EASY
12th Andhra Pradesh Board
IMPORTANT
Earn 100

Unit cells can be classified into primitive and centered unit cells. Differentiate between primitive and centered unit cells.

Important Questions on Solid State

MEDIUM
12th Andhra Pradesh Board
IMPORTANT
Chemistry Crash Course (Based on Revised Syllabus-2023)>Chapter 1 - Solid State>Exercise>Q 33
What is the two-dimensional coordination number of a molecule in square close-packed layer?
MEDIUM
12th Andhra Pradesh Board
IMPORTANT
Chemistry Crash Course (Based on Revised Syllabus-2023)>Chapter 1 - Solid State>Exercise>Q 34
A compound forms a hexagonal close-packed structure. What is the total number of voids in 0.5 mol of it? How many of these are tetrahedral voids?
HARD
12th Andhra Pradesh Board
IMPORTANT
Chemistry Crash Course (Based on Revised Syllabus-2023)>Chapter 1 - Solid State>Exercise>Q 35
Ferric oxide crystallises in a hexagonal close-packed array of oxide ions with two out of every three octahedral holes occupied by ferric ions. Derive the formula of the ferric oxide.
MEDIUM
12th Andhra Pradesh Board
IMPORTANT
Chemistry Crash Course (Based on Revised Syllabus-2023)>Chapter 1 - Solid State>Exercise>Q 36
What is the coordination number of atom in a body-centred cubic structure?
MEDIUM
12th Andhra Pradesh Board
IMPORTANT
Chemistry Crash Course (Based on Revised Syllabus-2023)>Chapter 1 - Solid State>Exercise>Q 37
What is the coordination number of atoms in a cubic close-packed structure?
MEDIUM
12th Andhra Pradesh Board
IMPORTANT
Chemistry Crash Course (Based on Revised Syllabus-2023)>Chapter 1 - Solid State>Exercise>Q 38
Calculate the efficiency of packing in case of a metal crystal for body-centred cubic.
HARD
12th Andhra Pradesh Board
IMPORTANT
Chemistry Crash Course (Based on Revised Syllabus-2023)>Chapter 1 - Solid State>Exercise>Q 39
Calculate the efficiency of packing in case of a metal crystal for face-centred cubic (with the assumptions that atoms are touching each other).
HARD
12th Andhra Pradesh Board
IMPORTANT
Chemistry Crash Course (Based on Revised Syllabus-2023)>Chapter 1 - Solid State>Exercise>Q 40
If the radius of Mg2+ion, Cs+ion, O2-ion, S2-ion and Cl- ion are 0.65Å, 1.69Å, 1.40Å, 1.84Å and 1.81Å respectively, calculate the coordination numbers of the cations in the crystals of MgS, MgOand CsCl.