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Dhirendra Kumar Singh
  • Qualification:B.Sc., M.Sc., Ph.D, MSc in chemistry
  • Language:English, Hindi
  • Experience:10 years

Dhirendra Kumar Singh

Varanasi/Online

About

Dr. Dhirendra Kumar Singh is a highly experienced and dedicated Chemistry educator with 10 years of teaching expertise across school-level, competitive, and advanced chemistry doma...

Dr. Dhirendra Kumar Singh is a highly experienced and dedicated Chemistry educator with 10 years of teaching expertise across school-level, competitive, and advanced chemistry domains. He specializes in CBSE Chemistry (Classes 6–12), NEET Chemistry, IIT-JEE Chemistry, EAMCET Chemistry, and foundation-level guidance for students aiming for top ranks.His strong command over Organic, Physical, and Inorganic Chemistry, combined with simplified teaching methods, helps students understand concepts deeply and score high in competitive exams. He also teaches NEET Physics & Chemistry and provides focused preparation for IIT JAM.
Dhirendra Kumar Singh

Dhirendra Kumar Singh

Varanasi/Online

  • Qualification:B.Sc., M.Sc., Ph.D, MSc in chemistry
  • Language:English, Hindi
  • Experience:10 years

Dr. Dhirendra Kumar Singh is a highly experienced and dedicated Chemistry educator with 10 years of teaching expertise across school-level, competitive, and advanced chemistry doma...

Dr. Dhirendra Kumar Singh is a highly experienced and dedicated Chemistry educator with 10 years of teaching expertise across school-level, competitive, and advanced chemistry domains. He specializes in CBSE Chemistry (Classes 6–12), NEET Chemistry, IIT-JEE Chemistry, EAMCET Chemistry, and foundation-level guidance for students aiming for top ranks.His strong command over Organic, Physical, and Inorganic Chemistry, combined with simplified teaching methods, helps students understand concepts deeply and score high in competitive exams. He also teaches NEET Physics & Chemistry and provides focused preparation for IIT JAM.
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Courses by: Dhirendra Kumar Singh

Foundation Chemistry - Dr. Dhirendra Singh

1️⃣ Class 11 Chemistry Curriculum

Physical Chemistry (Class 11)

  • Basic Concepts of Chemistry

  • Structure of Atom

  • States of Matter

  • Thermodynamics

  • Equilibrium

  • Redox Reactions

  • Chemical Bonding & Molecular Structure

Organic Chemistry (Class 11)

  • Classification & Basics

  • Hydrocarbons

  • Organic Reaction Mechanisms

  • Purification & Characterization

Inorganic Chemistry (Class 11)

  • Periodic Table & Periodicity

  • Hydrogen

  • s-Block Elements

  • p-Block Elements (Part I)


2️⃣ Class 12 Chemistry Curriculum

Physical Chemistry (Class 12)

  • Solid State

  • Solutions

  • Electrochemistry

  • Chemical Kinetics

  • Surface Chemistry

Organic Chemistry (Class 12)

  • Haloalkanes & Haloarenes

  • Alcohols, Phenols & Ethers

  • Aldehydes, Ketones & Carboxylic Acids

  • Amines & Biomolecules

  • Polymers & Chemistry in Everyday Life

Inorganic Chemistry (Class 12)

  • d- and f-Block Elements

  • Coordination Compounds

  • p-Block Elements (Part II)


3️⃣ IIT Chemistry (JEE Main & Advanced)

Physical Chemistry

  • Advanced mole concept

  • Real gas behavior & thermodynamics

  • Complex equilibrium questions

  • Electrochemistry & kinetics for JEE

Organic Chemistry

  • Advanced reaction mechanisms

  • Stereochemistry

  • Named Reactions

  • Problem-solving with JEE patterns

Inorganic Chemistry

  • Coordination compounds (high weightage)

  • Periodic trends

  • Salt analysis & advanced concepts


4️⃣ IIT Chemistry Foundation (Grades 6–10)

