Structure and Bonding in Phosphonium Ylides, Salts and Phosphoranes Preparation, Properties and Reactions of Phosphonium Salts Preparation, Properties and Reactions of Phosphoranes Structure, Bonding and Spectroscopic Properties of Phosphonium Ylides Electrochemistry of Phosphonium Salts, Phosphoranes and Ylides Chemical Analysis of Organophosphorous Compounds.