Why Do Solids have a Definite Volume Class 12. We covered all the Why Do Solids have a Definite Volume Class 12 in this post for free so that you can practice well for the exam.
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Why Do Solids have a Definite Volume Class 12 Objective for Students
ZnS shows
(A) Schottky defect
(B) Frenkel defect
(C) Both ‘A’ and ‘B’
(D) Cation excess defect
Option b – Frenkel defect
Metal deficiency defect observed in
(A) NaCl
(B) FeO
(C) KCI
(D) ZnO
Option b – FeO
An electron trapped by a negative ion in a crystal is
(A) F-centre
(B) Interstitial defect
(C) Line defect
(D) Frenkel defect
Option a – F-centre
Silver halides show
(A) Schottky defect
(B) Frenkel defect W
(C) Metal deficiency defect
(D) Both ‘A’ and ‘B’
Option d – Both ‘A’ and ‘B’
In a crystal lattice radius ratio of cations to the anions is 0.524. The coordination number of the lattice is
(A) 4
(B) 6
(C) 8
(D) 12
Option b – 6
The edge length of a unit cell of Cr metal is 287 Pm! arranged in BCC. The atomic radius is
(A) 287 Pm
(B) 143.5 Pm
(C) 124.2 Pm
(D) 574 Pm
Option c – 124.2 Pm
Which is incorrect about the voids?
(A) There is one octahedral site for each sphere.
(B) Octahedral voids are formed when triangular voids in the second layer exactly overlap with the similar void of the first layer.
(C) There are two tetrahedral voids for each sphere.
(D) A tetrahedral void is formed by three atoms from the first layer and exactly one atom over it from the second layer.
Option b – Octahedral voids are formed when triangular voids in the second layer exactly overlap with the similar void of the first layer
We covered all the why do solids have a definite volume class 12 above in this post for free so that you can practice well for the exam.
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