Structure, bonding and reactions in organic chemistry

Organic molecules are described more commonly by drawings or structural formulas, combinations of drawings and chemical symbols.Lewis structures simplest model, additionally referred to as Lewis-dot diagrams, show the bonding relationship between atoms of a molecule and therefore the lone pairs of electrons within the molecule. Lewis structures also can be helpful in predicting molecular pure mathematics in conjunction with hybrid orbitals Resonance structures are used once one Lewis structure for ionic bonding one molecule cannot absolutely describe the bonding that takes place between close atoms relative to the empirical knowledge for the particular bond lengths between those atoms. Organic reactions are chemical reactions involving organic compounds. The basic organic chemistry reaction types are addition reactions, elimination reactions, substitution reactions, pericyclic reactions, rearrangement reaction, photochemical reactions and redox reactions. In organic synthesis, organic reactions are used in the construction of new organic molecules. The production of many man-made chemicals such as drugs, plastics, food additives, fabrics depend on organic reactions.Major reactions involved are free radical free-radical reaction is any chemical reaction involving free radicals. This reaction type is abundant in organic reactions. Rearrangement reaction is a broad class of organic reactions where the carbon skeleton of a molecule is rearranged to give a structural isomer of the original molecule.Often a substituent moves from one atom to another atom in the same molecule. In the example below the substituent R moves from carbon atom 1 to carbon atom 2.

Organic molecules are described more commonly by drawings or structural formulas, combinations of drawings and chemical symbols. The line-angle formula is simple and unambiguous. Organic reactions are chemical reactions involving organic compounds. Many of these reactions are associated with functional groups. The general theory of these reactions involves careful analysis of such properties as the electron affinity of key atoms, bond strengths and steric hindrance.

  • Hydrolysis and condensation reaction
  • Free radical and rearrangement reaction
  • Hydrolysis reaction
  • Ionic reaction
  • Lewis structure: simplest model
  • Quantum mechanical model
  • Refined model: valence bond theory

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