Solid State · Chemistry · WB JEE
MCQ (Single Correct Answer)
1
Metallic conductors and semiconductors are heated separately. What are the changes with respect to conductivity?
WB JEE 2024
2
What is the edge length of the unit cell of a body centred cubic crystal of an element whose atomic radius is 75 pm?
WB JEE 2023
3
The number of atoms in body centred and face centred cubic unit cell respectively are
WB JEE 2022
4
An element crystallises in a body centered cubic lattice. The edge length of the unit cell is 200 pm and the density of the element is 5.0 g cm$$-$$3. Calculate the number of atoms in 100 g of this element.
WB JEE 2021
5
In the face centered cubic lattice structure of gold the closest distance between gold atoms is ('a' being the edge length of the cubic unit cell)
WB JEE 2020
6
A compound formed by elements X and Y crystallises in the cubic structure, where X atoms are at the corners of a cube and Y atoms are at the centre of the body. The formula of the compounds is
WB JEE 2018
7
In a close-packed body-centred cubic lattice of potassium, the correct relation between the atomic radius (r) of potassium and the edge-length (a) of the cube is
WB JEE 2017
8
Ionic solids with Schottky defect may contain in their structure
WB JEE 2016