In a dose packed arrangement of N spheres, the number of tetrahedral holes are

Question

In a dose packed arrangement of N spheres, the number of tetrahedral holes are

A. N

B. 2N

C. N/2

D. $N_{2}$

Correct Answer :

B. 2N

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Gases deviate from the ideal behaviour because their molecules

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Four 1 litre flasks are separately filled with hydrogen, helium, oxygen and ozone gases at the same temperature and pressure. The ratio of total number of atoms of these gases present in the different flasks would be

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In a solid atoms A are arranged in ccp array. Atoms B occupy all the octahedral voids and half the tetrahedral voids. The formula of the compound is expected to be

A. $A B_{2}$

B. $A B_{3}$

D. $A_{2} B$

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Absolute zero is the temperature at which

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Volume occupied by 4.4 gift of carbon dioxide is

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The mean free path of a gas molecule is the distance

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Equal weights of methane and hydrogen are mixed in an empty container at 25°C. The fraction of the total pressure exerted by methane is

A. 1/2

B. 1/3

C. 1/9

D. 8/9

Discuss this answer

The vapour density of ozone would be

A. 72

B. 8

C. 48

D. 24

Discuss this answer

The number of molecules in 32 gms of oxygen in

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Which compound possesses greatest lattice energy?

A. LiF

B. NaF

C. KF

D. CsF

Discuss this answer

What will be the mass of 6.023 x $10^{23}$ molecules of carbon monoxide?

A. 14 gm

B. 28 gm

C. 16 gm

D. 44 gm

Discuss this answer

Which of the following should be most viscous?

Discuss this answer

1.The correct relationship representing the volume occupied by 44 gm of $C O_{2}$ and 64 gm of $S O_{2}$ at constant temperahire and pressure:

Discuss this answer

How many nearest neighbours are there in an atom or ion in an octahedral hole of a close packed structure?

A. 4

B. 6

C. 8

D. 18

Discuss this answer

A closed vessel contains equal number of molecules of a total pressure at 740 mm. If oxygen is removed from the system the pressure will

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The number of molecules is 4.25 g of ammonia are approximately

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The number of molecules in 4.25 gm of ammonia are approximately

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Vapour density of a gas is 35.5. The volume occupied by 3.55 gm of the gas at NTPis

Discuss this answer

Kinetic theory of gases postulates :

Discuss this answer

What is the vapour pressure of benzoyl chloride at its boiling point (197°C)?

Discuss this answer

Sodium chloride has fee structure. How many $N a^{+}$ and $C l^{-}$ ions are there in the unit cell?.

Discuss this answer

An example of covalent solid is

B. NaCl

C. Copper

D. $C O_{2}$

Discuss this answer

Molecular formula of D in the above case is

A. $A B_{5}$

D. AB

Discuss this answer

The number of molecules of $C O_{2}$ present in 44 gms. of $C O_{2}$ is

Discuss this answer

The vol. of 20 gms of nitrogen at N.T.P.

Discuss this answer

Of the following properties, the magnitude of one must always increase with temperature. The property is

Discuss this answer

The number of atoms per unit cell in bcc arrangement is

A. 1

B. 4

C. 3

D. 2

Discuss this answer

In anti-fluorite structure the negative ions

Discuss this answer

Which of the following is an example of covalent network solid?

A. Sodium

Discuss this answer

The limiting radii ratio for the tetrahedral geometry is

A. 0.155

B. 0.444

C. 0.732

D. 0.225

Discuss this answer

Answer 1

A. possess negligible volume

Answer 2

B. have forces of attraction between them

Answer 3

C. are polyatomic

Answer 4

D. are not attracted to one another

Answer 5

A. 1:1:1:1

Answer 6

B. 1:2:2:3

Answer 7

C. 2:1:2:3

Answer 8

D. 3:2:2:1

Answer 9

C.

A_{2} B_{3}

Answer 10

A. water freezes

Answer 11

B. all gases become liquid

Answer 12

C. all substances are solid

Answer 13

D. molecular motion ceases

Answer 14

A. 4.4 litres

Answer 15

B. 2.24 litres

Answer 16

C. 22.4 litres

Answer 17

D. 4.48 litres

Answer 18

A. between the two opposite walls of the container

Answer 19

B. through which the molecules travel in one second

Answer 20

C. through which molecules move between two consecutive collisions

Answer 21

D. travelled by all the molecules divided by the total number of molecules in a particular gas

Answer 22

A. 6.02 x

^{10^{10}}

Answer 23

B. 3.2 x

^{10^{23}}

Answer 24

C. 6.02 x

^{10^{22}}

Answer 25

D. 32 x

^{10^{10}}

Answer 26

A.

C H_{3} O H

Answer 27

B.

C H_{3} C H_{2} O H

Answer 28

C.

C H_{3} O C H_{3}

Answer 29

D.

