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Complete Reaction Map | Organic Chemistry | SM-Educate

Complete Reaction Map | Organic Chemistry | SM-Educate
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CS-991 · Module E-3

Complete Reaction Map

Exam Preparation Hub

🗺️ Ethanol → Ethene → Ethyne → Ethanal Chain

StepReactantReagent / ConditionProduct
1Ethanol (C₂H₅OH)Conc. H₂SO₄, heat (dehydration)Ethene (C₂H₄)
2Ethene (C₂H₄)Br₂ (addition), then alcoholic KOH ×2 (double dehydrohalogenation)Ethyne (C₂H₂)
3Ethyne (C₂H₂)H₂O, Hg²⁺/H₂SO₄ (Markovnikov hydration)Ethanal (CH₃CHO)

🔄 Common Conversion Chains (Class XI-XII)

StartReagentEnd ProductReaction Type
Alkyl Halide (R-X)Alcoholic KOHAlkeneElimination (E2)
AlkeneHBr (Markovnikov)Alkyl HalideElectrophilic Addition
Alcohol (R-OH)PCl₃ / SOCl₂Alkyl HalideSubstitution
AlcoholOxidation (K₂Cr₂O₄)Aldehyde / KetoneOxidation
AldehydeFurther OxidationCarboxylic AcidOxidation
Carboxylic AcidAlcohol + H₂SO₄ (cat.)EsterEsterification
Aromatic Amine (Ar-NH₂)NaNO₂ + HCl, 0-5°CDiazonium SaltDiazotization
Diazonium SaltCuCl / CuBr / CuCNAryl Halide / NitrileSandmeyer Reaction

💡 How to Use This Map

Board exams frequently ask "convert X to Y in n steps" style questions. Practice tracing a path through this map from any starting compound to any target compound — identifying the correct reagent for each arrow is usually worth more marks than memorizing the final answer alone.

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