Electronic configurations and general trends in properties, viz. atomic sizes, ionization enthalpies, electronegativity values, electron gain enthalpies and oxidation states across the periods and down the groups in the p-block.
Unique behaviour of the top element in each group of the block – the covalency limit and the pp – pp overlap in some molecules (e.g. N2, O2) and its consequences; general trend in catenation tendency down each group.
Group-wise study of the p-block Elements
Group 13 – In addition to the general characteristics as outlined above, properties and uses of aluminium, nature of hydrides/ halides and oxides; Properties, structures and uses of diborane boron halides, aluminium chloride, borax, boric acid and alums.
Group 14 – In addition to the general characteristics; carbon – catenation, allotropic forms (diamond and graphite), properties and structures of oxides; silicon – silicon tetrachloride, and structures and uses of silicates, silicones and zeolites.
Group 15 – In addition to the general characteristics, the general trends in the nature and structures of hydrides, halides and oxides of these elements. Preparation and properties of ammonia, nitric acid, phosphine and halides of phosphorus, structures of the oxoacids of phosphorus.
Group 16 – In addition to the general characteristics, preparations, properties and uses of dioxygen, simple oxides, ozone; sulphur – allotropic forms, compounds of sulphur, preparation, properties and uses of sulphur dioxide and sulphuric acid, industrial preparations of sulphuric acid, structures of oxoacids of sulphur.
Group 17 – In addition to the general characteristics, occurrence, trends in physical and chemical properties, oxides and oxoacids of halogens (structures only), preparation, properties and uses of chlorine and hydrochloric acid, trends in the acidic nature of hydrogen halides. Interhalogen compounds (structuresonly).
Group 18 – General introduction, electronic configurations, occurrence, trends in physical and chemical properties and uses, – fluorides and oxides of xenon (structures only).
Unit :19 The d-and f-Block elements
General introduction, electronic configuration, occurrence and characteristics of transition metals, general trends in properties of the first row transition metals –physical properties, ionization enthalpy, oxidation states, ionic radii, colour, catalytic property, magnetic property, interstitial compounds, alloy formation; preparations and properties of K2Cr2O7 and KMnO4.
Lanthanoids – Electronic configuration and oxidation states, chemical reactivity and lanthanoid contraction.
Actinoids – Electronic configuration and oxidation states.
Unit :20 Coordination compounds
Introduction to ligands, coordination number, colour, magnetic properties, and shapes; IUPAC – nomenclature of mononuclear coordination compounds, isomerism , bonding-valence bond approach to the bonding and basic ideas of Crystal Field Theory, colour and magnetic properties. Elementary ideas of metal – carbon bonds and organometallic compounds, importance of co-ordination compounds (in qualitative analysis, extraction of metals and biological systems).
Unit :21 Some basic principles of Organic Chemistry
– Tetravalence of carbon, hybridization ( s and p ), shapes of simple molecules, functional groups:-C=C-, -CC-and those containing halogens, oxygen, nitrogen and sulphur; homologous series, isomerism.
– General introduction to naming organic compounds-trivial names and IUPAC nomenclature.
– Electronic displacement in a covalent bond; inductive effect, electromeric effect, resonance and hyperconjugation. Fission of covalent bond: free radicals, electrophiles and nucleophiles, carbocations and carbonanions.