JEE Main > Solid State

Explore popular questions from Solid State for JEE Main. This collection covers Solid State previous year JEE Main questions hand picked by popular teachers.


Q 1.    

Correct4

Incorrect-1

Which of the following contains only one Bravais lattice?

Hexagonal

B

Cubic

C

Tetragonal

D

Monoclinic

Explanation

Q 2.    

Correct4

Incorrect-1

If a cation leaves a site in solid lattice, and is located at an interstitial position. The lattice defect is

A

Interstitial defect

B

Schottky defect

C

Valency defect

Frenkel defect

Explanation

Q 3.    

Correct4

Incorrect-1

The ratio of number of closed packed atoms to the number of terrahedral holes in cubic closed packing is

A

{tex}1: 1{/tex}

{tex}1: 2{/tex}

C

{tex}1: 3{/tex}

D

{tex}2: 1{/tex}

Explanation

Q 4.    

Correct4

Incorrect-1

Which of the following statements is incorrect?

A

Crystalline solids have sharp melting and boiling points

B

FCC possesses closest packing of atoms in it

Increase in pressure in ionic solids may decrease coordination number

D

{tex} \mathrm {NaCl} {/tex} has 6: 6 coordination number

Explanation

Q 5.    

Correct4

Incorrect-1

An element (At. mass {tex} = 50 \mathrm { g } / \mathrm { mol } {/tex} ) having fcc structure has unit cell edge length {tex} 400 \mathrm { pm } . {/tex} The density of element is

{tex} 5.188 \mathrm { g } / \mathrm { cc } {/tex}

B

{tex} 10.376 \mathrm { g } / \mathrm { cc } {/tex}

C

{tex} 2.56 \mathrm { g } / \mathrm { cc } {/tex}

D

{tex} 1.2 \mathrm { g } / \mathrm { cc } {/tex}

Explanation

Q 6.    

Correct4

Incorrect-1

An ionic solid crystallizes as rock salt structure {tex} \mathrm {(NaCl)} {/tex}and the edge length of fcc unit cell having rock salt structure is {tex} 508 \mathrm { pm } {/tex}.If the radius of cation is {tex} 110 \mathrm { pm } , {/tex} then radius of the anion is

{tex} 144 \mathrm { pm } {/tex}

B

{tex} 288 \mathrm { pm } {/tex}

C

{tex} 398 \mathrm { pm } {/tex}

D

{tex} 618 \mathrm { pm } {/tex}

Explanation

Q 7.    

Correct4

Incorrect-1

In a crystalline solid, anion {tex} \mathrm { B } {/tex} are arranged in cubic close packing and cation {tex}\mathrm A{/tex} are equally distributed between octahedral and terahedral voids. If all the octahedral voids are occupied, the formula for the solid is

A

{tex} \mathrm { AB } {/tex}

B

{tex} \mathrm { AB } _ { 2 } {/tex}

{tex} \mathrm { A } _ { 2 } \mathrm { B } {/tex}

D

{tex} \mathrm { A } _ { 2 } \mathrm { B } _ { 3 } {/tex}

Explanation

Q 8.    

Correct4

Incorrect-1

A tetrahedral void in fcc is formed by atoms at

A

{tex}3{/tex} corners + {tex}1 {/tex} face centre

{tex}3{/tex} face centres {tex} + 1 {/tex} corner

C

{tex}2{/tex} face centres {tex} + 2 {/tex} corners

D

{tex}2{/tex} face centres {tex} + 1 {/tex} corner {tex} + 1 {/tex} body centre

Explanation

Q 9.    

Correct4

Incorrect-1

Which of the following has highest number of formula units per unit cell?

A

{tex}\mathrm {NaCl}{/tex} type structure

B

{tex} \mathrm { Na } _ { 2 } \mathrm { O } {/tex} type structure

C

{tex}\mathrm {CaF_2}{/tex} type structure

All have same number of formula unit

Explanation

Q 10.    

Correct4

Incorrect-1

Density of crystal decreases in

Schottky defect

B

Frenkel defect

C

Interstitial defect

D

Metal excess defect

Explanation

Q 11.    

Correct4

Incorrect-1

The number of atoms in {tex} 100 \mathrm { g } {/tex} of a bcc crystal lattice with density {tex} = 10 \mathrm { g } / \mathrm { cc } {/tex} and edge length {tex} = 100 \mathrm { pm } {/tex} is

A

{tex} 4 \times 10 ^ { 25 } {/tex}

{tex} 2 \times 10 ^ { 25 } {/tex}

C

{tex} 8 \times 10 ^ { 25 } {/tex}

D

{tex} 1 \times 10 ^ { 25 } {/tex}

Explanation

Q 12.    

Correct4

Incorrect-1

Element {tex} x , y {/tex} and {tex} z {/tex} crystallize in primitive, face centered and body centered unit cell respectively. What would be the correct order of metallic radii if volume of each unit cell is same?

{tex} r _ { x } > r _ { z } > r _ { y } {/tex}

B

{tex} r _ { y } > r _ { z } > r _ { x } {/tex}

C

{tex} r _ { x } > r _ { y } > r _ { z } {/tex}

D

{tex} r _ { y } > r _ { x } > r _ { z } {/tex}

Explanation

Q 13.    

Correct4

Incorrect-1

Zinc sulphide exists in two different structural forms as zinc blende (FCC) and Wurtzite (HCP). What will be the coordination number of cation and anion in both the structures?

A

{tex}6: 6 {/tex} for both

{tex}4:4{/tex} for both

C

{tex} 4:4{/tex} and {tex} 6:6{/tex} respectively

D

{tex}6:6{/tex} and {tex} 4:4{/tex} respectively

Explanation

Q 14.    

Correct4

Incorrect-1

F-centers are related to

A

fcc center

B

Metal deficiency defect

Anion vacancy defect

D

Face center

Explanation

Q 15.    

Correct4

Incorrect-1

Tetrahedral void is surrounded by four atoms. Which atoms in the given figure are around the tetrahedral void?

A

{tex} 2,3,4 {/tex} and {tex}5{/tex}

B

{tex} 1,3,4,5 {/tex}

{tex} 1,2,3,4 {/tex}

D

{tex} 2,4,5 {/tex}

Explanation

Q 16.    

Correct4

Incorrect-1

Which of the following is a covalent solid?

A

Dry ice

B

{tex} \mathrm {P _ { 4 } O _ { 10 }} {/tex}

{tex} \mathrm { SiC } {/tex}

D

{tex} \mathrm { NaCl } {/tex}

Explanation

Q 17.    

Correct4

Incorrect-1

What type of defects are represented by given figure?

A

Frenkel defect

Metal excess defect

C

Cation deficiency defect

D

Interstitial defect

Explanation

Q 18.    

Correct4

Incorrect-1

{tex} \mathrm { NH } _ { 4 } \mathrm { Cl } {/tex} crystallizes in a body-centered cubic type lattice with a unit cell edge length of {tex}387 \mathrm {pm}{/tex}. The distance between the oppositely charged ions in the lattice is

{tex} 335.1 \mathrm { pm } {/tex}

B

{tex} 83.77 \mathrm { pm } {/tex}

C

{tex} 274.46 \mathrm { pm } {/tex}

D

{tex} 137.23 \mathrm { pm } {/tex}

Explanation

Q 19.    

Correct4

Incorrect-1

Quartz on strong heating followed by rapid cooling gives glass which is an amorphous solid because

A

Glass is a super cooled liquid

B

Glass does not have a sharp melting point

Silicate tetrahedral unit are shifted in randomly arranged pattern

D

Glass is a silicate of sodium

Explanation

Q 20.    

Correct4

Incorrect-1

In diamond, carbon atom occupy FCC lattice points as well as alternate tetrahedral voids. If edge length of the unit cell is {tex} 3.56 \mathrm { pm } , {/tex} then radius of carbon atom is

{tex} 77.07 \mathrm { pm } {/tex}

B

{tex} 154.14 \mathrm { pm } {/tex}

C

{tex} 251.7 \mathrm { pm } {/tex}

D

{tex} 89 \mathrm { pm } {/tex}

Explanation

Q 21.    

Correct4

Incorrect-1

{tex} \mathrm { CsBr } {/tex} has cubic structure with edge length {tex} 4.3 \mathrm \ {\text{Å} } {/tex}. The shortest interionic distance between {tex} \mathrm { Cs } ^ { + } {/tex} and {tex} \mathrm { Br }^- {/tex} is

{tex} 3.72 \mathrm { {\text{Å}} } {/tex}

B

{tex} 1.86 \mathrm {{\text{Å}} } {/tex}

C

{tex} 7.44 \mathrm { {\text{Å}} } {/tex}

D

{tex} 4.3 \mathrm { {\text{Å}} } {/tex}

Explanation


Q 22.    

Correct4

Incorrect-1

Lithium crystallizes in a body centred cubic lattice, how many next nearest neighbours does each {tex}\mathrm {Li} {/tex} has?

A

{tex}8{/tex}

{tex}6{/tex}

C

{tex}12{/tex}

D

{tex}4{/tex}

Explanation

Q 23.    

Correct4

Incorrect-1

The ionic radii of {tex} \mathrm { Rb } ^ { + } {/tex} and {tex} \mathrm { I } ^ { - } {/tex} are 1.46 and {tex} 2.16 \mathrm {{\text{Å}} } {/tex}. The most probable type of structure exhibited by {tex}\mathrm {RbI}{/tex} is

A

{tex} \mathrm {CsCl}{/tex} type

{tex} \mathrm {NaCl}{/tex} type

C

{tex} \mathrm {ZnS}{/tex} type

D

{tex} \mathrm {CaF_2}{/tex} type

Explanation

Q 24.    

Correct4

Incorrect-1

In a compound {tex} \mathrm { XY } _ { 2 } \mathrm { O } _ { 4 } {/tex} oxide ions arranged in ccp structure. Cation {tex} \mathrm { X } {/tex} are present in octahedral voids and cation {tex} \mathrm { Y } {/tex} are equally distributed between octahedral and tetrahedral voids. The fraction of the octahedral voids occupied is

A

{tex} \frac { 1 } { 4 } {/tex}

{tex} \frac { 1 } { 2 } {/tex}

C

{tex} \frac { 1 } { 8 } {/tex}

D

{tex} \frac { 1 } { 6 } {/tex}

Explanation

Q 25.    

Correct4

Incorrect-1

Metallic gold crystallises in foc lattice with edge length {tex} 4.070 \ {\text{Å}}{/tex}. The closet distance between gold atoms is

{tex} 2.878\ {\text{Å}}{/tex}

B

{tex} 8.140 \mathrm \ { {\text{Å}}} {/tex}

C

{tex} 2.035 \mathrm \ { {\text{Å}}} {/tex}

D

{tex} 1.357 \mathrm \ { {\text{Å}} } {/tex}

Explanation