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Organic Chemistry JEE

There is no entering into organic chemistry without knowing the General Organic Chemistry and that’s a fact. The basic mechanisms and reactions follow up in every chapter but that requires you to know some fundamental reasoning. Unlike inorganic chemistry, here the reaction mechanisms have a pattern. The quantity might get overwhelming over time but is nonetheless useful in the long run. Naming reactions are the crown jewels of Organic Chemistry. Over the past 10 years, 112 questions have been asked from this unit. Some of the important chapters from this unit are: Amino Acids & Polymers, GOC, POC, Hydrocarbons, Alkyl Halides and Aromatic Compounds. Environmental chemistry might turn out to be an easy scoring chapter but owing to its low weightage, it should be prepared at the end.

Organic Chemistry JEE Chapter Wise Overview

Number of questions asked in each chapter of Organic Chemistry JEE from 2010 to 2020 in JEE

 

JEE Chemistry Chapter-wise weightage of Organic Chemistry 2020

Let's find out the chapter-wise weightage of the Unit Organic Chemistry

Chapters Weightage
GENERAL ORGANIC CHEMISTRY 6.33
HYDROCARBONS 6.5
alcohols, phenols, ethers, aldehydes, ketones, carboxylic acids, and esters. 8.5
AMINES 3.6
Biomolecules & Polymers 5.8
ENVIRONMENTAL CHEMISTRY 1.0

 

List of important topics for Organic Chemistry JEE

  • Nomenclature of Organic Compounds,Structural and Stereoisomerism,Covalent Bonds
  • Chemical Properties of Alkanes, Alkenes & Alkynes, Benzene, Haloalkanes & Haloarenes
  • Alcohols, Phenols & Ether,Aldehydes and Ketones,Carboxylic acids and their derivatives:
  • Nitrogen containing compounds
  • Proteins and Enzymes,Nucleic Acids
  • Polymers
  • Chemistry in Everyday life

Organic Chemistry JEE Syllabus 2023,2024

  • Purification - Crystallization, sublimation, distillation, differential extraction and chromatography - principles and their applications.
  • Qualitative analysis - Detection of nitrogen, sulphur, phosphorus and halogens.
  • Quantitative analysis (basic principles only) - Estimation of carbon, hydrogen, nitrogen, halogens, sulphur, phosphorus.
  • Calculations of empirical formula and molecular formulae: Numerical problems in organic quantitative analysis
  • Tetravalency of carbon: Shapes of simple molecules - hybridization (s and p): Classification of organic compounds based on functional groups: and those containing halogens, oxygen, nitrogen and sulphur; Homologous series: Isomerism - structural and stereoisomerism.
  • Nomenclature (Trivial and IUPAC)
  • Covalent bond fission - Homolytic and heterolytic: free radicals, carbocations and carbanions; stability of carbocations and free radicals, electrophiles and nucleophiles.
  • Electronic displacement in a covalent bond
  • Inductive effect, electromeric effect, resonance and hyperconjugation.
  • Common types of organic reactions- Substitution, addition, elimination and rearrangement.
  • Classification, isomerism, IUPAC nomenclature, general methods of preparation, properties and reactions.
  • Alkanes - Conformations: Sawhorse and Newman projections (of ethane): Mechanism of halogenation of alkanes.
  • Alkenes - Geometrical isomerism: Mechanism of electrophilic addition: addition of hydrogen, halogens, water, hydrogen halides (
  • Markownikoffs and peroxide effect): Ozonolysis and polymerization.
  • Alkynes - Acidic character: Addition of hydrogen, halogens, water and hydrogen halides: Polymerization.
  • Aromatic hydrocarbons - Nomenclature, benzene - structure and aromaticity: Mechanism of electrophilic substitution: halogenation, nitration.
  • Friedel - Craft's alkylation and acylation, directive influence of the functional group in mono-substituted benzene.
  • General methods of preparation, properties and reactions; Nature of C-X bond; Mechanisms of substitution reactions. Uses; Environmental effects of chloroform, iodoform freons and DDT.
  • General methods of preparation, properties, reactions and uses.
  • Alcohols: Identification of primary, secondary and tertiary alcohols: mechanism of dehydration.
  • Phenols: Acidic nature, electrophilic substitution reactions: halogenation. nitration and sulphonation. Reimer - Tiemann reaction.
  • Ethers: Structure.
  • Aldehyde and Ketones: Nature of carbonyl group; Nucleophilic addition to >C=O group, relative reactivities of aldehydes and ketones; Important reactions such as - Nucleophilic addition reactions (addition of HCN. NH3, and its derivatives), Grignard reagent; oxidation: reduction (Wolf Kishner and Clemmensen); the acidity of α-hydrogen, aldol condensation, Cannizzaro reaction.
  • Haloform reaction, Chemical tests to distinguish between aldehydes and Ketones.
  • Carboxylic Acids: Acidic strength and factors affecting it
  • General methods of preparation. Properties, reactions and uses.
  • Amines: Nomenclature, classification structure, basic character and identification of primary, secondary and tertiary amines and their basic character.
  • Diazonium Salts: Importance in synthetic organic chemistry. .
  • General introduction and classification of polymers, general methods of polymerization, - Addition and condensation, copolymerization.
  • Natural and synthetic, rubber and vulcanization, some important polymers with emphasis on their monomers and uses– polythene, nylon, polyester and bakelite.
  • General introduction and importance of biomolecules.
  • CARBOHYDRATES - Classification; aldoses and ketoses: monosaccharides (glucose and fructose) and constituent monosaccharides of oligosaccharides (sucrose, lactose and maltose).
  • PROTEINS - Elementary Idea of -amino acids, peptide bond, polypeptides. Proteins: primary, secondary, tertiary and quaternary
  • structure (qualitative idea only), denaturation of proteins, enzymes.
  • VITAMINS – Classification and functions.
  • NUCLEIC ACIDS – Chemical constitution of DNA and RNA. Biological functions of nucleic acids.
  • Chemicals in Medicines - Analgesics, tranquillizers, antiseptics, disinfectants, antimicrobials, anti-fertility drugs, antibiotics, antacids. Anti-histamines - their meaning and common examples.
  • Chemicals in food - Preservatives, artificial sweetening agents - common examples.
  • Cleansing Agents - Soaps and detergents, cleansing action
PRINCIPLES RELATED TO PRACTICAL CHEMISTRY
  • Detection of extra elements (Nitrogen, Sulphur, halogens) in organic compounds; Detection of the following functional groups; hydroxyl (alcoholic and phenolic), carbonyl (aldehyde and ketones) carboxyl and amino groups in organic compounds. The chemistry involved in the preparation of the following: Inorganic compounds; Mohr’s salt, potash alum. Organic compounds: Acetanilide, p-nitro acetanilide, aniline yellow, iodoform. The chemistry involved in the titrimetric exercises – Acids, bases and the use of indicators, oxalic-acid vs KMnO4, Mohr’s salt vs KMnO4 Chemical principles involved in the qualitative salt analysts: Cations – Pb2+, Cu2+, Al3+, Fe3+, Zn2+, Ni2+, Ca2+, Ba2+, Mg2+, NH4+. Anions- CO2−, S2-,SO2−, NO3-, NO2-, Cl- , Br-, I- ( Insoluble salts excluded). Chemical principles involved in the following experiments: 1. Enthalpy of solution of CuSO4 2. Enthalpy of neutralization of strong acid and strong base. 3. Preparation of lyophilic and lyophobic sols 4. Kinetic study of the reaction of iodide ion with hydrogen peroxide at room temperature.

