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Published on: 02/09/2022
QB365 provides a detailed and simple solution for every Possible Creative Questions in Class 12 Chemistry Subject - Solid State, English Medium. It will help Students to get more practice questions, Students can Practice these question papers in addition to score best marks
Download Tamil Nadu 12th Standard Chemistry question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.
Questions + Answers key
Take MCQ Chemistry Test
1.
Which of the following features is false regarding the structure of CsCI?
It has bee arrangements
Co-ordination number for each ion is 8
Number of atoms in a unit cell is 4
The radius ratio (r+/r-) is 0.93
2.
The empty space between the shaded balls and hollow balls as shown in the diagram is called, _______.
Hexagonal void
Octahedral void
Tetrahedral void
Double triangular void
3.
If 'a' is the length of unit cell, then which one is correct relationship?
For simple cubic lattice, radius of metal atom =\(\frac{a}{2}\)
For bee lattice, radius of metal atom \(=\frac { \sqrt { 3a } }{ 4 } \)
For fcc lattice, radius of metal atom \(=\frac { a }{ 2\sqrt { 2 } } \)
All of these
4.
Which one of the following crystal has 8 : 8 structure?
MgF2
CsCl
KCl
NaCl
5.
Amorphous solids have _______.
Orderly arrangement of atoms
Long range of melting point
Anisotropy
both (a) and (c)
6.
A binary solid A+B has a structure with B- ions constituting the lattice and A+ ions occupying 25% tetrahedral holes. Formula of the solid is _______.
A2B
AB2
AB
AB4
7.
A solid with formula ABC3 would probably have, _______.
A at body centre, B at face centres and C at corners of the cube
A at corners of cube, B at body centre, C at face centre
A at corners of hexagon, B at centres of the hexagon and C inside the hexagonal unit cell
A at corner, B at face centre, C at body centre
8.
What is the relation between diamond and graphite?
Polymorphous
Isomer
Isotope
Isomorphous
9.
An example of metal deficiency defect _______.
NaCl
AgCl
CsCl
FeS
10.
Which of the following is characteristic of ionic solids?
Very low value of electrical conductivity in the molten state
Brittle nature
Very strong forces of attractions
Anisotropic nature
11.
Which of the following cannot be regarded as molecular solid?
Silicon carbide
AIN
Diamond
All the above
12.
In which of the following arrangements, octahedral voids are formed?
fcc
bcc
simple cubic
hcp
13.
Which of the following defects decreases the density of the crystal?
Interstitial defect
Vacancy defect
Frankel defect
None of these above
14.
The composition of a sample of wurtzite is Fe0.93 O1.00 what % of Iron present in the form of Fe3+?
16.05%
15.05%
18.05%
17.05%
15.
The number of carbon atoms per unit cell of diamond is _______.
8
6
1
4
1.
(c)
Number of atoms in a unit cell is 4
2.
(b)
Octahedral void
3.
(d)
All of these
4.
(b)
CsCl
5.
(d)
both (a) and (c)
6.
(b)
AB2
7.
(b)
A at corners of cube, B at body centre, C at face centre
8.
(a)
Polymorphous
9.
(d)
FeS
10.
(c)
Very strong forces of attractions
11.
(d)
All the above
12.
(d)
hcp
13.
(b)
Vacancy defect
14.
(b)
15.05%
15.
(a)
8
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