Home
Class 12
CHEMISTRY
AgI crystallises in a cubic close-packed...

AgI crystallises in a cubic close-packed ZnS structure. What fraction of tetrahedral sites is occupied by `Ag^(+)` ions ?

Text Solution

Verified by Experts

In the face centred unit cell of AgI, there are four `Ag^(+)` ions and four `I^(-)` ions. As there are four `I^(-)` ions in the packing,therefore there are eight tetrahedral voids. Half of these are occupied by `Ag^(+)` ions.
Promotional Banner

Similar Questions

Explore conceptually related problems

If silver iodide crystallizes in zinc blende structure with I^- ions forming the lattice, then what fraction of tetrahedral voids is occupied by Ag^+ ions?

Iron crystallises in a cubic close-packed (ccp) structure. How many voids or holes are there in 0.1 mol of iron?

Show that in a cubic close packed structure, eight tetrahedral voids are present per unit cell.

Show that in a cubic close packed structure, eight tetrahedral voids are present per unit cell.

A crystalline compound consists of elements A and B. Atoms of element B from the cubic close-packed structure, in which half of the tetrahedral voids are occupied by A atoms. Determine the empirical formula of the compound.

What is the unit cell in a cubic close-packed (ccp) structure of particles?

Nickel crystallises in a cubic close-packed structure. In this structure, the distance between two nearest neighbours is 250pm. If the atomic mass of nickel is 58.7amu, then calculate the density of nickel crystal.

If the unit cell of a mineral has cubic close packed (ccp) array of oxygen atoms with m fraction of octahedral holes occupied by aluminium ions and n fraction of tetrahedral holes occupied by magnesiums ions, m and n respectively, are

The number of packed particles in a cubic close-packed structure is x. If the number of tetrahedral and octahedral holes in this structure are y and z, then-

Aluminium crystallises in a cubic close-packed structure. Its metallic radius is 125 pm. (i) What is the length of the side of the unit cell? (ii) How many unit cells are there in 1.00cm^(3) of aluminium?