17 Co-Ordination Compounds
Introduction to co-ordination compounds, Werner’s theory; ligands, coordination number, denticity,
chelation; IUPAC nomenclature of mononuclear coordination compounds, isomerism; Bonding-Valence bond approach and basic ideas of Crystal field theory, colour and magnetic properties; Importance of coordination compounds (in qualitative analysis, extraction of metals and in biological systems).
1. Which of the following exists as covalent crystals in the solid state ?
(1) Iodine (2) Silicon (3) Sulphur (4) Phosphorus (2013)
Silicon exists as covalent crystals in the solid state.
Introduction to Coordination Compounds