Osmotic pressure can be increased by
Options
(a) increasing volume (b) increasing temperature (c) decreasing temperature (d) none of these
Correct Answer:
increasing temperature
Explanation:
No explanation available. Be the first to write […]
In Zinc blende structure, the coordination number of the cation is
Options
(a) 4 (b) 6 (c) 8 (d) 12
Correct Answer:
4
Explanation:
No explanation available. Be the first to write the […]
Schottky defect generally appears in
Options
(a) NaCl (b) KCl (c) CsCl (d) all of these
Correct Answer:
all of these
Explanation:
No explanation available. Be the first to write the explanation for […]
certain crystals produce electric signals on application of pressur.This phenomenon is called
Options
(a) pyroelecricity (b) ferroelectricity (c) piezoelectricity (d) ferrielectricity
Correct Answer:
piezoelectricity
Explanation:
No explanation available. Be the first to write […]
In a cubic cell,the contribution of an atom at a face of the unit cell is
Options
(a) ½ (b) 1 (c) 2 (d) 3
Correct Answer:
½
Explanation:
No explanation available. Be […]
The coordination number of an atom in the simple cubic unit cell in a crystal lattice is
Options
(a) 3 (b) 2 (c) 4 (d) 6
Correct Answer:
6
Explanation:
No explanation available. […]
The coordination number of Na⁺ in NaCl is
Options
(a) 6 (b) 8 (c) 4 (d) 1
Correct Answer:
6
Explanation:
No explanation available. Be the first to write the explanation for this […]
The Ca²⁺ and F⁻ are located in CaF₂ crystal,respectively at face centred cubic lattic points and in
Options
(a) tetrahedral voids (b) half of tetrahedral voids (c) octahedral voids (d) half of octahedral […]
Which one of the following dfects in the crystals lowers its density
Options
(a) Frenkel defect (b) Schottky defect (c) f-centres (d) Interstitial defect
Correct Answer:
Schottky defect
Explanation:
No explanation available. Be […]
A unit cell of sodium chloride has four formula units.The edge length of the unit cell is 0.564 nm.What is the density of sodium chloride
Options
(a) 1.2 g/cm³ (b) 2.16 g/cm³ (c) […]
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