Explore topic-wise MCQs in Chemistry.

This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Chemistry knowledge and support exam preparation. Choose a topic below to get started.

1.

If a metal forms a FCC lattice with unit edge length 500 pm. Calculate the density of the metal if its atomic mass is 110.

A. 2923 kg/m3
B. 5846 kg/m3
C. 8768 kg/m3
D. 1750 kg/m3
Answer» C. 8768 kg/m3
2.

What is each point (position of particle) in a crystal lattice termed as?

A. Lattice index
B. Lattice point
C. Lattice lines
D. Lattice spot
E. in a crystal lattice termed as?a) Lattice indexb) Lattice pointc) Lattice linesd) Lattice spot
Answer» B. Lattice point
3.

How many parameters are used to characterize a unit cell?

A. Six
B. Three
C. Two
D. Nine
Answer» B. Three
4.

What is the radius of a metal atom if it crystallizes with body-centered lattice having a unit cell edge of 333 Pico meter?

A. 1538.06 pm
B. 769.03 pm
C. 288.38 pm
D. 144.19 pm
Answer» E.
5.

If the aluminum unit cell exhibits face-centered behavior then how many unit cells are present in 54g of aluminum?

A. 1.2042 x 1024
B. 5.575 x 1021
C. 3.011 x 1023
D. 2.4088 x 1024
Answer» D. 2.4088 x 1024
6.

What is the total volume of the particles present in a body centered unit cell?

A. 8πr3
B. \(\frac{8}{3}\)πr3
C. \(\frac{16}{3}\)πr3
D. \(\frac{32}{3}\)πr3
Answer» C. \(\frac{16}{3}\)πr3
7.

Atoms of element X form a BCC and atoms of element Y occupy 3/4th of the tetrahedral voids. What is the formula of the compound?

A. X2Y3
B. X3Y2
C. X3Y4
D. X4Y3
Answer» B. X3Y2
8.

A compound is formed by atoms of elements A occupying the corners of the unit cell and an atom of element B present at the center of the unit cell. Deduce the formula of the compound.

A. AB2
B. AB3
C. AB4
D. AB
Answer» E.
9.

Identify the dimensional relation for the unit cell illustrated below.

A. a = b = c
B. a = b ≠ c
C. a ≠ b ≠ c
D. a ≠ b = c
Answer» D. a ≠ b = c
10.

Which of the following possess anisotropic nature within their structure?

A. Hair wax
B. Snowflakes
C. Polythene
D. Crystal glass
Answer» C. Polythene
11.

If a crystal lattice has 6 closed-pack spheres, what the number of tetrahedral voids in the lattice?

A. 12
B. 6
C. 36
D. 3
Answer» B. 6
12.

Which of the following arrangements of particles does a simple cubic lattice follow?

A. ABAB
B. AABB
C. ABCABC
D. AAA
Answer» E.
13.

What is the coordination number of a body-centered unit cell?

A. 6
B. 12
C. 8
D. 4
Answer» D. 4
14.

Which of the following unit cells has constituent particles occupying the corner positions only?

A. Body-centered cell
B. Primitive cell
C. Face centered cell
D. End-centered cell
Answer» C. Face centered cell
15.

Which of the following is regarded as the ‘repeatable entity’ of a 3D crystal structure?

A. Unit cell
B. Lattice
C. Crystal
D. Bravais Index
Answer» B. Lattice