CHSE Odisha Elective Chemistry study plan

Write IUPAC names and formulas for at least 20 coordination compounds covering cationic, anionic and neutral complexes, bridging ligands and metals in variable oxidation states.

Distinguish ionization, hydrate, linkage, coordination, geometrical and optical isomerism, giving one worked example of each.

Draw octahedral and tetrahedral crystal-field splitting diagrams for at least 10 complexes and calculate their spin-only magnetic moments in Bohr magnetons.

Outline the laboratory preparation and five characteristic reactions each of potassium permanganate and potassium dichromate in acidic, basic and neutral media.

Explain lanthanoid contraction and its consequences for atomic radius, ionisation enthalpy and chemistry of later transition metals; list four lanthanoid–actinoid differences.

Classify given haloalkanes and haloarenes as primary, secondary, tertiary, allylic, benzylic or vinylic, and predict their relative reactivity.

Compare SN1, SN2, E1 and E2 pathways for named substrates, specifying rate law, stereochemical outcome, solvent and leaving-group effects.

Map the preparation and at least six reactions each for alcohols, phenols and ethers, including Lucas test, Victor Meyer test, Reimer–Tiemann, Kolbe and Williamson synthesis.

Explain why phenol is more acidic than alcohols and why haloarenes resist nucleophilic substitution, using resonance and hybridisation arguments.

Solve 15 named conversions involving halogenation, dehydrohalogenation, ether cleavage and aromatic substitution.

Describe the mechanism of nucleophilic addition to carbonyl compounds and rank aldehydes and ketones by reactivity toward HCN, bisulphite and Grignard reagents.

Write balanced equations for aldol condensation, Cannizzaro reaction, Clemmensen reduction, Wolff–Kishner reduction, haloform reaction and the Tollens, Fehling and Schiff tests.

Compare the acidity of substituted benzoic acids and aliphatic carboxylic acids, and outline HVZ reaction, decarboxylation and esterification.

Distinguish primary, secondary and tertiary amines by Hinsberg test and carbylamine test, and rank them by basicity in aqueous solution.

Outline diazonium salt preparation and four coupling or substitution reactions used to synthesise substituted aromatic compounds.

Summarise group trends in atomic radius, ionisation enthalpy, electronegativity and oxidation states across groups 15 to 18.

Explain the anomalous behaviour of nitrogen, oxygen, fluorine and phosphorus in terms of small size, high electronegativity and absence of d orbitals.

Draw structures and compare the acidic strengths of the oxoacids of phosphorus, sulphur and chlorine.

Describe the preparation of nitric acid by Ostwald process and sulphuric acid by contact process, listing conditions and three major uses of each.

Explain the bonding and shape of interhalogen compounds and noble gas fluorides, and account for the inert-pair effect.

Calculate packing efficiency, unit-cell dimensions and density for simple cubic, body-centred and face-centred cubic lattices.

Distinguish Schottky and Frenkel defects and explain how doping changes conductivity in intrinsic and extrinsic semiconductors.

Apply Raoult's law and van't Hoff factor to calculate vapour pressure lowering, boiling-point elevation, freezing-point depression and osmotic pressure for electrolyte solutions.

Use the Nernst equation to calculate electrode potential and cell emf for concentration cells and for cells with gas electrodes.

Apply Kohlrausch's law, Faraday's laws and conductance relationships to solve numerical problems on electrolysis and molar conductivity.

Determine order and rate constant from integrated rate laws for zero-, first- and second-order reactions, including graphical methods.

Apply the Arrhenius equation to calculate activation energy from two rate constants, and explain collision theory and the effect of a catalyst.

Distinguish physisorption from chemisorption by enthalpy, reversibility and multilayer formation, and apply the Freundlich isotherm.

Classify colloids, explain the Tyndall effect, Brownian movement and electrophoresis, and apply the Hardy–Schulze rule to compare coagulating power.

Describe the preparation and purification of colloids and the action of emulsifiers and surfactants.

Sequence the metallurgical steps of concentration, roasting, calcination, reduction and refining, and choose the correct step for a named ore.

Interpret an Ellingham diagram to decide the temperature range for reduction of an oxide by carbon or aluminium.

Explain van Arkel de Boer, Mond process, zone refining and electrolytic refining with the metal each is used for.

Classify carbohydrates, proteins, enzymes, vitamins and nucleic acids, and describe the primary and secondary structure of proteins.

Distinguish addition and condensation polymers, thermoplastic and thermosetting polymers, and explain the cleansing action of soaps and detergents.

Complete one full-length mock paper under timed conditions and mark it against the answer key.

Build an error log classifying every mistake as conceptual, calculation, equation-balancing or recall.

Re-teach the three weakest topics from the error log using the week 1–7 summary sheets.

Rehearse the 20 highest-frequency named reactions and 15 numerical formulas from memory.