In a body-centred cubic arrangement, A ions occupy the centre while B ions occupy the corners of the cube. The formula of the solid is

1. AB

2. AB₂ 

3. A₂B

4. AB₃ 

If three elements A, B and C crystallized in cubic solid lattice with A atoms at corners, B atoms at cube centres and C atoms at the edges, the formula of the compound is

1. ABC

2. ABC₃ 

3. AB₃C

4. A₃B₂C₃ 

In a cubic unit cell, seven of the eight corners are occupied by atom A and having of faces are occupied of B. The general formula of the substance having this type structure would be

1. A₇B₁₄

2. A₁₄B₇

3. A₇B₂₄

4. A₉B₂₄

In a cubic closed packed structure of mixed oxides, the lattice is made up of oxide ions, 20% of tetrahedral Voids are occupied by divalent A²⁺ ions and 50% of the octahedral voids by trivalent B³⁺. The formula of the oxide is?

1. A₄B₅O₁₀

2. A₂B₅O₅

3. A₂BO

4. A₄B₅O₈ 

A compound formed by elements A and B crystallizes in cubic structure where A atoms are at the corners or a cube and B atoms are at the face centre. The formula of the compound is :

1. AB

2. AB₂

3. AB₃

4. AB₄

The radius of Ag⁺ ion is 126 pm while that of I^- ion is 216 pm. The coordination number of Ag in AgI is

1. 8

2. 6

3. 4

4. 2

Which of the following crystals have 6:6 coordination?

1. MnO

2. NH₄I

3. ZnS

4. none of these

TiO₂ (rutile) shows 6:3 coordination. The solid having rutile like structure among the following is

1. KCl

2. SnO₂

3. ZnS

4. none of these

A solid having unit cell made up of planes as shown in figure coordination number of 'X' is

1. 12

2. 10

3. 6

4. 4

A compound contains two types of atoms: X and Y. It crystallizes in a cubic lattice with atoms X at the corners of the unit cell and atoms Y at the body centres.

The simples possible formula of this compound is:

1. XY

2. X₂Y₂

3. XY₆

4. X₈Y