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How many octahedral voids are there in $1$ mole of a compound having a cubic close-packed structure?

Important Questions on Solid State

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Chemistry>Physical Chemistry>Solid State>Packing in Solids

Write the radius ratio for tetrahedral void.

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Chemistry>Physical Chemistry>Solid State>Packing in Solids

Right option for the number of tetrahedral and octahedral voids in hexagonal primitive unit cell are:

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Chemistry>Physical Chemistry>Solid State>Packing in Solids

In CCP arrangement, the total number of octahedral voids are _________

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Chemistry>Physical Chemistry>Solid State>Packing in Solids

Draw a diagram of "two-dimension square closed packing".

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Chemistry>Physical Chemistry>Solid State>Packing in Solids

A two-dimensional solid pattern formed by two different atoms

X

and

Y

is shown below. The black and white squares represent atoms

X

and

Y

, respectively. The simplest formula for the compound based on the unit cell from the pattern is

Question Image

HARD

Chemistry>Physical Chemistry>Solid State>Packing in Solids

If the radius of the octahedral void is ' $r$ ' and radius of the atoms in close-packing is ' $R$ '. Derive relation between $r$ and $R$ .

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Chemistry>Physical Chemistry>Solid State>Packing in Solids

The empirical formula for a compound with a cubic close packed arrangement of anions and with cations occupying all the octahedral sites in

A_{x} B .

The value of

x

is (Integer answer)

HARD

Chemistry>Physical Chemistry>Solid State>Packing in Solids

A material having simple cubic lattice, is heated such that

1

site out of

8

sites becomes vacant. Assuming that the volume does not change, the packing fraction

f

of the material is [packing efficiency

\equiv (100 f) %

]

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Chemistry>Physical Chemistry>Solid State>Packing in Solids

In a binary compound, atoms of element

A

form a hcp structure and those of element

M

occupy

2 / 3

of the tetrahedral voids of the hcp structure. The formula of the binary compound is:

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Chemistry>Physical Chemistry>Solid State>Packing in Solids

A crystalline solid is made up of

X

and

Y

atoms,

X

atoms possesses CCP structure and

Y

atoms are arranged in tetrahedral voids. If all the atoms situated on a diagonal of one side are removed, what will be the molecular formula of the crystalline solid?

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Chemistry>Physical Chemistry>Solid State>Packing in Solids

What is the total number of voids in cubic closed lattice?

HARD

Chemistry>Physical Chemistry>Solid State>Packing in Solids

In a cubic closed packed structure of mixed oxide, the oxide ions are in CCP arrangement.

\frac{1}{6}

of tetrahedral voids are occupied by cations

A

and

\frac{1}{2}

of octahedral voids are occupied by cations

B

. The formula of the oxide is

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Chemistry>Physical Chemistry>Solid State>Packing in Solids

How will you distinguish between the following pair of term?
Tetrahedral void and octahedral void?

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Chemistry>Physical Chemistry>Solid State>Packing in Solids

Atoms of element

B

form hcp lattice and those of the element

A

occupy

\frac{1}{3}

rd of tetrahedral voids. What is the formula of the compound formed by the elements

A

and

B

HARD

Chemistry>Physical Chemistry>Solid State>Packing in Solids

How will you distinguish between the following pair of term?
Hexagonal close-packing and cubic close packing?

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Chemistry>Physical Chemistry>Solid State>Packing in Solids

A metal $M$ forms hexagonal close-packed structure. The total number of voids in $0.02 mol$ of it is _____ $\times 10^{21}$ (Nearest integer)

(Given $N_{A} = 6.02 \times 10^{23}$ )

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Chemistry>Physical Chemistry>Solid State>Packing in Solids

What is the number of octahedral void(s) per atom present in a cubic close-packed structure ?

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Chemistry>Physical Chemistry>Solid State>Packing in Solids

Ga

(atomic mass

70 u

) crystallizes in a hexagonal close packed structure. The total number of voids in

0.581 g

Ga

is ________

\times 10^{21}

. (Round off to the Nearest Integer).

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Chemistry>Physical Chemistry>Solid State>Packing in Solids

In a compound, atoms of elements

Y

form ccp lattice and those of element

X

occupy

2 / 3 rd

of tetrahedral voids. The formula of the compound can be

MEDIUM

Chemistry>Physical Chemistry>Solid State>Packing in Solids

How will you distinguish between the following pair of terms:

Tetrahedral void and octahedral void?

How many octahedral voids are there in 1 mole of a compound having a cubic close-packed structure?

Important Questions on Solid State

Learn and Prepare for any exam you want !

How many octahedral voids are there in $1$ mole of a compound having a cubic close-packed structure?