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Chemistry Overview

Chemistry is the branch of science concerned with the substances of which matter is composed, the investigation of their properties and reactions, and the use of such reactions to form new substances.
For Neet preparation , understanding about chemistry is difficult task ,so one aspirant should provide important focus on this subject. Well with help of video lectures and the notes provided by the Kaysons Education is best way to deal with the concept of organic and inorganic chemistry.
NEET Chemistry comprises three major sections of organic, inorganic and Physical Chemistry

Organic Chemistry carries more weightage in chemistry than other sub discipline.
Organic Chemistry is a sub-discipline of Chemistry that deals with carbon compounds. It is that branch of Chemistry that many people hate (they say, it’s a lot of mugging up). But, once you know the basics (Hybridization, Isomerism, H-Bonds, Carbonization and Sigma and Pi-bonds) of the subject well, preparation can be done easily. Organic Chemistry shares 28% weightage of the total number of questions.
You have to learn the basic concepts in organic chemistry after which you can solve the problems and reactions.

Tips for Organic Chemistry

You have to remember a few basic things, after which the preparation for the subject is easy. It is said that you have to mug up everything, but if you had clear the basic concepts of the reactions then you don’t have to do this.
The basic things, you have to remember are:
• atomic and molecular orbital, their interactions
• VSEPR theory and their various applications
• dπ-pπ back bonding and anti-bonding orbital
• how pi and sigma orbital are formed
• other concepts of basic bonding theory
• hybridization
• formal charges and how to find them.
You should also be aware of atomic and chemical properties of halogens and nitrogen group. The concepts of acidity, the basicity of acids and basics like Lewis type, Bronstead type, etc. and knowledge of their salts like NaCl, KCl, etc. fetch you great points. Learning the properties of AlCl3, HgCl2, concepts of charge density, atomic structure and stoichiometric knowledge is a must. And if you have some knowledge of the Kinetic Theory of Gasses, things like activation energy, how catalysts work and some basic concepts of thermodynamics, then the subject is as easy as a cakewalk. You must know the names of various compounds that constitute reagents, substracts etc. Practice through the variety of questions of Organic Chemistry to make command over it.

IUPAC Nomenclature:

This is one of the significant hurdles while preparing Organic Chemistry. Some basic nomenclatures like aromatic rings with substitutes, fused rings & Spirocyclic compounds, oxiranes & oxetanes and functional groups should be prepared well.


The students whose concepts are clear they feel that ,it’s one of the easiest section of Chemistry and you can solve this section in very less time than other two sections. Best way to prepare for Inorganic Chemistry is to practice through the NCERT book. No numerical or any formula based problems are asked from this subject, which saves the time for solving other questions. You need to go thoroughly from the basic concepts. Don’t try to solve the questions directly.
The important to focus in chemistry are :-

Unit-1: Organic Chemistry

• Introduction to Organic
• Isomersim and Reaction
• Hydrocarbon
• Halogen compound
• Alcohol Phenol ether
• Ketones and Aldehydes
• Carboxylic Acid and Derivatives
• Nitrogen Compounds
• Biomolecules
• Polymers in Everyday in life

Organic Chemistry:

is a subdiscipline of chemistry that studies the structure, properties and reactions of organic compounds, which contain carbonin covalent bonding. Study of structure determines their chemical compostionand formula. Study of properties includes physicaland chemical properties, and evaluation of chemical reactivity to understand their behavior. The study of organic reactions includes the chemical synthesisof natural products, drugs and polymers, and study of individual organic molecules in the laboratory and via theoretical (in silico)study.


Organic Chemistry is quite balanced i.e., it contains 14-20 questions on average and constitutes one-third of the questions, much like its share on the syllabus. The number of questions fluctuate every year but it is estimated that at least 15 questions will be asked from this segment in the upcoming year, 2020. The very basics of O-Chem lies with the reaction mechanisms and these are further used in later chapters to understand scores of important named reactions. The end chapters such as biomolecules and polymers in everyday life take up very less time but end up appearing in the exam and thus must be taken care of.

How to prepare:

While mugging up is true for Inorganic Chemistry, Organic fortunately can be built up with concepts and need not be worried. Chemical Bonding is very significant and learning theories will help you stay clear in the mess. Atomic and Chemical Properties, IUPAC Nomenclature etc. will help study the later chapters easily. Mindmaps and Flash Cards are extremely handy in such situations and help categorise reactions and elements to connect further links. Mechanisms will act as the ultimate decider between acing or failing your exams because it is beyond superficial understanding. Understanding individual steps of the reaction will eliminate errors in any modifications in the question. Make a notebook and revise to stay in touch and refer to understanding mostly and not memorization. Memorize and your efforts will most likely go in vain.

