Which one of the following compounds exhibit both schottky and frenkel defects
Options
(a) NaCl (b) AgCl (c) AgBr (d) AgI
Correct Answer:
AgBr
Explanation:
No explanation available. Be the first to write […]
Cation and anion combines in a crystal to form following types of compound
Options
(a) ionic (b) metallic (c) covalent (d) dipole-dipole
Correct Answer:
ionic
Explanation:
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Each unit cell of NaCl consists of 6 chlorine atoms and
Options
(a) 13 Na atoms (b) 14 Na atoms (c) 8 Na atoms (d) 6 Na atoms
Correct Answer:
6 Na atoms
In crystals of which one of the following ionic compounds would you expect maximum distance between centres of cations and anions
Options
(a) CsI (b) CsF (c) LiF (d) LiI
Correct Answer:
CsI
The crystal structure of NaCl is
Options
(a) scc (b) bcc (c) fcc (d) either (b) or (a)
Correct Answer:
fcc
Explanation:
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For two ionic solids CaO and KI, identify the wrong statements among the following
Options
(a) CaO has high melting point (b) lattice energy of CaO is much larger than that of KI […]
The limiting radius ratio for tetrahedral shape is
Options
(a) 0 to 0.153 (b) 0.225 to 0.414 (c) 0.155 to 0.225 (d) 0.414 to 0.732
Correct Answer:
0.225 to 0.414
Explanation:
No explanation […]
The fcc crystal contains how many atoms in each unit cell
Options
(a) 6 (b) 8 (c) 4 (d) 5
Correct Answer:
4
Explanation:
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Number of chloride ions around a single sodium ion in NaCl crystal is
Options
(a) 3 (b) 4 (c) 6 (d) 8
Correct Answer:
6
Explanation:
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In tetragonal crystal system, which of following is not true
Options
(a) All axial lengths and all axial angles are equal (b) All three axial lengths are equal (c) All three axial angles […]
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