How to prepare for Chemistry for JEE? Step by Step Guide for JEE Chemistry JEE Notes | EduRev

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JEE 2020: Step by Step Guide for learning Chemistry

Chemistry is an equally vital subject for JEE Mains Preparation. Chemistry occupies one-third of the JEE Main question paper, and is equally important as the other two subjects, ie. Physics and Mathematics. In order to succeed in the JEE Main, students should make their own strategies. Out of the three sections in the JEE Main, Chemistry is a major one and considered to be a student-friendly subject. But, that does not mean that it does not require much attention. Students often tend to ignore chemistry as they find it an easier one, but that's where the mistake lies. Easy subject, when given equal importance will lead to better scores and results.

The preparation tips for Chemistry for JEE Main 2020 will help you to know about important books and topics you should through while preparing for the entrance exam.

JEE Main Chemistry preparation requires a lot of practice of Conversions, Numerical and Revision of the theory. It is comparatively more scoring subject than physics and maths.

Follow these Preparation tips that will guide you well and help achieve desired results:

1. Start with the Basics:

The first step of preparation after you have analysed your syllabus and made a schedule, is to focus on Chemistry NCERT Textbooks. This is crucial to build your basics and clear the concepts in an easy way.

Also, start your preparation as early as possible. As an early starter, you will have time to tweak your preparation if you run off track. For example, if you are lagging in a particular section or topic, you will have enough time to study and understand it well.  This way you can utilize your time reading and practising the problems hard.


Comprehensive Course Links for Class 11 & Class 12 Chemistry

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2. Time Management:

At the time of revision, it is necessary to divide your revision time efficiently among the three branches of Chemistry – Physical Chemistry, Organic Chemistry, and Inorganic Chemistry. Whereas Physical Chemistry doesn’t require much of memorization and contains more numerical type questions, and you get comfortable with Organic Chemistry with practice, you may need to spend most of your revision time on Inorganic Chemistry to learn all the reactions efficiently.

3. Keep a check on Speed and Accuracy:

Speed and accuracy are the major determinants of your JEE Main rank. Accuracy is important as you would not like to get negative marks for doing silly mistakes. If you are fast at solving questions, you’ll be able to solve more questions in lesser time, which means you’ll secure more marks.

The time taken to complete the JEE Main Chemistry paper is generally lesser as compared to the time taken to complete the Physics and Mathematics paper. This is because there are a lesser number of calculative questions in Chemistry as compared to Physics and Mathematics.

When practising with tests and previous year papers, check whether you are able to solve the problems and answer all the questions within limited time.

Improving the strike rate of your answers is also vital to score well in chemistry. You can cut down on mistakes by clearing your concepts and also by practicing problem exercises.

4. Prepare according to weightage of topics:

Stereochemistry and functional analysis are among the most important topics from organic chemistry. In inorganic chemistry chemical bonding is most important then p block, Coordination Compounds, s-block, hydrogen at last d and f block elements are important. But we can’t say that you should only read these topic for qualifying chemistry section in JEE Mains. you need to distribute your time strategically among all the topics. So go through the syllabus very thoroughly. If you would go with this you can score well in your JEE Main. In physical chemistry, many questions are formed on titration and stoichiometry. Other important topics include electrochemistry, mole concept, and chemical equilibrium.

5. Solve Previous Year Question Papers:

The best way to tests yourself before the final exam is to attempt previous year papers.  It will teach you time management, help find out areas where silly mistakes are happening, and get familiar with the exam pattern. Also, if you solve, say questions papers of the last ten years or so, there is a good chance that some questions may be repeated. If that happens, you can happily earn some free scores!

Alos, doing so will help you revise the concepts that were asked in JEE Main earlier and you’ll also get a flavor of the type of questions asked in the JEE Main. Try to analyze your weak points and work towards improving them.


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6. Always Revise:

When you are two to three months away from the JEE Main exam, you should try mimicking the examination conditions at the time of revision so that you get habitual to it. Do the revision in three hours long sessions. Always make time for revision as revising  all the topics before the exam will help you retain them for a long time.

Weightage of JEE Mains Chemistry:

Given below are the detailed information and analysis from chemistry syllabus.

