Solid State  MCQs

MCQs of Solid State

Showing 111 to 120 out of 151 Questions
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111.
The values of α, β, γ in KNO3 and ZnO is _____ and _____ respectively.
(a) α ≠ β ≠ γ ≠ 90°

α = β = 90°, γ = 120°

(b) α = β = γ = 90°

α ≠ β ≠ 90°, γ ≠ 120°

(c) α = β = γ = 90°

α = β = 90°, γ = 120°

(d) None of these
Answer:

Option (c)

112.
In which ionic solid the distance between cation and anion is maximum ?
(a) LiF
(b) CsI
(c) CsF
(d) LiI
Answer:

Option (b)

113.
In fcc arrangement one unit cell is surrounded by how many spheres in the same layer ?
(a) 6
(b) 2
(c) 3
(d) 4
Answer:

Option (a)

114.
In NaCl the co-ordination number of 'Na+ is _____
(a) 4
(b) 3
(c) 6
(d) 5
Answer:

Option (c)

115.
One cubic structure contains X, Y and Z atoms. X-atoms are at the corner of the cube, Y atoms are at the centre and Z atoms are at the face-centre then the formula of the solid is _____
(a) XY2Z3
(b) XYZ3
(c) X2Y2Z3
(d) X8YZ6
Answer:

Option (b)

116.
Metal having hcp structure has co-ordination number _____
(a) 12
(b) 8
(c) 6
(d) 10
Answer:

Option (a)

117.
The number of ions in unit cell of NaCl is _____
(a) 3
(b) 12
(c) 8
(d) 6
Answer:

Option (b)

118.
The number of valence electrons in impurity which is added in Si to prepare N-type semiconductor is _____
(a) 2
(b) 5
(c) 3
(d) 1
Answer:

Option (b)

119.
In one solid, A atoms are at face-centres while B atoms are at the edges of sides then the formula of the solid is _____
(a) AB2
(b) A2B
(c) A4B3
(d) A3B2
Answer:

Option (d)

120.
If a = b ≠ c and α = β = γ = 90° then the crystal system is _____
(a) simple cube
(b) rhombic
(c) tetragonal
(d) monoclinic
Answer:

Option (c)

Showing 111 to 120 out of 151 Questions
9 10 11 12 13 14