Position in the periodic table General introduction, electronic configuration, characteristics of transition metals (d-block) – variation in atomic and ionic size.
Electronic Configurations of the d-Block Elements Electronic configuration of 3d series elements
General Properties of the Transition Elements(d-Block) General trends in properties of the first-row transition metals (3d series) – metallic character, ionization enthalpies, oxidation states, magnetic properties, colour, catalytic properties, formation of interstitial compounds, alloy formation. Potassium dichromate: preparation from chromite ore (FeCr2O4). Properties – oxidizing property –interconversion of chromates and dichromates in aqueous solution depending on pH. Potassium permanganate: Preparation from MnO2 by fusion with KOH and acidification. Properties-action of heat, oxidising property- oxidation in acidic medium, in neutral / alkaline medium.
Some Important Compounds of Transition Elements Oxides and Oxoanions of Metals
The Lanthanoids Lanthanoids-electronic configuration, atomic size- lanthanoid contraction and its consequences, oxidation states, chemical reactivity –general characteristics.
The Actinoids Electronic configuration, ionic size – actinoid contraction – compared to lanthanoid contraction, oxidation states– general characteristics compared with lanthanoids.
Some Applications of d and f Block Elements Some Applications of d and f Block Elements