𝟎𝟖 - 𝐂𝐨𝐦𝐩𝐥𝐞𝐱 𝐟𝐨𝐫𝐦𝐚𝐭𝐢𝐨𝐧 𝐭𝐢𝐭𝐫𝐚𝐭𝐢𝐨𝐧 & 𝐄𝐃𝐓𝐀 𝐜𝐨𝐦𝐩𝐥𝐞𝐱𝐨𝐦𝐞𝐭𝐫𝐢𝐜 𝐭𝐢𝐭𝐫𝐚𝐭𝐢𝐨𝐧

Mostafa El-Naggar (M.Sc) Assistant Lecturer of Analytical Chemistry Faculty of Science, Alexandria University, Egypt This lecture provides a comprehensive academic overview of complex formation titrations, with a primary focus on EDTA complexometric titration, a widely used method in quantitative analysis of metal ions. 📘 Lecture Objectives: • Define and explain the principles of complexometric titration • Understand the role of chelating agents, particularly ethylenediaminetetraacetic acid (EDTA) • Discuss metal-ligand complex stability. • Explore the stoichiometry of complex formation reactions. 🔬 This lecture is suitable for: • Undergraduate students in pharmaceutical sciences, chemistry, and environmental science • Learners preparing for practical or theoretical examinations in analytical chemistry • Anyone seeking a deeper understanding of quantitative metal ion analysis This lecture covers the following points: 00:00 Introduction and Complex Formation Titration 09:08 ligand definition and Classification of the ligands 17:44 Titration curves in compleximetric titrations 19:38 Factors affecting the magnitude of the break in the titration curve 23:49 Titration of copper(II) against ammonia 30:53 Titration of copper(II) against polydentate ligand, trien. 32:45 Titration curve of Cu2+ against trien and NH3 35:10 The difference between complexometry and compleximetry 37:01 Titration involving unidentate ligands (compleximetric titration) 39:03 Liebig’s method (Argentometric titration of cyanide) 46:00 Deniges Modification (Modification of Liebig’s method) 49:18 Mercurimetric Titration 52:24 Titrations with multidentate Ligands 53:59 Ethylene Diamine Tetra Acetic acid (EDTA) and its properties 01:11:36 Factors affecting stability of the metal-EDTA complexes -Effect of pH -Nature of the metal ion 01:16:18 EDTA Complexometric Titration Curves. 01:34:28 Factors affecting the shape of the titration curves in complexometric reactions (metal EDTA chelates) 1- The stability constant of the complex 2- The effect of pH For Contact: 📍 Facebook personal account:   / mostafa.elnaggar.14224   📍 Youtube channel:    / @mostafanaggar-ie4jn   📍 Email address: mostafa.elnaggar@alexu.edu.eg 📍 Mobile (Whatsapp): +20 10 12463029