Organic Chemistry 1.0 / 5 based on 1 rating ? ChemistryOrganic ChemistryA2/A-levelOCR Created by: charleyCreated on: 11-09-18 11:20 Homologous series A family of compounds with similar chemical properties with each successive member differing by CH2. 1 of 13 Functional group The part of the organic molecule responsible for its chemical reactions/properties. 2 of 13 Aliphatic Containing carbon atoms joined in straight or branched chains. 3 of 13 Alicyclic Containing carbon atoms joined in a ring structure 4 of 13 Aromatic Contains a benzene ring. 5 of 13 Homolytic fission The breaking of a covalent bond with one of the bonded electrons going to each atom, forming two radicals. 6 of 13 Heterolytic fission The breaking of a covalent bond with both of the electrons going to one of the atoms, forming a cation and an anion. 7 of 13 Radical An atom or group of atoms with an unpaired electron. 8 of 13 Addition reaction Where two reactants join together to form one product. 9 of 13 Substitution reaction Where an atom or a group of atoms is replaced by a different atom or group of atoms 10 of 13 Elimination reaction Where a small molecule is removed from a larger one. 11 of 13 Electrophile An electron pair acceptor. An atom or group of atoms which are attracted to an electron-rich centre or atom. 12 of 13 Nucleophile An electron pair donor. An atom or group of atoms which are attracted to an electron-deficient centre or atom. 13 of 13
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