALT
LE CHATELIER’S PRINCIPLE
SALT HYDROLYSIS

Redox Reactions

OXIDATION AND REDUCING AGENTS ( OXIDATION NO.)
EMF – ELCTROMOTIVE FORCE AND ELECTRODE POTENTIAL
INTRODUCTION TO REDOX
BALANCING OF EQUATION
EQUIVALENT WEIGHT AND NORMALITY

Hydrogen

H2O2 ( HYDROGEN PEROXIDE )
HARD AND SOFT WATER
PREPARATION AND PROPERTIES

S-Block Elements

CHEMICAL PROPERTIES
IMPORTANAT COMPOUNDS OF Ca AND Na
REASONING
BIOLOGICAL IMPORTNACE OF Na, Mg, Ca AND OTHER ELEMENTS
PHYSICAL PROPERTIES

P-Block Elements

CARBON FAMILY – CHEMICAL AND PHYSICAL PROPERTIES
BORON FAMILY – CHEMICAL AND PHYSICAL PROPERTIES
COMPOUNDS OF SILICON, STRUCTURE OF SILICON DIOXIDE
ALLOTROPES OF CARBON, STRUCTURE OF DIAMOND AND GRAPHITE
COMPOUND OF BORON, STRUCTURE AND REACTIONS OF DIBORANE / BORIC ACID

General Organic Chemistry

NOMENCLATURE
NUCLEOPHILE AND ELECTROPHILE
ELECTRON DISPLACEMENT EFFECT
REACTION INTERMEDIATE AND THEIR STABILITY
STEREO ISOMER
ACID AND BASE CHARACTER
HYBRIDIDATION AND STRUCTURE OF CARBON COMPOUNDS
STRUCTURAL ISOMER
CONFORMATIONAL ISOMER
PURIFICATION OF ORGANIC COMPOUNDS
QUALITATIVE ANALYSIS OF ORGANIC COMPOUNDS
QUANITATIVE ANALYSIS OF ORGANIC COMPOUNDS
SN, ADDITION AND ELIMINATION REACTION

Check out: Unique Guide to Organic Conversions (Cheat Sheet included)

Hydrocarbons

ALKANES, ALKENES AND ALKYNES –CHEMICAL PROPERTIES
ALKANES, ALKENES AND ALKYNES – NOMENCLATURE, ISOMERISM AND MECHANISM
ALKANES, ALKENES AND ALKYNES – METHODS OF PREPARATION
AROMATIC HYDROCARBONS – BENZENE, STRUCTURE, PREPARATION AND CHEMICAL REACTIONS
AROMATIC HYDROCARBONS – MECHANISM
ALKANES, ALKENES AND ALKYNES – CONFORMATIONS AND HYBRIDISATION

Environmental Chemistry

AIR POLLUTION – GREENHOUSE EFFECT
AIR POLLUTION – SMOG
AIR POLLUTION – GASEOUS POLLUTANTS – OXIDES OF C AND N
WATER POLLUTION – BIOLOGICAL OXYGEN DEMAND

Important Topics of Chemistry Class 12th

Solid State

DENSITY / FORMULA / PACKING FRACTION
VOIDS AND RADIUS / CO-ORDIANTION NUMBER
INTRODUCTION AND TYPE OF CRYSTAL SYSYTEM
IMPERFECTIONS IN SOLIDS

Solutions

DEPRESSION OF FREEZING POINT
INTRODUCTION / COLLIGATIVE PROPERTIES
ELEVATION OF BOILING POINT
RAOULT’S LAW
RELATIVE LOWERING OF VAPOUR PRESSURE
VAN’T HOFF FACTOR
OSMOSIS AND OSMOTIC PRESSURE
AZEOTROPE
CONCENTRATION TERM AND HENRY’S LAW
DALTON’S LAW OF PARTIAL PRESSURE

Electrochemistry

FARADAY’S LAW OF ELECTROLYSIS
ELECTRODE POTENTIAL / INTRODUCTION
RELATION BETWEEN CELL POTENTIAL AND GIBB’S ENERGY
LOHLRAUSCH’S LAW / CELL CONSTANT
ELECTROLYTIC CELL / ELECTROCHEMICAL CELL / GALVANIC CELL
NERST EQUATION
SPECIFIC AND MOLAR CONDUCTANCE / CONDUCTIVITY
ELECTROCHEMICAL SERIES
HYDROGEN ECONOMY

