Solid State Tes...

Only One Option Correct Type
This section contains 9 multiple choice questions. Each question has four choices (a), (b), (c) and (d), out of which ONLY ONE is correct.

Q.

Structure shown in the figure represents

Which of the following defects is also known as dislocation defect?

Cations are present in the interstitial sites in

Select the correct statement about non-stoichiometric compounds

In a face-centred cubic lattice, atom A occupies the corners of the cube and atom B occupies the face-centred positions. If one atom of B is missing from one of the face-centred points, the formula of the compound is

An element crystallises in fcc lattice having edge length 40 0 pm. Maximum radius of the atom which can be placed in the interstitial site without distorting the structure is

Experimentally it was found that a metal oxide has formula M_0.98O. Metal M, is present as M²⁺ and M³⁺ in its oxide. The fraction of the metal which exists as M³⁺ would be:

If NaCI is doped with 10^-3 mole % of SrCI₂ then , number of cation ic vacancies is

Matching List Type
Choices for the correct combination of elements from Column I and Column II are given as options (a), (b), (c) and (d), out of which one is correct.