The Solid State-2

MCQ Questions Class 12 The Solid State With Answers

CBSE Class 12 The Solid State Multiple Choice Questions with Answers. MCQ Questions Class 12 The Solid State with Answers Is Prepared Based on Latest Exam Pattern. Students can solve NCERT Class 12 The Solid State MCQs with Answers to know their preparation level.

Students who are searching for NCERT MCQ Questions for Class 12 The Solid State with Answers are compiled here to get good practice on all fundamentals. Know your preparation level on MCQ Questions for Class 12 The Solid State with Answers. You can also verify your answers from our provided MCQ Class 12 The Solid State with Answers. So, ace up your preparation with MCQ of Class 12 Physics Examinations.

MCQ Questions Class 12 The Solid State with Answers - Set - 2

Question 1: 

The pyknometric density of sodium chloride crystal is 2.165 × 10³ kg m-3, while its X-ray density is 2.178 × 10³ kg m-3. The fraction of the unoccupied sites in sodium chloride crystal is
(a) 5.96
(b) 15.96 × 10-2
(c) 5.96 × 10-1
(d) 5.96 × 10-3

Correct Answer – (D)

Question 2 : 

How many unit cells are present in a cube-shaped ideal crystal of NaCl of mass 1.00 g? (Atomic mass of Na = 213, Cl = 35.5)
(a) 5.14 × 1021
(b) 1.28 × 1021
(c) 1.71 × 1021
(d) 2.57 × 1021

Correct Answer – (D)

Question 3 : 

The numbers of tetrahedral voids in the unit cell of a face centered cubic lattice of similar atoms is
(a) 4
(b) 6
(c) 8
(d) 10

Correct Answer – (C)

Question 4 : 

The percentage of iron present as Fe (III) in Fe0.93 O1.0 is
(a) 17.7%
(b) 7.84%
(c) 11.5%
(d) 9.6%

Correct Answer – (B)

Question 5 : 

Metallic lustre is explained by
(a) diffusion of metal ions
(b) oscillation of loose electrons
(c) excitation of free protons
(d) existence of bcc lattice.

Correct Answer – (B)

MCQ Questions Class 12 The Solid State with Answers

Question 6 : 

What is the coordination number of Cl- in NaCl crystals
(a) 8
(b) 6
(c) 4
(d) 3

Correct Answer – (B)

Question 7 : 

The hardest substance among the following is
(a) Be2C
(b) Graphite
(c) Titanium
(d) SiC

Correct Answer – (D)

Question 8 : 

Which of the following fee structure contains cations in alternate tetrahedral voids? 
(a) NaCl
(b) ZnS
(c) Na2O
(d) CaF2

Correct Answer – (B)

Question 9 : 

In a face-centered cubic lattice, unit cell is shared equally by how many unit cells?
(a) 4
(b) 2
(c) 6
(d) 8

Correct Answer – (C)

Question 10 : 

In face-centered cubic unit cell, edge length is
(a) (4/√3)r
(b) (4/√2)r
(c) 2r
(d) (√3/2)r

Correct Answer – (B)
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