CBSE Class 12 Chemistry 2022 Term 1 Paper

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?

(i)- (d), (ii)-(a), (iii)-(b), (iv)-(c)
(i)-(c), (ii)-(a), (iii)-(d), (v)-(b)
(i)-(c), (ii)-(a), (iii)-(d), (iv)-(b)
(i)-(a), (ii)-(b), (v)-(c), (iv)-(d)

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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