  • Basic atomic structure

  • Simple chemical equations

  • Periodic table basics

  • Introduction to acids, bases & salts

  • Fundamentals of bonding

  • Early exposure to JEE-style concepts

NEET Chemistry - Dr. Dhirendra Kumar Singh

MODULE 1: CBSE Class 12 Chemistry

🧪 Physical Chemistry

1. Solid State

  • Types of solids, crystal lattices

  • Unit cells, packing efficiency

  • Defects in solids

  • Electrical & magnetic properties

2. Solutions

  • Types of solutions

  • Raoult’s Law, Henry’s Law

  • Colligative properties (with numericals)

  • Abnormal molar mass

3. Electrochemistry

  • Galvanic & electrolytic cells

  • Standard electrode potential

  • Nernst equation

  • Conductance & Kohlrausch’s Law

4. Chemical Kinetics

  • Rate laws

  • Order & molecularity

  • Integrated rate equations

  • Arrhenius equation


🧪 Inorganic Chemistry

5. p-block Elements

  • Group 15, 16, 17, 18 chemistry

  • Oxides, oxyacids

  • Interhalogen compounds

6. d- & f-block Elements

  • Transition element properties

  • Lanthanides & actinides

  • Magnetic behavior, color, oxidation states

7. Coordination Compounds

  • Nomenclature

  • Bonding theories

  • Isomerism

  • Applications


🧪 Organic Chemistry

8. Haloalkanes & Haloarenes

9. Alcohols, Phenols & Ethers

10. Aldehydes, Ketones & Carboxylic Acids

11. Amines & Diazonium Salts

12. Biomolecules, Polymers & Chemistry in Everyday Life

CBSE Practice Support:

  • Line-by-line NCERT completion

  • Previous 10-year board questions

  • Numerical mastery

  • Sample paper practice


MODULE 2: NEET Chemistry (Physical, Organic, Inorganic)

🔥 NEET Physical Chemistry

  • Atomic structure

  • Thermodynamics

  • Chemical equilibrium & ionic equilibrium

  • Electrochemistry

  • Surface chemistry

  • Chemical kinetics

🔥 NEET Organic Chemistry

  • GOC (General Organic Chemistry)

