Fajans' Rules and Covalent Character | JEE 2027 Chemistry (English)

Free notes + solved JEE problems for this lesson: https://rankdeterminant.com/go/yt-che... This chapter:    • The Octet Rule and Ionic Bonding | JEE Che...   All lessons of this unit:    • Chemical Bonding & Molecular Structure | J...   Fajans' rules explained: how a small, highly charged cation polarises an anion and gives an ionic bond some covalent character, polarising power and polarisability, why a pseudo-noble-gas d10 cation such as Cu+ polarises more, the effects on melting point, solubility, colour and hydrolysis, and two JEE-style solved problems on NaCl, MgCl2, AlCl3 and on CuCl. Chapters 0:00 Introduction 0:46 Polarisation: the cation pulls the anion's cloud 1:45 Rule 1: a small, highly charged cation 2:45 Rule 2: a large, highly charged anion 3:29 Rule 3: the cation's shell matters 4:31 More covalent character means... 5:19 Example 1: covalent character of NaCl, MgCl2, AlCl3 6:43 Example 2: why CuCl is more covalent than NaCl 8:10 Quick revision: small cation, large anion, d10 cation A free JEE paper every day and a full JEE Main mock every Sunday: https://rankdeterminant.com/go/yt-dai... Chemistry · Unit 3 · Chemical Bonding & Molecular Structure · Chapter 1 · The Octet Rule and Ionic Bonding #FajansRule #JEEChemistry #JEE2027 Narrated with a computer voice.