AS Chemistry Definitions OCR B
- Created by: Suhedul
- Created on: 08-11-13 08:59
Homologous series – series having the same functional group and general formula
Saturated – single bonds
Unsaturated – double bonds
Skeletal – shows only C skeleton
Structural Isomer – same molecular formula, different arrangement of atoms
Stereo isomer - same molecular formula, different spatial arrangement of atoms
Homolytic fission – bond breaking where one e- from the bond goes to each atom forming radicals
Heterolytic fission – bond breaking where both electrons in the bond go to one atom forming ions
Free radical – species with unpaired e-
Nucleophile – donates a pair of e- to a S+ carbon forming a covalent bond
Electrophile – accepts a pair of e- from e- rich centre to form a covalent bond.
Addition reaction – reactant being added to an unsaturated molecule
Substitution reaction – where an atom or group is replaced with another atom or group in s…
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