The edge length of cube is 400pm. Its body diagonal would be-

(A) 500 pm
(B) 693 pm
(C) 600 pm
(D) 566 pm

Subtopic:  Introduction & Crystal System |
 79%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

Total volume of atoms present in a face centred cubic unit cell of a metal is ( r is atomic radius):

(1) 20/3 πr3

(2)  24/3 πr3

(3)  12/3 πr3

(4)  16/3 πr3

Subtopic:  Voids, Radius Ratio & Coordination Number |
 77%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

A solid has a bcc structure. If the distance of closest approach between the two atoms is 1.73Å . The edge length of the cell is:

(a) 200pm

(b) 32 pm

(c) 142.2 pm

(d) 2pm

Subtopic:  Density & Packing Fraction |
 72%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

advertisementadvertisement

Which is covalent solid?

(1) Fe2O3

(2) Diamond

(3) Graphite 

(4) All of these

Subtopic:  Introduction & Crystal System |
 89%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

The anions (A) form hexagonal closest packing and atoms (C) occupy only 2/3 of octahedral voids in
it. then the general formula of the compound is-

(1) CA

(2) A2

(3) C2A3

(4) C3A2

Subtopic:  Density & Packing Fraction |
 82%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

Graphite in an example of-

(1) Ionic solid

(2) Covalent solid

(3) Vander waal's crystal

(4) Metallic crystal

Subtopic:  Introduction & Crystal System |
 95%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

advertisementadvertisement

Select the correct statement (s)-

(a) The C.N. of cation occupying a tetrahedral hole is 4.

(b) The C.N. of cation occupying a octahedral hole is 6.

(c) In schottky defects, density of the lattice decreases,

(A) a,b

(B) b,c

(C) a,b,c

(D) a,c

Subtopic:  Voids, Radius Ratio & Coordination Number |
 80%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

Which arrangement of electrons leads to anti-ferromagnetism?
(1)  ↑↑↑↑
(2)  ↑↓↑↓
(3) Both (a) and (b)
(4) None of these

Subtopic:  Magnetic Behaviour of an Element/Compound |
 86%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

Among the following types of voids. which one is the largest void:-

(A) Triangular system
(B) Tetragonal system
(C) Monoclinic system
(D) Octahedral

Subtopic:  Introduction & Crystal System | Voids, Radius Ratio & Coordination Number | Magnetic Behaviour of an Element/Compound |
 77%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

advertisementadvertisement

The ratio of cations to anion in a closed pack tetrahedral is:

(a) 0.714
(b) 0.225
(c) 0.02
(d) none of these

Subtopic:  Voids, Radius Ratio & Coordination Number |
 84%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints