Question

Match the following:

	I		II
(i)	Stoichiometric defects	(a)	Crystalline solids
(ii)	Long range order	(b)	F-centres
(iii)	...ABC ABC ABC...	(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?

विकल्प

• (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)

Answer 1

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

Explanation:

	I		II
(i)	Stoichiometric defects	(c)	Schottky and Frenkel defects
(ii)	Long range order	(a)	Crystalline solids
(iii)	...ABC ABC ABC...	(d)	fcc structure
(v)	Metal excess defect due to anionic vacancies	(b)	F-centres