This
course of Analytical Chemistry aims to give to the students the essential of
theoretical and practical foundations for quantitative analysis of chemical
reactions in solution.
Indicative Contents
Introduction: (i) The nature of analytical chemistry, the role of analytical chemistry in the sciences; (ii) Classification of quantitative methods of analysis; (iii) Steps in a typical quantitative analysis ; (iv) Sampling and sample preparation, standardization and calibration; (v) Aqueous solution equilibrium: generalities, the equilibrium state, LeChatelier Principle, activity and activity coefficient, Debye Huckel; (vi) Errors in chemical analysis: definition of terms, types of errors in experimental data: systematic errors, random errors,; sources of errors, the statistical treatment of random errors, the standard deviation of computed result, methods for reporting computed data; significant figures.
Acid-base reactions : (i) Strong acids and strong bases ; (ii) Weak acids and weak bases ; (iii) Bronsted formula for acid-base couple; (iv) pH calculation of diluted acids and bases solutions; (v) Species distribution diagrams of acido – basic species in function of pH; (vi) Acid base titration : Titration curves for strong acids and strong bases; Titration curves for weak acids and weak bases; Titration curves for polyfonctional acids and bases ; Application of acid base titrations ; Example: Kjeldhahl method
Complexation reactions: (i) Properties of metal cations and ligands; (ii) Complexation coefficient of a cation; (iii) Influence of acidity on complexation coefficient; (iv) Intervention of protonated complexes; (v) Cumulative complexation coefficient; (vi) Conditional stability constants and complexometric titration
Complex formation titrations: (i) Titrations with amino-carboxylic acids; (ii) Titration with inorganic complexing agents
Redox reactions: (i) NERNST Equation; (ii) Conditional redox potential of metallic systems involving H+ ions; (iii) Conditional redox potential of metallic systems in the presence of complexing agents; (iv) Exploitation of the variation of conditional properties of redox systems by selective oxidation or reduction: application to the redox titration; (v) Oxydo-reduction titrations: Titration with Cerium ions; Titration with Dichromate ions; Titration with Permanganate ions; Titration with Thiosulfate ions
Precipitation reactions: (i) Solubilization of slightly soluble molecules having acido-basic properties; (ii) Solubilisation by complexation effect; (iii) Solubilization of metallic ions in case where the compound is insoluble hydroxide; (iv) Precipitation and solubilization of slightly soluble salts , (v) Precipitation titrations: Inorganic precipitating agents, Organic precipitating agents, Argentometric methods of analysis (Basic principle, Mohr method, Volhard Method, Fajan’s method)The module deals with the nomenclature, physical and chemical properties, preparation methods of hydrocarbons, oxygenated organic compounds, nitrogenous organic compounds and aromatic compounds.
This module aims to teach organic compounds comprising aliphatic compounds and aromatic compounds. The bulk of the course will consist of studying the properties and chemical reactions of the main functional groups of organic compounds, highlighting the practical importance of organic compounds in our daily life.
Brief description of aims and content
This module will focus on the study of Chemical bonding, Hybridization and Molecular geometry, Molecular orbitals as well as properties and reactions of various chemical elements.
Graduate Attributes & Learning Outcomes
Knowledge and Understanding
Having successfully completed this module, students should be able to demonstrate knowledge and understanding of:
- Chemical Bonding and properties;
- Molecular Geometry: molecular shapes, VSERP model, and Hybrides
- Atomic and molecular orbitals;
Cognitive/Intellectual skills/Application of Knowledge
Having successfully completed this module, students should be able to:
- Write the electron configuration in the ground state of an element and an ion, Characterize and schematize the boundary surfaces of the orbital s, p and d, Identify and explain the relationship of each of four quantum numbers with electrons properties in orbital, explain the hybridization of atomic orbital
Communication/ICT/Numeracy/Analytic Techniques/Practical Skills/Information Literacy
Having successfully completed this module, students should be able to:
5. Identify a compound given by the appropriate tests.
6. Synthesize compounds of the elements covered in this module and analyze their properties.
7. Analyze qualitatively and quantitatively the compounds of the elements seen in this module.
This module aims to teach organic compounds. The bulk of the course will consist in studying the properties and chemical reactions of the main functional groups of organic compounds, in familiarizing ourselves with some important molecules in biology.