Home
Class 12
CHEMISTRY
Structure of a mixed oxide is cubic clos...

Structure of a mixed oxide is cubic close packed (c.c.p.). The cubic unit cell of mixed oxide is composed of oxide ions. One- fourth of the tetrahedral voids are occupied by divalent metal A and the octahedral voids are occupied by a monovalent metal B. The formula of the oxide is

A

`ABO_2`

B

`A_2BO_2`

C

`A_2B_3O_4`

D

`AB_2O_2`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Similar Questions

Explore conceptually related problems

In a cubic close packed structure structure of mixed oxides, the lattice is made of oxide ions, one eighth of tetrahedral voids are occupied by the divalent ions (A^(2+)) where one half of octahedral voids are occupied by trivalent ions (B^(3+)) . What is the formula of the oxide ?

In spinel structure, O ^(2-) ions are cubic-closed packed, whereas 1/8th of the tratrhedral holes are occupled by A ^(2+) cations and 1/2 of the octahedral holes are occupied by cations B^(3+). The general formula of this compound is

A solid is made up of two elements P and Q. P atoms are in ccp arrangement while atoms Q occupy all the octahedral voids and half of the tetrahedral voids. The formula of the compound is :

In a compound, oxide ions are arranged in ccp. One-sixth of the tetrahedral voids are occupied by cations. (A) and one-third of OV_(s) are occupieed by cations (B) . (a) What is the formula of the compound of the compound? (b) What are the charges on A and B ?

Element B' forms ccp structure and 'A' occupies half of the octahedral voids, while oxygen atoms occupy all the tetrahedral voids. The structure of bimetallic oxide is

A compound is formed by two elements x and y. Atoms of the elements y make ccp (cubic close packing) and those of the element x occupy all the octahedral voids. What is the formula of the compound ?

In corundum, oxide ions are arranged in hcp arrangement and the aluminium ions occupy two-third of the octahedral holes. Its formula is :

In a crystallizes solid, anions B are arranged in cubic close packing, cations A are equally distributed between octahedral and tetrahedral voids, what is the formula of the solid?

A solid is formed by two elements P and Q. The element Q forms cubic close packing and atoms of P occupy two-third of tetrahedral voids. The formula of the compound is

In sapphire, oxide ions are arranged in hexagonal close packing and aluminium ions occupy two-thirds of the octahedral voids. What is the formula of sapphire?