➡️Chapter 2 Solutions : https://youtu.be/e8cPTtEueC0 ➡️Free Notes:http://bit.ly/Class12ChemistrySolidStateNotes ➡️Free NCERT Solutions:http://bit.ly/Class12ChemistrySolidStateNcertSolutions ➡️Join Telegram:http://bit.ly/TelegramGroupForClass12 ➡️Ask Doubts:https://www.examfear.com/question/ Timestamps: 0:00 Introduction 0:45 Solid State 2:09 Solid States:Classification 2:37 Crystalline Solids 4:28 Amorphous Solids 6:08 Crystalline & Amorphous Solids 16:00 Amorphous or Crystalline 16:53 Crystalline Classification 18:44 What are molecular solids 18:59 Polar & Non-Polar molecule 21:42 Molecular solids:Non-Polar 23:37 Molecular solids: Polar 25:20 Molecular solids:Hydrogen bonded 27:23 Ionic Solids 29:00 Metallic Solids 31:19 Covalent Solids 32:17 Covalent Solids:Comparison 34:28 Crystal Lattice 36:07 Unit Cell 41:02 Primitive Unit cells 42:22 Bravais Lattice:Cubic 44:01 Bravais Lattice:Tetragonal 44:52 Bravais Lattice:Orthorhombic 45:53 Bravais Lattice:Hexagonal 47:23 Bravais Lattice:Rhombohedral 48:00 Bravais Lattice:Monoclinic 48:52 Bravais Lattice:Triclinic 49:27 Bravais Lattice:Examples 53:34 Number of atoms per unit cell 54:39 Number of atoms:Unit cell:Primitive 1:00:58 Number of atoms:Unit cell:BCC 1:02:49 Number of atoms:Unit cell:FCC 1:05:17 Number of atoms:Unit cell:End centred 1:06:18 Close Packed structure 1:07:57 Close Packing:1 Dimension 1:09:02 Close Packing:2 Dimension 1:11:58 Close Packing in 3Dimension 1:12:43 Close Packing in 3D:CCP 1:13:57 Close Packing in 3D:HCP 1:19:24 Close Packing in 3D:CCP 1:21:04 HCP & CCP 1:22:28 Number of voids filled 1:26:11 Formula of Compound 1:28:52 Problem 1 1:30:42 Closed pack structure:Packing efficiency 1:32:06 Packing efficiency:CCP & HCP 1:37:35 Packing efficiency:BCC 1:43:05 Packing efficiency:SCC 1:44:51 Volume of a Unit Cell 1:47:51 Problem 1 1:52:53 Problem 2 1:55:40 Defects 1:57:31 Stoichiometric defects 1:58:47 Vacancy Defect 1:59:36 Interstitial Defect 2:00:36 Frenkel Defect 2:01:46 Schottky Defect 2:03:37 Impurity Defect 2:06:23 Non-stoichiometric defects 2:07:12 Metal excess defects 2:12:58 Metal Deficiency defects In this video we will cover: 1.Ncert solutions class 12 chemistry solid state 2.NCERT class 12 chemistry chapter 1 solid state 3.What are crystalline solids? 4.What are amorphous solids? 5.Difference between crystalline and amorphous solids. 6.Difference between isotropic and anisotropic property of solids. 7.Different types of crystalline solids 8.Define ionic solids? 9. A compound is formed by two elements X and Y. Atoms of the element Y (as anions) make ccp and those of the element X (as cations) occupy all the octahedral voids. What is the formula of the compound? 10. Atoms of element B form hcp lattice and those of the element A occupy 2/3rd of tetrahedral voids. What is the formula of the compound formed by the elements A and B? 11. An element has a body-centred cubic structure with a cell edge of 288 pm. Density of element is 7.2 g/cm3. How many atoms are present in 208 g of element? 12. A compound forms hexagonal close-packed structure. What is the total number of voids in 0.5 mol of it? How many of these are tetrahedral voids? 13.What are defects in solids? 14.What are different category of defects? LearnoHub.comm (formerly called ExamFear Education) is a Free Education platform with more than 6000 videos on Physics, Chemistry, Maths, Biology, English, Science experiments, tips & tricks and motivational videos for Classes 6 to 12. Learn for Free! ➡️Website: http://www.learnohub.com ➡️Facebook: https://bit.ly/LearnoHubFB ➡️Instagram: https://bit.ly/LearnoHubInsta Get Our Videos in Pendrives: Class 12 - https://bit.ly/LHPenDrive12 Post your doubts here: https://www.examfear.com/question/ Join our Telegram Group: LearnoHub - 12: https://t.me/LearnoHub12 About the Teacher: Roshni Mukherjee, the Founder-Educator at LearnoHub has been building this free learning platform since 2011. She has been recognised as one of the 100 Women Achievers of India by the Ministry of Women & Child Development and felicitated by the President of India in 2016. Roshni has been invited by Google to speak at Global Education Symposium 2017 held at Google Headquarters, California. Limca Book of Records also recognized our work. Watch Roshni’s Tedx Talk to know more about her journey: https://www.youtube.com/watch?v=v2sW_… #LearnoHubChemistry #SabkoSamajhAayega #FREEhaiParBESThai #CBSEClass12Chemistry Join us and let us together build this Free Learning Platform! We will surely ensure that you enjoy the real learning with us. Copyright © All rights reserved. LearnoHub |
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