Crystal Form Shows this Structure MCQ. We covered all the Crystal Form Shows this Structure MCQ in this post for free so that you can practice well for the exam.
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Crystal Form Shows this Structure Objective MCQ for Students
The total number of tetrahedral voids in a face-centered cubic unit cell is
(A) 6
(B) 8
(C) 10
(D) 12
Option b – 8
The C-C and Si-C interatomic distances are 154 Pm and 188 Pm. The atomic radius of Si is
(A) 77 Pm
(B) 94 Pm
(C) 114 Pm
(D) 111 Pm
Option d – 111 Pm
There are N atoms in a close-packed structure then-No. of tetrahedral voids and octahedral voids are
(A) N and 2N
(B) 2N and 1N
(C) IN and N
(D) 2N and 2N
Option b – 2N and 1N
A compound formed by elements A and B crystallizes in a cubic structure in which ‘A’ atoms are at the corner of the cube and ‘B’ atoms are at the center of the cube. The formula of a compound is
(A) A2B3
(B) AB
(C) AB2
(D) A2B
Option b – AB
The volume occupied by spheres in a face-centered cubic structure is
(A) 74%
(B) 68%
(C) 52.4%
(D) 60%
Option a – 74%
A metal oxide crystallizes in hcp. The oxide ions with two out of every three octahedral holes occupied by metal ions. The formula of metal oxide is
(A) M₂O3
(B) MO2
(C) M₂O
(D) MO
Option a – M₂O3
Al crystallizes in the ccp structure. The Radius of Al is 125 pm. The edge length of the unit cell is
(A) 250 Pm
(B) 216.5 Pm
(C) 176 Pm
(D) 353.5 Pm
Option d – 353.5 Pm
If Cs+ and Ce- ions have ionic radii 1.69 Å and 1.81 Å respectively. The edge length of the unit cell is
(A) 4.512 Å
(B) 3.50 Å
(C) 4.04 Å
(D) 7.00 Å
Option c – 4.04 Å
The ratio of close-packed atoms in tetrahedral holes in CCP is
(A) 1 : 1
(B) 2 : 1
(C) 1 : 3
(D) 1 : 2
Option d – 1 : 2
Which of the following is an example of a BCC structure?
(A) Magnesium
(B) Zinc
(C) Copper
(D) Sodium
Option d – Sodium
In body-centered cubic structure, the co-ordination number is
(A) 8
(B) 12
(C) 4
(D) 6
Option a – 8
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