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Organic Chemistry: Some Basic Principles and Techniques — Syllabus

ICSE · Class 11 · Chemistry

What Organic Chemistry: Some Basic Principles and Techniques covers in ICSE Class 11 Chemistry: 4 topics, for the 2026-27 session.

63 questions60 flashcards3 formulas & key relations5 concepts

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A step-by-step mechanism illustrating the nucleophilic addition of HCN to a carbonyl compound (e.g., acetone), showing the polarization of the C=O bond and the attack of the nucleophile.
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4 Topics · ICSE Class 11 Chemistry · 2026-27

Topics in Organic Chemistry: Some Basic Principles and Techniques

1

1. Basic idea of organic chemistry

  • More than five million organic compounds of carbon are known.
  • Organic compounds are mainly covalent, while inorganic compounds are generally ionic.
  • Berzelius defined organic compounds as compounds derived from living organisms.
2

2. Why carbon forms so many compounds

  • Carbon shows catenation, multiple bonding, and isomerism.
  • Catenation is the ability of atoms to link with one another by stable covalent bonds to form straight chains, branched chains, or rings.
  • Carbon shows catenation to the maximum extent because of strong C-C bonds and tetracovalency.
3

3. Classification of organic compounds and homologous series

  • Organic compounds can be open chain or closed chain.
  • Open chain compounds are also called acyclic or aliphatic compounds.
  • Closed chain compounds are cyclic compounds.
4

4. Representation of organic compounds and IUPAC nomenclature

  • Organic compounds may be represented by molecular formula, structural formula, condensed structural formula, bond line notation, and polygon formulae.
  • In bond line notation, carbon and hydrogen atoms are not shown; only bonds are shown.
  • In polygon formulae, each corner of the polygon represents a carbon atom.

Key Concepts

Central concept: Organic chemistry as the study of carbon compounds, their structure, naming, properties, reactions, and methods of analysis

Birth of organic chemistryWhy carbon forms so many compoundsStructure and bonding in carbon compoundsClassification of organic compoundsRepresentation of organic compoundsHydrocarbons and functional groupsHomologous seriesIUPAC nomenclature

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Frequently Asked Questions

What are the important topics in Organic Chemistry: Some Basic Principles and Techniques for ICSE Class 11 Chemistry?
Key topics in Organic Chemistry: Some Basic Principles and Techniques include Basic idea of organic chemistry, Why carbon forms so many compounds, Classification of organic compounds and homologous series, Representation of organic compounds and IUPAC nomenclature. Study these first, then practise questions on each for Class 11 exams.
How should I revise Organic Chemistry: Some Basic Principles and Techniques for Class 11 exams?
Learn the core ideas first, then work through the 63 practice questions on Organic Chemistry: Some Basic Principles and Techniques. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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