It will be defined in three terms:

  • Physical Chemistry
  • Inorganic Chemistry
  • Organic Chemistry

How to prepare for Chemistry for JEE? Step by Step Guide for JEE Chemistry JEE Notes | EduRev

Chapter Wise weightage for Physical Chemistry:

How to prepare for Chemistry for JEE? Step by Step Guide for JEE Chemistry JEE Notes | EduRev
 

The most important topics are:

1.Basic Concepts of Chemistry

  • Laws of Chemical Combination
  • Mole concept & Stoichiometry

2.Atomic Structure

  • Dual nature of Radiation
  • Atomic Spectra
  • Bohr’s Model for Hydrogen and Hydrogen-like species
  • Quantum Mechanical Model: Orbitals and Quantum Numbers

3.States of Matter (Gases, Liquids & Solids)

  • Gas Laws
  • Kinetic Molecular Theory of Gases
  • Real Gas behavior and Liquefaction of gases
  • Crystal Lattice and Unit cells
  • Close packed structures and voids
  • Defects in Solids

4.Solutions

  • Solutions: Types and Concentration
  • Vapour Pressure of a solution and Raoult’s law
  • Colligative properties of Solutions & Van’t Hoff factor

5.Thermodynamics & Thermochemistry

  • Enthalpy and Heat capacity
  • Enthalpy change of Various types of reactions
  • Gibb’s energy and Spontaneity

6.Equilibrium

  • Law of Chemical equilibrium and equilibrium constant
  • Factors affecting equilibrium: Le Chatelier’s Principle
  • Acids, Bases and Concept of pH
  • Hydrolysis of Salts and Buffer solutions
  • Solubility and Solubility product of sparingly soluble salts

7.Redox & Electrochemistry

  • Redox Reactions: Types and Concept of Oxidation Number
  • Galvanic Cells: features and Electrode Potential
  • Conductance of Electrolytic Solutions
  • Electrolytic cells and Products of electrolysis

8.Chemical Kinetics

  • Rate, Order and Molecularity of a reaction
  • Integrated rate equations and Half-life
  • Arrhenius Equation
  • Radioactivity and Nuclear Reactions (Fission & Fusion)

9.Surface Chemistry

  • Adsorption: Mechanism, Types and Isotherms
  • Catalysis
  • Colloids and Emulsions: Classification and Properties

Chapter Wise weightage for Inorganic Chemistry:

How to prepare for Chemistry for JEE? Step by Step Guide for JEE Chemistry JEE Notes | EduRev
 

The most important topics are:

1.Classification of Elements

  • Modern periodic table and Electronic configuration of Elements
  • Periodic Trends in Properties of Elements

2.Chemical Bonding & Molecular Structure

  • Ionic and Covalent Bonding and Bond parameters
  • VSEPR Theory
  • Valence bond theory and Hybridization
  • Molecular Orbital theory

3.Hydrogen & S Block Elements

  • Hydrides
  • Water and Hydrogen peroxide: structure and properties
  • General Characteristics of Compounds of S block elements
  • Anomalous Properties of the First Element
  • Important Compounds of S block elements

4.P Block Elements

  • General Trends in Physical and Chemical Properties of Elements
  • General trends in the Properties of Compounds of P block elements
  • Important Compounds of Boron, Carbon and Silicon
  • Allotropes and Important Compounds of Nitrogen, Phosphorus and Sulphur
  • Important Compounds of Halogens and their properties

5.Extraction of Metals

  • Processes of extraction of Metals from their ores
  • Thermodynamic and Electrochemical principles of metallurgy

6.D & F Block Elements

  • General Trends in Physical and Chemical Properties of the Transition Elements
  • Important compounds of Transition Elements

7.Coordination Compounds

  • IUPAC Nomenclature and Isomerism of Coordination compounds
  • Werner’s theory, Valence bond theory & Crystal field theory

8.Practical Chemistry

  • Acids Bases and the Use of Indicators, Oxalic-Acid Vs KMnO₄, Mohr’s Salt Vs KMnO₄
  • Chemical Principles Involved in the Qualitative Salt Analysis
  • Qualitative and Quantitative analysis of Organic Compounds

Chapter Wise weightage for Organic Chemistry:

The most important topics in these chapters are:

