Werner's Theory | Coordination Compounds | CBSE | Rahul Panwar
EduBharat Gurukul
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Werner's Theory | Coordination Compounds | CBSE | Rahul Panwar
75 просмотров · 13 дн. назад
EduBharat Gurukul
886 подписчиков
75 просмотров · 13 дн. назад
Master Werner's Theory of Coordination Compounds in minutes! 🧪✨
In this video, we break down the foundational concepts of Werner's Theory formulated by Alfred Werner in 1893. If you are a Class 12, JEE, or NEET chemistry student, this video will simplify how complex compounds are structured and how central metals bind to ligands.
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📌 What You Will Learn in This Video:
• Primary vs. Secondary Valency: Understand the absolute difference between ionisable and non-ionisable bonds.
• Oxidation State & Coordination Number: How to easily find them using Werner’s postulates.
• Spatial Geometry: Discover how ligands arrange themselves to form definite shapes like octahedral, tetrahedral, and square planar geometries.
• Real-world Examples: Visualizing complexes like [Co(NH3)6]Cl3 step-by-step.
🧠 Summary of Werner's Key Postulates:
1. Primary Valency: It is ionisable, non-directional, corresponds to the metal's oxidation state, and is satisfied only by negative ions (counter ions).
2. Secondary Valency: It is non-ionisable, highly directional in space, matches the coordination number, and determines the overall shape/geometry of the coordination compound.
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