  • Reaction mechanisms

  • Isomerism

  • Aromatic compounds

  • Carbonyl compounds

  • Biomolecules & polymers

🔥 NEET Inorganic Chemistry

  • Periodic table & trends

  • Hydrogen

  • s-, p-, d-, f-block

  • Coordination compounds

  • Environmental chemistry

NEET Practice Sessions

  • Chapter-wise NCERT MCQs

  • High-weightage questions

  • Daily practice sheets

  • Full-length NEET mock tests


MODULE 3: EAMCET Chemistry Preparation

📘 Complete Syllabus Coverage

  • Physical chemistry foundations

  • Organic chemistry reactions

  • Inorganic chemistry group trends

  • Metallurgy & environmental chemistry


MODULE 4: NEET – Physics / Chemistry Integrated Preparation

📗 Physics Concepts Covered

  • Motion & laws

  • Thermodynamics

  • Electrostatics

  • Magnetism

  • Current electricity

  • Modern physics

EAMCET Chemistry - Dr. Dhirendra Kumar Singh

MODULE 1: Physical Chemistry

1. Atomic Structure

  • Structure of atom

  • Quantum numbers

  • Electronic configuration

2. States of Matter

  • Liquids, gases

  • Ideal gas equation

  • Dalton’s & Graham’s Laws

3. Thermodynamics

  • First law

  • Enthalpy & internal energy

  • Hess’s law

4. Chemical Equilibrium

  • Law of mass action

  • Le Chatelier’s principle

  • Numerical problem-solving

5. Ionic Equilibrium

  • pH, pOH concepts

  • Buffer solutions

  • Solubility product

6. Chemical Kinetics

  • Rate laws

  • Order of reaction

  • Activation energy

7. Surface Chemistry

  • Adsorption

  • Colloids

  • Emulsions


MODULE 2: Inorganic Chemistry

8. Periodic Table & Periodicity

  • Trends in properties

  • Ionization & electron affinity

9. Hydrogen & s-Block Elements

  • Alkali & alkaline earth metals

  • Properties & compounds

10. p-Block Elements

  • Group 13 to 18 chemistry

  • NCERT-based factual learning

11. d- and f-Block Elements

  • Transition metals

  • Lanthanides & actinides

12. Coordination Compounds

  • Bonding & valence

  • Applications

  • Isomerism

13. Metallurgy

  • Extraction methods

  • Refining processes

14. Environmental Chemistry

  • Pollution concepts

  • Ozone, smog, greenhouse effect


MODULE 3: Organic Chemistry

15. Basic Concepts of Organic Chemistry

  • Hybridization

  • Inductive, resonance, hyperconjugation

  • Types of reactions

16. Hydrocarbons

  • Alkanes, alkenes, alkynes

  • Aromatic hydrocarbons

17. Halogen Derivatives

  • Properties & reactions

18. Alcohols, Phenols & Ethers

19. Aldehydes & Ketones

20. Carboxylic Acids & Derivatives

21. Amines

22. Biomolecules & Polymers


IIT JEE Chemistry - Dr. Dhirendra Kumar Singh

MODULE 1: Physical Chemistry (IIT Level)

1. Mole Concept & Stoichiometry

  • Mole calculations

  • Limiting reagent

  • Empirical & molecular formula

2. Atomic Structure & Quantum Chemistry

  • Bohr model

  • Quantum numbers

  • Wave mechanics

3. Gaseous & Liquid State

  • Kinetic theory

  • Real gases (Van der Waals)

  • Diffusion & effusion

4. Chemical Thermodynamics

  • First, second law

  • Gibbs free energy

  • Entropy & spontaneity

5. Chemical & Ionic Equilibrium

  • Equilibrium constant

  • Le Chatelier principle

  • Acid–base theories

  • Solubility product & numericals

6. Chemical Kinetics

  • Rate laws

  • Arrhenius equation

  • Reaction mechanisms

7. Electrochemistry

  • Nernst equation

  • Electrolytic cells

  • Conductance & transference

8. Surface Chemistry

  • Adsorption

  • Catalysis

  • Colloids & emulsions


MODULE 2: Inorganic Chemistry (IIT Level)

9. Periodic Table & Periodicity

  • Trends & exceptions

  • Effective nuclear charge

10. Chemical Bonding

  • Hybridization

  • MO theory

  • VB theory

  • VSEPR rules

11. Coordination Compounds

  • IUPAC naming

  • Bonding & crystal field theory

  • Isomerism

  • Stability & applications

12. Hydrogen, s-, p-, d-, f-block Elements

  • Properties, reactions, trends

  • Advanced IIT-level questions

13. Metallurgy

  • Extraction processes

  • Thermodynamic principles

14. Environmental Chemistry

  • Pollution, ozone, smog

  • Green chemistry concepts


MODULE 3: Organic Chemistry (IIT Level)

15. Organic Structure & Nomenclature

  • Resonance, hyperconjugation

  • Aromaticity

  • Electronic effects

16. General Organic Chemistry (GOC)

  • Acidity & basicity

  • Reaction intermediates

  • Mechanisms (SN1, SN2, E1, E2)

17. Hydrocarbons

  • Alkanes, alkenes, alkynes

  • Aromatic compounds

  • IIT-level mechanisms

18. Stereochemistry

  • Optical activity

  • R/S, E/Z

  • Enantiomers & diastereomers

19. Haloalkanes & Haloarenes

  • Nucleophilic substitution

  • Electrophilic substitution

20. Alcohols, Phenols & Ethers

21. Aldehydes & Ketones

22. Carboxylic Acids & Derivatives

23. Amines

24. Biomolecules, Polymers & Everyday Chemistry


⭐ IIT Foundation Module (For Classes 8–10)

  • Basic atomic structure

  • Fundamental chemistry laws

  • Introduction to periodic table

  • Acids, bases & salts

  • Fundamentals of organic chemistry

  • Basic numericals

  • Problem-solving sessions

Location

Dhirendra Kumar First Flore, Lane No-02, House no-89, Saket Nagar Colony, Varanasi, Uttar Pradesh

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