1
AP EAPCET 2022 - 4th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

Match List I with List II.

List - I
(Defects)
List - II
(Examples)
(A) Frenkel defects (I) FeO
(B) Schottkey defects (II) NaCl
(C) Vacancy defects (III) AgCl
(D) Metal deficiency defects (IV) Crystals with vacant lattice sites.

A
A - IV, B - III, C - II, D - I
B
A - III, B - II, C - IV, D - I
C
A - I, B - II, C - III, D - IV
D
A - II, B - III, C - IV, D - I
2
AP EAPCET 2022 - 4th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following solids is not a molecular solid?

A
HCl
B
$$\mathrm{H}_2 \mathrm{O}$$
C
$$\mathrm{CCl}_4$$
D
$$\mathrm{SiO}_2$$
3
AP EAPCET 2022 - 4th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

The number of network solids and ionic solids in the list given below is respectively. $$\mathrm{H}_2 \mathrm{O}$$ (ice), $$\mathrm{AlN}, \mathrm{Cu}, \mathrm{CaF}_2$$, diamond, MgO , $$\mathrm{CCl}_4, \mathrm{ZnS}, \mathrm{Ag}, \mathrm{NaCl}, \mathrm{SiO}_2$$

A
3, 3
B
3, 4
C
4, 4
D
4, 3
4
AP EAPCET 2022 - 4th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

If molten NaCl contains $$\mathrm{SrCl}_2$$ as impurity, crystallisation can generate

A
anionic vacancies
B
cationic vacancies
C
metal excess defects
D
metal deficiency defects
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