Organic Chemistry JEE Video Lectures

Organic Chemistry JEE Books

List of Chapters of Organic Chemistry  
1-Basic Organic Chemistry Download
2-Reaction Mechanism Download
3-Hydrocarbon Download
4-Halogens Compound Download
5-Alcohols, Phenols and Ethers Download
6-Ketones and Aldehydes Download
7-Carboxylic Acid Download
8-Nitrogen Compounds Download
9-Biomolecules Download
10-Polymers Download
11-Chemistry in Everyday Life Download

Organic Chemistry JEE Test Series 2022,2023,2024

List of FREE Modern Physics & Electronics JEE Tests  
Paper set 1 (Easy) Download Question Download Solution
Paper set 2 (Moderate) Download Question Download Solution
Paper set 3 (Difficult) Download Question Download Solution

Question on Organic Chemistry For JEE Mains And Advanced 2022, 2023, 2024

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Q.

Cyclobutadiene is said to be

Q.

For synthesis of 1-butene,  should be treated with

Q.

Phenyl magnesium bromide reacts with methanol to give

Q.

2-methylbutane on reacting with bromine in the presence of sunlight gives mainly

Q.

The number of  in hexane-2,4-dione, respectively, is:

Q. is organic chemistry difficult for JEE?

No, organic chemistry is not difficult. All reactions are interrelated so it is advised that you follow the proper sequence of the chapter. One area where most students lack is that they do not focus much on nomenclature, remember nomenclature is the ABCD of organic chemistry if it is not clear to you, you will not be able to cope up with OC.

Q. Is organic chemistry important for JEE?

Every year about 11 to 15 questions for 44 to 60 marks are asked in JEE so it is one of the most important topics for JEE. Topics like aldehyde ketone and after that are all important for 12th board exams also. So you will have to study the topic in-depth to score well in boards and JEE.

Q. Is NCERT enough for organic chemistry for JEE?

Not for getting a Rank below 10000. JEE will ask 30% of questions that will be from NCERT but for the remaining 70%, NCERT will be of no use. Again the weightage of hydrocarbons in boards is less as compared to that of JEE. So will not advise you to be only dependent on NCERT.

Q. How to prepare for organic chemistry?

You cannot skip topics in organic chemistry you will have to follow the complete sequence of topics BOC followed by nomenclature and so on so forth. All the topics have interdependency so skipping any topic will result in you not understanding the next topic. This is the only method to score well in OC

Q. How can I improve my organic chemistry?

Organic chemistry is tricky since you have to imagine reactions happening from all dimensions. This can be difficult to understand unless your class teachers are using 3D figures to explain the reactions. At Kaysons we have used 3D animation to help you clear and understand complex reactions which will help you in scoring well in organic chemistry.

Q. Best books for organic chemistry for JEE?

People do recommend books like Morrison and bolyd, other international books but we will not recommend them, the reason is that they contain a lot of information that is not needed for JEE. We will advise you to go for OP Tandon or Arihant now remember both these books have over 2500 pages and will be very difficult for you to read and understand plus costing of over Rs 2500 will not be much use. So rather than books, we will advise you to use some video lectures to master Organic Chemistry.

Q. How many questions are asked from organic chemistry?

Every year about 11 to 15 questions for 44 to 60 marks are asked in JEE, of which 6.33% asked from GOC while hydrocarbons 6.5%, amines 3.6% biomolecules and polymers 5.8% while alcohols, phenols, ether etc 8.5%.