Chemical Kinetics

DEFINITION , RATE CONSTANT , RATE LAW
FIRST ORDER REACTION KINETICS
ARRHENIUS EQUATION
ORDER, MOLECULARITY AND MECHANISM
CATALYST

Surface Chemistry

COLLOIDAL SOLUTION
ADSORPTION ISOTHERM
ADSORPTION AND ABSORPTION
CATALYST

Metallurgy

INTRO – FLUX, LEACHING, ROASTIONG AND CALCINATION
METALLURGY OF INDIVIDUAL ELEMENTS
REFINING PROCESS
ELLINGHAM DIAGRAM

P-Block Elements (Group 15 to 18)

GROUP 15 – PREPARATION AND PROPERTIES
GROUP 16 – PREPARATION AND PROPERTIES
GROUP 17 – PREPARATION AND PROPERTIES
GROUP 18 – PREPARATION AND PROPERTIES
INTERHALOGEN COMPUNDS

D and F-Block Elements

D BLOCK ELEMENTS – PHYSICAL AND CHEMICAL PROPERTIES
CHEMISTRY OF KMnO4. K2Cr2O7 AND CrO5 AND OTHERS
F BLOCK ELEMENTS – PHYSICAL AND CHEMICAL PROPERTIES
LANTHANOID AND ACTINOID CONTRACTION

Coordination Compounds

VBT AND CFT, LIMITATION / HYBRIDISATION
ISOMERISM IN CO ORDINATION COMPOUNDS
CO ORDINATION COMPOUNDS – INTRODUCTION AND CLASSFICATION / NOMENCLATURE
LIGANDS
ORGANOMETALLIC COMPOUNDS
WERNER’S THEORY

Haloalkanes and Haloarenes

MECHANISM OF REACTIONS
CHEMICAL PROPERTIES
ISOMERISM AND CHIRALITY

Alcohols, Phenols and Ethers

ALCOHOLS – PREPARATION, PHYSICAL AND CHEMICAL PROPERTIES
PHENOLS – PREPARATION, PHYSICAL AND CHEMICAL PROPERTIES, USES
ALCOHOLS – PREPARATION, PHYSICAL AND CHEMICAL PROPERTIES, ACIDIC NATURE OF PHENOL
MECHANISM OF DEHYDRATION , USES, METHANOL AND ETHANOL

Aldehydes, Ketones and Carboxylic Acids

MECHANISM AND ISOMERS
PREPARATIONS AND PROPERTIES OF ALDEHYDES AND KETONES
NAME REACTION
ACID DERIVATIVES PREPARATION AND PROPERTIES
CARBOXYLIC ACIDS
HYBRIDISATION

Amines

AMINES – INTRODUCTION PREPARATION AND PROPERTIES
DIAZONIUM SALTS PREPARATION, REACTION AND USES
UREA AND NITRO COMPOUNDS
IDENTIFICATION OF PRIMARY, SECONDARY AND TERTIARY AMINES
CYANIDES AND ISOCYANIDES

Biomolecules

CARBOHYDRATES – CLASSIFICATION
PROTEINS – AMINO ACIDS, PEPTIDE BONDS, PROTIENS, STRUCTURE OF PROTIENS
VITAMINS / HORMONES / ENZYMES
NUCLEIC ACIDS , DNA AND RNA
DENATURATION OF PROTIENS AND CHEMICAL PROPERTIES

Polymers

CLASSIFICATION – METHODS OF POLYMERISATION, COPOLYMERISATION
POLYMERS – NATURAL / SYNTHETIC, BIODEGRADABLE / NON – BIODEGRADABLE

Chemistry in Everyday Life

MEDICINES AND OTHER CHEMICAL USES IN DAILY LIFE
CLENSING AGENTS – SOAPS AND DETERGENTS, CLEANSING ACTION/ DYES/ PROPOLLANT
FOOD – PRESERVATION , ARTIFICIAL, SWEETENING AGENTS, ANTIOXIDANTS

Focus more on these topics and solve questions based on these topics as much as you can. Best of Luck!

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