๐ Introduction
Organic chemistry is a vital branch of chemistry that forms the core of numerous competitive examinations such as NEET, JEE (Main and Advanced), BITSAT, AIIMS, and other entrance exams for medical and engineering colleges. Mastering the fundamental concepts of organic chemistry is essential to score high in these exams.
Among the many books available in the market, Basic Concepts of Organic Chemistry for Competitive Exams by Dr. D.N. Singh stands out as a comprehensive, exam-focused, and student-friendly guide that simplifies the intricate principles of organic chemistry. This book has been designed to offer a strong conceptual foundation and practical problem-solving strategies, making it ideal for serious aspirants.
๐จ๐ซ About the Author: Dr. D.N. Singh
Dr. D.N. Singh is a seasoned chemistry educator and author who has taught thousands of students aspiring to excel in competitive exams. With years of academic and teaching experience, he has a deep understanding of the challenges faced by students in grasping organic chemistry. His writing style is clear, structured, and logical, with a special focus on visualizing concepts and developing critical thinking.
Dr. Singh's reputation in the coaching community and among students is built on his ability to make chemistry engaging and understandable. His other publications have also received positive feedback for their clarity and relevance to entrance exams.
๐งช Book Overview
✅ Key Features of the Book
1. Concept-Oriented Approach
2. Exam-Relevant Content
3. Easy-to-Follow Language
4. Graphical & Tabular Representations
Important trends, comparisons, and summaries are presented through charts, tables, and diagrams, enhancing retention and revision.
5. Practice Questions
Every chapter ends with:
- Conceptual MCQs
- Assertion-reason questions
- Statement-type questions
- Previous year questions
These help build speed, accuracy, and confidence.
๐ Chapter-Wise Summary
Here’s a detailed look at what the book covers:
๐ Chapter 1: Basics of Organic Chemistry
- Introduction to carbon compounds
- Nature of chemical bonds
- Hybridization (sp³, sp², sp)
- Inductive effect, resonance, hyperconjugation
- Mesomeric effect and their impact on reactivity
๐ Chapter 2: Nomenclature of Organic Compounds
- IUPAC rules
- Functional groups
- Naming alkanes, alkenes, alkynes, alcohols, ketones, carboxylic acids, amines, and more
๐ Chapter 3: Isomerism
- Structural isomerism
- Geometrical (cis-trans) isomerism
- Optical isomerism
- Tautomerism
- Stereochemistry basics
๐ Chapter 4: General Organic Reactions
- Electrophiles and nucleophiles
- Reaction intermediates: carbocations, carbanions, free radicals
- Types of organic reactions: substitution, elimination, addition
๐ Chapter 5: Alkanes, Alkenes, and Alkynes
- Preparation methods
- Properties and reactions
- Mechanisms: free radical halogenation, electrophilic addition, etc.
๐ Chapter 6: Aromatic Compounds
- Aromaticity and benzene structure
- Electrophilic aromatic substitution
- Activating/deactivating groups
- Directive influence
๐ Chapter 7: Haloalkanes and Haloarenes
- SN1 and SN2 mechanisms
- Factors affecting nucleophilic substitution
- Elimination reactions (E1, E2)
๐ Chapter 8: Alcohols, Phenols, and Ethers
- Acid-base properties
- Nucleophilic substitution
- Reactions with SOCl₂, PCl₅, dehydration
๐ Chapter 9: Aldehydes and Ketones
- Nucleophilic addition reactions
- Oxidation and reduction
- Aldol condensation
- Cannizzaro and Perkin reactions
๐ Chapter 10: Carboxylic Acids and Derivatives
- Acidity comparison
- Esterification and hydrolysis
- Decarboxylation
- Derivative synthesis (amides, anhydrides)
๐ Chapter 11: Organic Compounds Containing Nitrogen
- Amines: preparation and properties
- Diazonium salts
- Coupling reactions
๐ Chapter 12: Biomolecules and Polymers
- Amino acids and proteins
- Carbohydrates and vitamins
- Synthetic and natural polymers
๐ฏ Why This Book Stands Out
| Feature | Dr. D.N. Singh’s Book | Other Organic Books |
|---|---|---|
| Clarity of Concepts | ✅ Excellent | ⚠️ Varies |
| Exam-Oriented Questions | ✅ Tailored for NEET & JEE | ⚠️ Academic focus sometimes |
| Beginner Friendly | ✅ Yes | ❌ Often requires prior basics |
| Visual Diagrams and Tables | ✅ Rich in visuals | ⚠️ Limited |
| Focus on Mechanisms | ✅ Strong | ⚠️ Not always detailed |
๐ก How to Use This Book Effectively
- Start early: Don’t wait till exam time—organic chemistry requires consistent revision.
- Make reaction charts: Summarize important reactions and intermediates.
- Solve MCQs after every topic: This reinforces understanding.
- Practice retrosynthesis: Work backward from products to reactants.
- Keep a reaction mechanism notebook: Helps in last-minute revision.
๐ What Students Say
“This book helped me fall in love with organic chemistry. Everything is so well explained!”— Arjun Mehta, JEE Aspirant
“Dr. Singh’s book is the best for building concepts. I no longer fear organic reactions.”— Preeti Sharma, NEET Topper
“Better than most reference books. Great for practice and clarity.”— Vivek Rathi, Class 12 CBSE
๐ง Learning Outcomes
By the end of this book, students will be able to:
- Understand and predict reaction mechanisms
- Apply organic chemistry to real-life questions in exams
- Easily recall concepts using visuals and short notes
- Score high in the organic section of competitive exams
๐ Final Thoughts
Organic chemistry is often seen as tough and confusing, but it doesn’t have to be. With the right guide, learning can be enjoyable and productive. Basic Concepts of Organic Chemistry for Competitive Exams by Dr. D.N. Singh demystifies this subject with logical explanations, real exam-style questions, and plenty of visual aids.
Whether you're a beginner or looking to revise before exams, this book offers everything you need for success.
๐ Tags for SEO
organic chemistry book, dn singh chemistry pdf, basic organic chemistry for JEE NEET, reaction mechanisms, isomerism, iupac nomenclature, electrophilic substitution, SN1 SN2 reactions, carbocations, organic MCQs, NEET chemistry book, best organic chemistry book, organic chemistry structure and bonding, reaction types in organic chemistry, organic book class 11 12

