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What is lattice of the crystalline compound?

Important Questions on Solid State

MEDIUM

Chemistry>Physical Chemistry>Solid State>Unit Cells, Two and Three Dimensional Lattices

How many total constituent particles are present in simple cubic unit cell?

EASY

Chemistry>Physical Chemistry>Solid State>Unit Cells, Two and Three Dimensional Lattices

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:

EASY

Chemistry>Physical Chemistry>Solid State>Unit Cells, Two and Three Dimensional Lattices

a

the length of the side of a cube, the distance between the body centered atom one corner atom in the cube will be

MEDIUM

Chemistry>Physical Chemistry>Solid State>Unit Cells, Two and Three Dimensional Lattices

An element has a body centered cubic (bcc) structure with a cell edge of

288 pm

. The atomic radius is

MEDIUM

Chemistry>Physical Chemistry>Solid State>Unit Cells, Two and Three Dimensional Lattices

A given metal crystallises out with a cubic structure having edge length of

361 pm

. If there are four metal atoms in one unit cell, what is the radius of one atom?

MEDIUM

Chemistry>Physical Chemistry>Solid State>Unit Cells, Two and Three Dimensional Lattices

A cubic solid is made of two elements

P

and

Q

. Atom of

Q

are at the corners of the cube and

P

at the body centre. What is the formula of the compound? What are the coordination numbers of

P

and

Q

MEDIUM

Chemistry>Physical Chemistry>Solid State>Unit Cells, Two and Three Dimensional Lattices

The ratio of number of atoms present in a simple cubic, body centered cubic and face centered cubic structure are, respectively :

EASY

Chemistry>Physical Chemistry>Solid State>Unit Cells, Two and Three Dimensional Lattices

What are two types of crystal structures shown by ice at different pressures?

EASY

Chemistry>Physical Chemistry>Solid State>Unit Cells, Two and Three Dimensional Lattices

A metal crystallizes in a face centred cubic structure. If the edge length of its unit cell is

' a'

, the closest approach between two atoms in the metallic crystal will be

EASY

Chemistry>Physical Chemistry>Solid State>Unit Cells, Two and Three Dimensional Lattices

In a cubic close packed structure, fractional contributions of an atom at the corner and at the face in the unit cell are, respectively -

MEDIUM

Chemistry>Physical Chemistry>Solid State>Unit Cells, Two and Three Dimensional Lattices

In a face-centered cubic arrangement of

A

and

B

atoms, where

A

atoms are at the corners of the unit cell and

B

atoms are at the face center, two

A

atoms are missing. The simplest formula for this compound is ________

EASY

Chemistry>Physical Chemistry>Solid State>Unit Cells, Two and Three Dimensional Lattices

Which primitive unit cell has unequal edge lengths

(a \neq b \neq c)

and all axial angles different from

90^{o}

MEDIUM

Chemistry>Physical Chemistry>Solid State>Unit Cells, Two and Three Dimensional Lattices

A metal crystallises in face centred cubic structure with metallic radius

\sqrt{2} A °

. The volume of the unit cell (in

m^{3}

) is

MEDIUM

Chemistry>Physical Chemistry>Solid State>Unit Cells, Two and Three Dimensional Lattices

Sodium metal crystallizes in a body centred cubic lattice with a unit cell edge of

4.29 Å

. The radius of sodium atom is approximately:

MEDIUM

Chemistry>Physical Chemistry>Solid State>Unit Cells, Two and Three Dimensional Lattices

A compound is formed by elements of

X, Y

and

Z

. Atoms of

Z

(anions) make

FCC

lattice. Atoms of

X

(cations) occupy all the octahedral voids. Atoms of

Y

(cations) occupy

\frac{1}{3} rd

of the tetrahedral voids. The formula of the compound is:

EASY

Chemistry>Physical Chemistry>Solid State>Unit Cells, Two and Three Dimensional Lattices

What is the packing efficiency of

fcc

crystal structure?

MEDIUM

Chemistry>Physical Chemistry>Solid State>Unit Cells, Two and Three Dimensional Lattices

Sodium crystallizes in bcc structure with radius

1.86 \times 10^{- 8} cm

. What is the edge length of unit cell of sodium?

MEDIUM

Chemistry>Physical Chemistry>Solid State>Unit Cells, Two and Three Dimensional Lattices

In a face centered cubic lattice atoms A are at the corner points and atoms B at the face centered points. If atom B is missing from one of the face centered points, the formula of the ionic compound is :

MEDIUM

Chemistry>Physical Chemistry>Solid State>Unit Cells, Two and Three Dimensional Lattices

A mineral consists of a cubic close-packed structure formed by

O^{2 -}

ions where half the octahedral voids are occupied by

A l^{3 +}

and one-eighth of the tetrahedral voids are occupied by

M n^{2 +}

. The chemical formula of the mineral is

HARD

Chemistry>Physical Chemistry>Solid State>Unit Cells, Two and Three Dimensional Lattices

The CORRECT statement(s) for cubic close packed (ccp) three dimensional structure is (are)

What is lattice of the crystalline compound?

Important Questions on Solid State

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