1.Basic Principles of Organic Chemistry

  • Structure and Nomenclature of Organic Compounds
  • Structural and Stereoisomerism in Organic Compounds
  • Electronic Displacement Effects in Covalent Bonds

2.Hydrocarbons & Halides

  • Structure, Physical and Chemical Properties of Alkanes, Alkenes & Alkynes, Benzene, Haloalkanes & Haloarenes

3.Oxygen containing compounds

  • Alcohols, Phenols & Ether: Structure, Physical and Chemical Properties
  • Aldehydes and Ketones: Physical and Chemical Properties
  • Carboxylic acids and their derivatives: Structure & Chemical properties

4.Nitrogen containing compounds

  • Amines & Diazonium salts: Chemical properties

5.Biomolecules

  • Monosaccharides: Structure, Physical and Chemical properties
  • Proteins and Enzymes: Structure and properties
  • Nucleic Acids: Structure and properties

6.Polymers

  • Addition & Condensation Polymerisation: Mechanism and Examples
  • Commercial Polymers

7.Chemistry in Everyday life

  • Drugs: Classification and therapeutic Action
  • Soaps and Detergents

8.Environmental Chemistry

  • Atmospheric pollution and Control
  • Water Pollution and Control

Section-wise Preparation Guide for JEE Mains Chemistry

JEE Main Physical Chemistry Preparation Guide:

We know that Physical chemistry deals with observing and understanding the physical and chemical properties of matter and our surroundings. It covers several basic, much used concepts and covers at least 30-40% of the JEE exam paper and so, forms a big part.

To have a good grasp over all the concepts of Physical Chemistry, make detailed notes about each topic. Topics like Mole Concept, Thermodynamics, Energy, Chemical Equilibrium, Chemical Bonding and Atomic structure are really important and require thorough understanding and learning of concepts and formulae. Also, never skip practicing questions. JEE chemistry numericals can only be solved by regular practice.

JEE Main Organic Chemistry Preparation Guide: 

Organic chemistry comes across as a difficult part at first, since its not an easy task to remember the reactions, compounds, mechanisms and structures. But it’s essential to master this portion of JEE chemistry as it is highly scoring and if studied well, chances of negative marking are considerably less as the questions are generally not so twisted compared to other sections.

Also, if revision is done properly, you can attempt this section in the least amount of time.

JEE Main Inorganic Chemistry Preparation Guide:

This is a favourite section to many students because it is easy and scoring section as well.

This is because it involves almost no problem solving or calculations or formulae.

The only important suggestion in the inorganic chemistry is, don't spend more time on single question if you don't know an answer.

Questions from inorganic chemistry section are mainly conceptual. The major topics you need to focus on are – Chemical bonding,  Analytical chemistry, Periodic table, metallurgy, Chemical reactions, coordination chemistry.

An Overview - Topic / Chapter wise weightage for JEE Main Chemistry Syllabus

Topics

No of Questions

Marks

Transition Elements and Coordination Chemistry

3

12

Periodic table and Representative Elements

3

12

Thermodynamics And Gaseous State

2

8

Atomic Structure

2

8

Chemical Bonding

2

8

Chemical And Ionic Equilibrium

2

8

Solid State And Surface Chemistry

2

8

Nuclear Chemistry And Environment

2

8

Mole Concept

1

4

Redox Reaction

1

4

Electrochemistry

1

4

Chemical Kinetics

1

4

Solution and Colligative Properties

1

4

General Organic Chemistry

1

4

Stereochemistry

1

4

Hydrocarbon

1

4

Alkyl Halides

1

4

Carboxylic Acid and their Derivatives

1

4

Carbohydrates,amino acid and Polymers

1

4

Aromatic Compounds

1

4


Important Books for JEE Mains Chemistry Preparation:

  1. Organic Chemistry by Morrison Boyd
  2. Organic Chemistry by O.P Tandon
  3. Modern Approach to Chemical Calculations by R.C. Mukherjee
  4. Numerical Chemistry by P. Bahadur
  5. Concise Inorganic Chemistry by J.D. Lee

Similarly, here are the preparation tips and tricks for Physics and Maths for JEE:

How to Prepare for JEE Physics? 

How to Prepare for JEE Math? 

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