Polarity of Organic CompoundsPolarity ofOrganic CompoundsPrinciples of Polarity:The greater the electronegativity difference betweenatoms in a bond, the more polar the bond. Partial negative chargesare found on the most electronegative atoms, the others are partiallypositive.
Solvent Polarity Chart Relative Polarity Compound Formula Group Representative Solvent Compounds Nonpolar R - H Alkanes Petroleum ethers, ligroin, hexanes Increasing Polarity Ar - H Aromatics Toluene, benzene R - O - R Ethers Diethyl ether R - X Alkyl halides Tetrachloromethane, chloroform R - COOR Esters Ethyl acetate R - CO - R Aldehydes.
Examples of Solubility ParametersExamples of Solubility Parameterstaken from 'Solubility of Polymers', Encyclopedia of Polymer Technology,2nd.