Key areas:


Book Recommendations:


Year 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009
organic Chemistry 10 14 16 20 19 15 14 17 15 19 16

Unit-2: Inorganic Chemistry

• Periodic Properties
• Hydrogen and s Block
• Block part 1 Group 13 & 14
• P Block Part 2
• D & f Block Element
• Extraction of metals

Inorganic Chemistry:

deals with the synthesisand behavior of inorganic and organometalliccompounds. This field covers all chemical compundsexcept the myriad organic compounds(carbon-based compounds, usually containing C-H bonds), which are the subjects of organic chemistry. The distinction between the two disciplines is far from absolute, as there is much overlap in the subdiscipline of organometallic chemistry. It has applications in every aspect of the chemical industry, including catalysis, material science,pigments, surfactants,coatings, medications,fuels, and agriculture.


Inorganic Chemistry, the dreadful nightmare for majority of the students constitute the least portion i.e., around 20% of all the questions. The earlier trend showed 10-13 questions every year but in the recent years, the question setters have moved on to other portions making around 8-10 questions from the inorganic portion. The trends will re-occur throughout all chapters and the topics are interrelated. Going by the current projection, it is a wise decision to cover all the fundamental and relatively easier portion and prioritise the difficult parts at the end since it doesn’t attract a lot of questions. Around 10 questions are estimated to appear in the next year.

How to prepare:

A large deal of Inorganic Chemistry is definitely about memorization. However, there is a hype to it since the basic trends and patterns if understood, the rest of the subjects open up. The blocks that are studied later on are the detailed version of their descriptions in the periodic table. And exceptions, make a note of these since they are going to decide your future for the large part. Periodic Table is the most fundamental unit and can not or must not be skipped at any cost. NCERT is the bible as far as this segment goes and there are no two ways about it. Coupling NCERT with good MCQ practice and mock tests will ensure you hit the last nail and befriend Inorganic Chemistry. Understand the Periodic Table, learn trends and exceptions (very important), and of course get ready to memorize a lot. All that with revision will ensure Inorganic Chemistry becomes your strength and bring a difference in the rank.

Key areas:


Book Recommendations:


Year 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009
Inorganic Chemistry 11 13 13 8 11 9 11 9 10 9 10

Unit-3: Physical Chemistry

• Some Basic Concepts of Chemistry
• Atomic Structure
• Chemical Bonding
• Gases & Liquids
• Dilute Solutions
• Solid State
• Energetics
• Chemical Kinetics
• Equilibrium
• Electrochemistry
• Surface Chemistry
• Redox Reactions

Physical Chemistry:

chemistry is the study of macroscopic, atomic, subatomic, and particulate phenomena in chemical systems in terms of the principles, practices, and concepts of physics such as motion, energy,force, time,thermodynamics, quantum chemistry,statistical mechanics, analytical dynamics and chemical equilibruim.


​Physical Chemistry constitute more than 40% of the entire syllabus and is definitely the most deserving portion to devote time to. The chapters such as Basic concepts of chemistry, atomic structure, chemical bonding etc. forms the base of chemistry that will later on be required in organic as well as inorganic portions. You can expect on an average 20 questions from this portion and at least one-third of the questions are bound to be from this segment. It will test your ability to deal with equations, mathematical formulas, and lengthy & fast calculations. The recent 5 years show that you can expect around 20-25 questions in the year 2020.

How to prepare:

The first step would be to cover NCERT before trying any other reference books. You have to develop the ability to derive formulas and hence understand it instead of just plugging in the values and expecting a result. Due to tedious calculations owing to its involvement with physics, try to avoid calculators since it won’t be available in the exam. Practice more and more with problems involving numbers in decimal format, scientific notation to get used to the format. Also, make sure to learn the necessary approximations to arrive at results without involving unnecessary details. This will require you to polish your skills of time management. Once the NCERT is taken care of, refer to a reference book for the sake of practicing questions and allowing yourself some perspective for certain tricky questions and valuable tips. A real-life analogy or intuition might solve difficult problems and can be very handy at difficult situations. Brush your concepts, understand the formulas, calculate fast and at the end keep on practicing more and more problems to get better at this subject. Speed & Revision is the key.

Key areas:


Book Recommendations:



Year 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009
Physical Chemistry 21 16 16 20 18 18 20 20 21 22 22

Books to study :-

• The notes provided by Kaysons Education is best for clearing the concepts and understand the basic reactions of organic chemistry. The other reference book one should study are :-
• NCERT Book
• Organic Chemistry By MS Chauhan
• Physical Chemistry by OP Tandon
• ABC of Chemistry for Classes 11 and 12 by Modern
• Concise Inorganic Chemistry by JD Lee
• Dinesh Chemistry Guide