Question

In which of the following crystals alternate tetrahedral voids are occupied?

Solution

Correct option is

ZnS

In body centred cubic, each atom/ion has a coordination number of 8.

SIMILAR QUESTIONS

Q1

Schottky defect in crystals is observed when

Q2

Frenkel defect is caused due to

Q3

An example of a non – stoichiometric compound is

Q4

A pure crystalline substance, on being heated gradually, first forms a turbid looking liquid and then the turbidity completely disappears. This behavior is the characteristic of substances forming.

Q5

 

Amorphous substances show

(i) short and long range order

(ii) short range order

(iii) long range order

(iv) have no sharp melting point

Q6

The solid NaCl is a bad conductor of electricity since

Q7

The correct statement in the following is

Q8

 

The crystal system of a compound with unit cell dimensions,

a = 0.387, b = 0.387 and c = 0.504 nm, and α = β = 900 and γ = 1200 is

Q9

If Z is the number of atoms in the unit cell that represents the closest packing sequence …… ABC ABC …… the number of tetrahedral voids in the unit cell is equal to

Q10

A solid is made of two elements X and Z. the atoms Z are in ccp arrangement while the atom X occupy all the tetrahedral sites. What is the formula of the compound?