H O C H_{2} C H_{2} O H

Answer 30

A. V(

C O_{2}

) > V(

S O_{2}

)

Answer 31

B. V(

C O_{2}

) = V(

S O_{2}

)

Answer 32

C. V(

S O_{2}

) > V(

C O_{2}

)

Answer 33

D. cannot be predicted

Answer 34

A. become half of 740 mm

Answer 35

B. remain unchanged

Answer 36

C. become 1/9 of 740 mm

Answer 37

D. become double of 740 mm

Answer 38

A. 3.5 x

^{10^{23}}

Answer 39

B. 2.5 x

^{10^{23}}

Answer 40

C. 1.5 x

^{10^{23}}

Answer 41

D. 0.5 x

^{10^{23}}

Answer 42

A.

0.5 \times 10^{23}

Answer 43

B.

1.5 \times 10^{23}

Answer 44

C.

2.5 \times 10^{23}

Answer 45

D.

3.5 \times 10^{23}

Answer 46

A. 1.12 litres

Answer 47

B. 2.24 litres

Answer 48

C. 22.4 litres

Answer 49

D. 11.2 litres

Answer 50

A. The molecules in a gas are in stationary state

Answer 51

B. The molecules in a gas exert appreciable attraction on each other

Answer 52

C. The molecules move in a random motion with widely different velocities

Answer 53

D. The molecules in a gas collide against each other as well as the wall of the container, but do not change their direction of motion

Answer 54

A. 760 torr

Answer 55

B. 380 torr

Answer 56

C. 197 torr

Answer 57

D. None of these

Answer 58

A. 6 and 6

Answer 59

B. 4 and 4

Answer 60

C. 1 and 1

Answer 61

D. 6 and 4

Answer 62

A. diamond

Answer 63

B.

A_{5} B_{2}

Answer 64

C.

A_{2} B_{5}

Answer 65

A. 6 x

^{10^{23}}

approx

Answer 66

B.

10^{30}

approx

Answer 67

C. 3 x

^{10^{10}}

approx

Answer 68

D. 12 x

^{10^{23}}

approx

Answer 69

A. 16 litres

Answer 70

B. 36 litres

Answer 71

C. 8 litre

Answer 72

D. 32 litres

Answer 73

A. vapour pressure

Answer 74

B. density

Answer 75

C.

∆ H_{v a p}

Answer 76

D. surface tension

Answer 77

A. occupy tetrahedral voids

Answer 78

B. occupy octahedral voids

Answer 79

C. are arranged in ccp

Answer 80

D. are arranged in hcp

Answer 81

B. Solid carbon dioxide

Answer 82

C. Sodium chloride

Answer 83

D. Silicon

In a dose packed arrangement of N spheres, the number of tetrahedral holes are

Correct Answer :

Show all State of Matter MCQ

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Four 1 litre flasks are separately filled with hydrogen, helium, oxygen and ozone gases at the same temperature and pressure. The ratio of total number of atoms of these gases present in the different flasks would be

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Also checkout

In a dose packed arrangement of N spheres, the number of tetrahedral holes are

Correct Answer :

Show all State of Matter MCQ

Related Questions

Gases deviate from the ideal behaviour because their molecules

Four 1 litre flasks are separately filled with hydrogen, helium, oxygen and ozone gases at the same temperature and pressure. The ratio of total number of atoms of these gases present in the different flasks would be

In a solid atoms A are arranged in ccp array. Atoms B occupy all the octahedral voids and half the tetrahedral voids. The formula of the compound is expected to be

Absolute zero is the temperature at which

Volume occupied by 4.4 gift of carbon dioxide is

The mean free path of a gas molecule is the distance

Equal weights of methane and hydrogen are mixed in an empty container at 25°C. The fraction of the total pressure exerted by methane is

The vapour density of ozone would be

The number of molecules in 32 gms of oxygen in

Which compound possesses greatest lattice energy?

What will be the mass of 6.023 x 1023 molecules of carbon monoxide?

Which of the following should be most viscous?

1.The correct relationship representing the volume occupied by 44 gm of CO2 and 64 gm of SO2 at constant temperahire and pressure:

How many nearest neighbours are there in an atom or ion in an octahedral hole of a close packed structure?

A closed vessel contains equal number of molecules of a total pressure at 740 mm. If oxygen is removed from the system the pressure will

The number of molecules is 4.25 g of ammonia are approximately

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Kinetic theory of gases postulates :

What is the vapour pressure of benzoyl chloride at its boiling point (197°C)?

Sodium chloride has fee structure. How many Na+ and Cl- ions are there in the unit cell?.

An example of covalent solid is

Molecular formula of D in the above case is

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The vol. of 20 gms of nitrogen at N.T.P.

Of the following properties, the magnitude of one must always increase with temperature. The property is

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Sodium chloride has fee structure. How many $N a^{+}$ and $C l^{-}$ ions are there in the unit cell?.

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