Hydrogen Bonding in Water, HF and NH3 | JEE 2027 Chemistry (English)
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Hydrogen Bonding in Water, HF and NH3 | JEE 2027 Chemistry (English)
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All lessons of this unit: • Chemical Bonding & Molecular Structure | J...
What a hydrogen bond is and when it forms (H on F, O or N), the strength order F–H···F O–H···O N–H···N, why water boils at 100 °C but H2S at −60 °C, why ice floats, carboxylic acid dimers, intramolecular hydrogen bonding in o-nitrophenol, and two solved examples with the HCl and HF traps.
Chapters
0:00 Introduction
0:37 What is a hydrogen bond?
1:39 Which hydrogen bond is the strongest?
2:22 Boiling point, viscosity and solubility
3:28 Intermolecular and intramolecular
4:53 Water and ice
5:43 Example 1: which of CH4, NH3, HCl, H2O, HF form H-bonds
6:42 Example 2: boiling points of H2O, HF and NH3
7:57 Quick revision: H-bond rule, b.p., H-bonds per molecule
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Chemistry · Unit 3 · Chemical Bonding & Molecular Structure · Chapter 6 · Hydrogen, van der Waals and Metallic Bonds
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Narrated with a computer voice.