Web10 jul. 2024 · Schottky defect in crystals is observed when (a) an ion leaves its normal site and occupies an interstitial site (b) unequal number of cations and anions are missing from the lattice (c) density of the crystal increases (d) equal number of cations and anions are missing from the lattice Answer Question. Web6 sep. 2014 · SCHOTTKY DEFECT Pair of anion and cation vacancies In order to maintain electrical neutrality, the number of missing cations and anions are equal It also decreases the density of crystal E.g. Alkali halides such as NaCl, KF, etc. 8. FRENKEL DEFECTS Cation (being smaller get displaced to interstitial voids Combination of vacancy and …
MCQ Questions for Class 12 Chemistry Chapter 1 The Solid State …
WebEM CHAPTER 2: IMPERFECTION IN CRYSTAL SOLID questions & answers for quizzes and worksheets - Quizizz Find and create gamified quizzes, lessons, presentations, and … Web21 mrt. 2024 · Latest Metal Casting MCQ Objective Questions Metal Casting Question 1: In a metal casting process to manufacture parts, both patterns and moulds provide shape by dictating where the material should or should not go. Which of the option (s) given correctly describe (s) the mould and the pattern? dot and key india
Crystal defect Definition, Types, & Facts Britannica
Web17 jul. 2024 · MCQs based on class 12 chemistry chapter 1 solid state. MCQ Questions for Class 12 Chemistry are prepared by the subjects experts according to the latest pattern. … Web23 jun. 2011 · How do you identify a crystal system using lattice parameter. – 2 marks. c)Show the direction of crystal along (0, ½, 1) on a simple cubic. lattice - 2 marks. d)Draw the BCC Tetragonal lattice and mention the lattice. parameters - 2 marks. e)Determine the side of the body centered unit cell if the radius of atom is. Web13 jun. 2024 · Schottky defect is observed in crystals when (a) some cations move from their lattice site to interstitial sites (b) equal number of cations and anions are missing from the lattice (c) some lattice sites are occupied by electrons (d) some impurity is present in the lattice Solution: (b) Question 19. city of spokane bid opportunities