BCS Written Chemistry study plan

Draw and name 25 organic structures covering alkanes, alkenes, alkynes, aromatics, and functional-group families, writing IUPAC names and structural formulas for each.

Write out the full curly-arrow mechanism for 10 named reactions (SN1, SN2, E1, E2, electrophilic aromatic substitution, nucleophilic acyl substitution) and label every intermediate and rate-determining step.

Build a one-page decision chart that predicts substitution versus elimination products from substrate class, nucleophile/base strength, solvent, and temperature, and test it on 5 fresh problems.

Explain how inductive effects, resonance, hyperconjugation, and steric hindrance control carbocation stability and regioselectivity, citing at least 6 worked examples.

Plan retrosynthetic routes to 8 target molecules using disconnection logic, identifying synthons and at least two viable routes for each.

Compare oxidation and reduction reagents (KMnO4, PCC, LiAlH4, NaBH4, H2/Pd, DIBAL-H) by showing what each does to 6 specific functional groups.

Predict products for 20 carbonyl-chemistry reactions, including Grignard additions, aldol condensations, Claisen condensations, and ester hydrolysis.

Assemble a reagent-selection table of 15 transformations with the preferred reagent, conditions, and common side reactions.

Solve 15 first-law thermodynamics problems computing enthalpy, entropy, Gibbs free energy, and spontaneity, showing full working for each.

Derive and apply the integrated rate laws for zero-, first-, and second-order reactions to 10 kinetic data sets, determining order from graphical or half-life evidence.

Calculate cell potentials from standard reduction potentials and apply the Nernst equation to 6 non-standard concentration cells.

Sketch and interpret energy profiles, Arrhenius plots, and electrochemical cells, annotating activation energy, transition state, and electron flow.

Apply the Arrhenius equation to calculate activation energy and rate constants from temperature-dependent data for 5 reaction systems.

Solve 10 equilibrium and acid-base problems using Ka, Kb, pH, buffers, and the Henderson-Hasselbalch equation.

Explain the thermodynamic and kinetic basis of a chosen industrial process, connecting Gibbs free energy, equilibrium position, and catalyst choice.

Complete a timed 20-question mixed physical-chemistry quiz under exam conditions and mark it against the answer key.

Assign oxidation states, coordination numbers, and geometry for 20 coordination complexes, including geometric and optical isomerism.

Apply crystal field theory and ligand field theory to explain colour, magnetic moment, and high- versus low-spin behaviour in 10 complexes.

Predict and justify the relative stability, lability, and substitution pathways (associative versus dissociative) of 6 complexes.

Summarize the characteristic reactions and oxidation-state trends of first-row transition metals across the series.

Write electron configurations for 20 atoms and ions, including exceptions, and derive the four quantum numbers for their valence electrons.

Rank 10 sets of species by atomic radius, ionization energy, electron affinity, and electronegativity, justifying each order with periodic trends.

Predict molecular geometry and polarity for 15 molecules using VSEPR, hybridization, and molecular orbital theory where relevant.

Explain how bonding models account for the properties of at least 5 real materials, including one ionic solid, one covalent network, and one metal.

Interpret simulated spectra and chromatograms (IR, UV-Vis, NMR, AAS, GC/HPLC) and identify the technique and structural or compositional conclusion for 10 cases.

Explain the principles, calibration, detection limits, and interferences of 6 instrumental methods used in environmental monitoring.

Calculate pollutant concentrations in ppm, mg/L, and molar units and compare them with regulatory limits for 5 scenarios.

Describe the chemistry behind at least 5 industrial processes and their environmental controls, such as scrubbing, catalysis, and effluent treatment.

Explain the chemistry of at least 4 major Bangladeshi industries (for example fertilizer, cement, ceramics, and textiles) including key reactions and feedstocks.

Describe soil-chemistry and fertilizer-management principles relevant to Bangladeshi agriculture, including nitrogen transformations and pH effects.

Analyze a public-health chemistry issue such as arsenic contamination of groundwater, outlining sources, speciation, detection, and mitigation.

Complete two full-length timed mock exams covering all eight domains and review every incorrect answer with a written correction.