Organic Chemistry L-4 Degree of C & H , α-β-γ Carbon, Types of Alcohols, Alkyl Halides & Amines

Bilkul Sir 🙏

Organic Chemistry Lecture 4 | Degree of Carbon & Hydrogen, α-β-γ Carbon, Types of Alcohols, Alkyl Halides & Amines | Class 11 NEET | ChembyKKSir

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🌍 Namaste Dear Students! 🙏

Welcome to Organic Chemistry – Lecture 4, where we build one of the most crucial classification and reaction-oriented foundations of Organic Chemistry — degree of carbon and hydrogen and α, β, γ, δ carbon concepts.

This lecture is a turning point, because from here onward Organic Chemistry starts becoming logic-based rather than memory-based, especially for reaction mechanisms, stability order and product prediction.

In this session, I — Krishna Kumar Sah (ChembyKKSir) — explain how carbon and hydrogen atoms are classified based on degree and position, and how the same logic applies across alcohols, alkyl halides, amines, alkenes, carbocations and free radicals.

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🧪 Topics Covered — Organic Chemistry Lecture 4

1️⃣ Degree of Carbon

• Meaning of degree of carbon
• Primary (1°), Secondary (2°), Tertiary (3°), Quaternary (4°) carbon
• Classification based on number of attached carbon atoms
• Importance in organic reactions

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2️⃣ Degree of Hydrogen

• Meaning of degree of hydrogen
• 1° H, 2° H, 3° H concept
• Relationship between degree of carbon and hydrogen
• Calculation of number of α-hydrogens

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3️⃣ α, β, γ, δ Carbon Concept

• Definition of α-carbon
• β, γ, δ carbon positions
• Functional group–based reference
• Importance in reaction mechanism

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4️⃣ α-Carbon with Respect to Different Species

• α-carbon with respect to functional group
• α-carbon with respect to alkene
• α-carbon with respect to carbocation
• α-carbon with respect to carbanion and free radical

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5️⃣ Classification of Organic Compounds Using Degree Concept

Alcohols
• Primary alcohol
• Secondary alcohol
• Tertiary alcohol

Alkyl Halides
• 1° alkyl halide
• 2° alkyl halide
• 3° alkyl halide

Amines
• Primary amines
• Secondary amines
• Tertiary amines

➡️ All classifications explained using carbon degree logic, not memorization.

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6️⃣ Reaction-Oriented Applications

• Stability of carbocation
• Stability of free radicals
• Prediction of major product
• Preparation for SN1, SN2, E1, E2 reactions

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📚 Organic Chemistry Roadmap (NCERT Aligned – Progress So Far)

✔ Introduction to Organic Chemistry
✔ Hybridization & Bonding
✔ Structural Representation
✔ Degree of Carbon & Hydrogen
✔ Classification of Alcohols, Alkyl Halides & Amines
✔ α-Carbon & α-Hydrogen Concept

(Upcoming: Isomerism, GOC, Reaction Mechanism, Hydrocarbons)

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🎯 Why This Lecture Is Extremely Important

This lecture:
✔ Builds reaction mechanism foundation
✔ Makes classification logical
✔ Helps in stability order questions
✔ Is heavily used in NEET MCQs

👉 Without α-carbon & degree clarity, Organic Chemistry becomes confusing.
👉 This lecture removes that confusion permanently.

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👩‍🎓👨‍🎓 Best For

• Class 11 NEET Aspirants
• Foundation Batch Students
• Students entering reaction mechanism phase
• Class 12 Students revising fundamentals

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👨‍🏫 Educator — ChembyKKSir

Krishna Kumar Sah
Senior Chemistry Faculty
Medical Head — EURO JEE-NEET, PCMC Pune
🧪 15+ Years of Teaching Experience
🎯 Mentor of NEET AIR 75 & JEE Advanced AIR 48

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🌐 Connect With Me

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