CBSE Class 12 Chemistry 2022 Term 1 Paper

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Question : 50
Total: 55
SECTION - C

Match the following:
   I    II
 (i)  Stoichiometric defects  (a)  Crystalline solids
 (ii)  Long range order  (b)  F-centres
 (iii)  ...АВВС АВС АВС....  (c)  Schottky and Frenkel defects
 (iv)  Number of atoms per unit cell =2  (d)  fcc structure
 (v)  Metal excess defect due to anionic vacancies    
Which of the following is the best matched options?
Solution:  
Schottky and frenkel defects are types of a S toichiometric defect. crystalline solids have Long range order in arrangement of constituent particles. Face-Centred Cubic (FCC) has ABC ABC ..... like pattern of Layers. F-centres formed in which metal excess defect,due to anionic vacanies.Read more on Sarthaks.com - https://www.sarthaks.com/2060575/match-the-following-which-of-the-following-is-the-best-matched-options
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