Module 4 0.0 / 5 ? ChemistryOrganicA2/A-levelOCR Created by: Alison136Created on: 16-01-18 23:09 Define homologous series A family of compounds with similar chemical properties whose successive members differ by the addition of a -Ch2 group 1 of 17 Write the general formula of Alkanes Cn H2n+2 2 of 17 Write the general formula of Alkenes Cn H2n 3 of 17 Write the general formula of alcohols Cn H2n+1 OH 4 of 17 Write the general formula of Carboxylic acids Cn H2n O2 5 of 17 Write the general formula of Ketones Cn H2n O 6 of 17 Define structural isomers Compounds with the same molecular formula but different structural formulae 7 of 17 Define functional group A group of atoms responsible for the characteristic reactions of a compound 8 of 17 Name the 2 types of structural isomers Isomers with the same functional groups and isomers with different functional groups 9 of 17 Define empirical formula Shows the simplest whole number ratio of atoms of each element in the compound 10 of 17 define covalent bonds A shared pair of electrons between 2 atoms 11 of 17 state the 2 types of covalent bond fission Homolytic fission and heterolytiuc fission 12 of 17 define Homolytic bond fission The breaking of a covalent bond, where one bonding electron goes to each atom, forming 2 radicals 13 of 17 Define Heterlytic bond fission The breaking of a covalent bond, where both bonding electrons go to one of the atoms, forming a cation and an anion 14 of 17 Define a radical A species with an unpaired electron 15 of 17 define sigma bond Is the result of the overlap of two orbitals, one from each bonding atom 16 of 17 what is the shape and bond angle of Alkanes Tetrahedral shape 109.5 , electron pairs repel. the sigma bonds act as axes around which the atoms can rotate freely 17 of 17
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