Solid State Online Test Series Mhtcet 2023 (Chemistry)

MHTCET CHEMISTRY SOLID STATE 2023 ONLINE TEST SERIES

This chapter is composed of the following topics.

Types of Solids
Classification of crystalline solids
Crystal system
Cubic system
Packing efficiency
Crystal defects or imperfections
Electrical properties of solids
Magnetic properties of solids

The simulated test or online series for Mhtcet examination 2023 below contains 50 questions. That covers all sub-topics in the Solid State. After the test is completed, your score will appear on the screen. Practice asking this question to enhance your ranking in the upcoming Mhtcet exam. Good luck regarding your 2023 Mhtcet exam !!.

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Created on January 29, 2022 By

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Solid State online test series Mhtcet 2023

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1 / 50

Amorphous solids______.

Possess sharp melting points

exhibited anisotropy

are supercooled liqiuds

possess long range orderd structure

2 / 50

A solid having an irregular shape is ______ called?

amorphous

crystalline

anisotropic

isomorphous

3 / 50

Which of the following is a proper of solids?

Solids are characterized by very weak interparticle force of attraction.

Solids do not have definite volume.

Solids can be easily compressed.

Solids have definite shape.

4 / 50

In simple cubic close packed structure, the coordination number of each sphere is_____.

5 / 50

In hexagonal close packing in two dimensions, the voids (free spaces) are_____ in shape.

tetragonal

hexagonal

cubic

triangular

6 / 50

In two dimensional ABAB type arrangement. the coordination number of each sphere is_____.

7 / 50

In square close packing in two dimensions, each sphere touches_____ neighbouring spheres.

two

four

six

eight

8 / 50

The coordination number of each sphere in a close packed one dimensional structure is_____.

9 / 50

The unit cell of tungsten is shown below.

The number of tungsten atoms per unit cell is_____.

10 / 50

A corner particle contributes its_____the given unit cell.

1/4th

1/6th

1/8th

1/12th

11 / 50

There are_____kinds of unit cells in tetragonal crystal system.

12 / 50

Fourteen Bravais lattices are divided into_____crystal systems.

13 / 50

In primitive unit cell, the constituent particles are present at_____.

the corners only

the centre of each of the faces

the corners and centre of its body

the centre of its body only

14 / 50

The smallest repeating structure unit of a crystalline solid is called______.

Basic

Space lattice

Crystal

Unit cell

15 / 50

Which of the following is a hydrogen bonded molecular solid?

HCL

AgCL

Ice

16 / 50

Crystal of covalent compounds always have ______.

atoms as their structural units

molecules as structural units

ions held togther by electrostatic forces

high melting points

17 / 50

Which of the following solids is an example of a metallic crystal?

Boron nitride

Silver

HCL

AgCL

18 / 50

A sea of mobile electrons is present in_______ solids.

ionic

metallic

molecular

covalent network

19 / 50

KCL is a/an______ crystal.

ionic

covalent network

metallic

molecular

20 / 50

Which of the following is CORRECT for diamond?

Diamond is a good conductor of heat.

Diamond is soft.

Diamond is a bad conductor of heat.

Diamond is made up of C, H and O.

21 / 50

Diamond is an example of_____.

solid with hydrogen bonding

ionic solid

covalent network solid

molecular solid

22 / 50

Which of the following is NOT CORRECT for ionic crystal?

They possess high melting points.

The constituent particle are charged ions.

They are hard and brittle

They are conductors of electricity in solid state.

23 / 50

Graphite, diamond, and fullerene are the polymorphic forms of_____.

Sulphur

Carbon

Calcium Carbonate

Silicon Dioxide

24 / 50

Find the odd one out.

α-quartz

cristobalite

β-quartz

calcite

25 / 50

The existence of a substance in more than one solid modification is known as_____.

polymorphism

isomorphism

anisotropy

isomerism

26 / 50

Two or more substances having the same ______ are said to be isomorphous.

molar mass

crystal structure

constituent atoms

melting point

27 / 50

Which of the following is an amorphous solid?

Tar

Graphite

Blue vitriol

Copper

28 / 50

Which of the following is a crystalline solid?

Glass

Rubber

Plastic

Sugar

29 / 50

An octahedral void is surrounded by_____.

four spheres

three spheres

six spheres

eight spheres

30 / 50

Which of the following metal has fcc crystal structure?

Copper

Magnesium

Polonium

Zinc

31 / 50

In hcp structure,the number of nearest neighbours is_____.

32 / 50

In a close packed arrangement of N particles, the number of tetrahedral holes is_____.

N/2

33 / 50

The number of octahedral voids per atom in ccp structure is_____.

34 / 50

The ratio of close-packed atoms to tetrahedral holes in cubic close packing is_____.

1:1

1:2

1:3

2:1

35 / 50

Packing efficiency is given by the formula: Packing efficiency= x/y ×100 x and y are_____ respectively.

x = Volume occupied by particles in unit cell, y = Total volume of unit cell.

x = Radius of each atom, y = Volume occupied by particles in unit cell.

x = Volume occupied by particles in unit cell, y = Edge length of unit cell.

x = Total number of atoms per unit cell, y = Radius of each atom.

36 / 50

The packing efficiency in simple cubic unit cell is_____.

52.36%

68%

74%

47.64%

37 / 50

The space occupied by bcc arrangement is approximately_____.

50%

68%

74%

47.64%

38 / 50

The vacant space in fcc unit cell is_____.

26%

10%

46%

74%

39 / 50

Body-centred cubic lattice has a coordination number of_____.

40 / 50

For bcc unit cell, radius (r) of a particle is given as:

r= 0.4330 x a

r=0.5000 xa

r=0.3535 x a

r= 0.5237 x a

41 / 50

Select the CORRECT option for simple cubic unit cell.

Packing efficiency = 47.6%

Coordination number = 4

Edge length of unit cell = 2r

Volume of unit cell = 64 r3

42 / 50

Which of the following is NOT a stoichiometric point defect?

Frenkel defect

Impurity defect

Vacancy defect

Schottky defect

43 / 50

Schottky defect is shown by_____.

ionic compounds having high degree of ionic character

compounds having high coordination number of anion

compounds containing cations and anions of almost similar size

all of these

44 / 50

Schottky defect is noticed in_____.

NaCL

Agl

HCL

ZnS

45 / 50

Frenkel defect can be considered as combination of_____.

vacancy defect and interstitial defect

vacancy defect and impurity defect

Schottky defect and impurity defect

metal excess defect and interstitial defect

46 / 50

The energy difference between valence band and conduction band is called_____.

valence band

conduction band

energy level

band gap

47 / 50

Which of the following has the highest band gap energy value (in eV)?

Germanium

Diamond

Sodium

Silicon

48 / 50

_____is an example of conductor where the conduction band is partially filled s-band and there is no band gap.

Metallic magnesium

Silicon

Metallic sodium

Germanium D

49 / 50

Germanium is an example of_____.

an intrinsic semiconductor

a n-type semiconductor

a p-type semiconductor

insulator

50 / 50

A semiconductor of Ge can be made p-type by adding______ impurity.

trivalent

tetravalent

pentavalent

divalent

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The average score is 53%

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Solid State Online Test Series Mhtcet 2023 (Chemistry)

MHTCET CHEMISTRY SOLID STATE 2023 ONLINE TEST SERIES

Start the test!

Learn more! Practice more! Score more!

Best of Luck!

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