Boltzmann constant is given by

Question

Boltzmann constant is given by

A. R

B. R+N

C. R:N

D. R-N

Correct Answer :

C. R:N

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For a given gas at temperature T and pressure P the root mean square velocity (RMS) is C; then at temperature T and pressure 3P the RMS is

B. 3C

C. C/3

D. $C^{3}$

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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

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Volume occupied by 1 gm equivalent of oxygen at NTP is

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

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Indicate the most viscous liquid of the following

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Certain volume of a gas exerts on its walls some pressure at a particular temperature. It has been found that by reducing the volume of the gas to half its original value, the pressure becomes I twice that the initial value of constant temperature. This happens because

Discuss this answer

In a close packed arrangement of N spheres, the number of octahedral holes are

A. N

B. 2N

C. 4N

D. 8N

Discuss this answer

Which of the following phrases would be incorrect to use?

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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

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Which of the following should be most viscous?

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Kinetic gas equation is, PV =...

A. nRT

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The number of atoms per unit cell in bcc arrangement is

A. 1

B. 4

C. 3

D. 2

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The V.D. of a gas is 11.2 gm. The volume occupied by 11.2 gm. of this gas at N.T.P. is

Discuss this answer

The mean free path of a gas molecule is the distance

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Which one of the following contains same number of molecules as 4.4 gm of carbon dioxide (mol. wt. of $C O_{2}$ = 44, Mol, wt. of $S O_{2}$ = 64)?

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22.4 litres of $S O_{2}$ at 27.3°C and 1 atmosphere pressure shall weigh

A. 32 g

B. 16 g

C. 44.8 g

D. 48.5 g

Discuss this answer

All gases tend to show ideal behaviour

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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

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

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The number of N2 molecules present in 28 nitrogen is

A. 2 x 10

Discuss this answer

The coordination number of each sphere in hcp arrangement is

A. 12

B. 8

C. 6

D. 4

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A gas or vapour may be liquefied only at a temperature at or

Discuss this answer

When there is more deviation in the behaviour of a gas from ideal gas equation PV = nRT

Discuss this answer

The ionic radii of $R b^{+}$ and $B r^{-}$ ions are 1.47 $\overset{°}{A}$ and 1.95 $\overset{°}{A}$ , respectively. The most probable type of geometry exhibited by RbBr on the radius ratio rule is

Discuss this answer

An open vessel at 37°C is heated until 3/5 of the air in it has been expelled. Assuming that the volume of the vessel remains constant the temperature to which the vessel is heated is

A. 502°C

B. 502 K

D. 925C

Discuss this answer

In NaCl type structure, the coordination number of the cation and anion are

Discuss this answer

The ratio of RMS velocity to average velocity of a gas molecule at a particular temperature is

Discuss this answer

Gases deviate from the ideal behaviour because their molecules

Discuss this answer

A balloon filled with ethane is pricked up with sharp point and quickly plunged into a tank of hydrogen at the same pressure. After some time balloon will

Discuss this answer

How many nearest neighbours are there in an octahedral hole of a close packed structure

A. 4

B. 6

C. 8

D. 12

Discuss this answer

Answer 1

A. Unchanged

Answer 2

A. 22.4 litres

Answer 3

B. 2.24 litres

Answer 4

C. 5.6 litres

Answer 5

D. 11.2 litres

Answer 6

A. vapour pressure

Answer 7

B. density

Answer 8

C.

∆ H_{v a p}

Answer 9

D. surface tension

Answer 10

A. propanol-2

Answer 11

B. 1.2, ethandiol

Answer 12

C. 1.2,3 propentriol

Answer 13

D. ethanol

Answer 14

A. More number of a gas molecules strike the surface per second

Answer 15

B. Velocity of the gas molecules increases

Answer 16

C. Gas molecules attract each other

Answer 17

D. Weight of the gas increase with volume

Answer 18

A. An atom of an element

Answer 19

B. An atom of a compound

Answer 20

C. A molecule of a compound

Answer 21

D. A molecule of an element

Answer 22

A.

C H_{3} O H

Answer 23

B.

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

Answer 24

C.

C H_{3} O C H_{3}

Answer 25

D.

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

Answer 26

B.

\frac{3}{3}

RT

Answer 27

C.

m n^{1} c^{2}

Answer 28

D.

\frac{1}{3} m n c^{2}

Answer 29

A. 12 litre

Answer 30

B. 11.2 litres

Answer 31

C. 2.24 litres

Answer 32

D. 22.4 litres

Answer 33

A. between the two opposite walls of the container

Answer 34

B. through which the molecules travel in one second

Answer 35

C. through which molecules move between two consecutive collisions

Answer 36

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

Answer 37

A. 64 gm of sulphur dioxide

Answer 38

B. 4.4 gm of sulphur dioxide

Answer 39

C. 6.4 gm of sulphur dioxide

Answer 40

D. 3.2 gm of sulphur dioxide

Answer 41

A. at low temperature and low pressure

Answer 42

B. at high temperature and high pressure

Answer 43

C. at high temperature and low pressure

Answer 44

D. at low temperature and high pressure

Answer 45

A. V(

C O_{2}

) > V(

S O_{2}

)

Answer 46

B. V(

C O_{2}

) = V(

S O_{2}

)

Answer 47

C. V(

S O_{2}

) > V(

C O_{2}

)

Answer 48

D. cannot be predicted

Answer 49

A. 1.12 litres

Answer 50

B. 2.24 litres

Answer 51

C. 22.4 litres

Answer 52

D. 11.2 litres

Answer 53

B. 6 x

^{10^{22}}

Answer 54

C. 6 x

^{10^{23}}

approximately

Answer 55

D. 5 x

^{10^{30}}

approximately

Answer 56

A. below the critical temperature

Answer 57

B. above the critical temperature

Answer 58

C. above the normal boiling point

Answer 59

D. at any temperature

Answer 60

A. at high temperature and low pressure

Answer 61

B. at low temperature and high pressure

Answer 62

C. at high temperature and high pressure

Answer 63

D. at low temperature and low pressure

Answer 64

A. NaCl type

Answer 65

B. CsCl type

Answer 66

C. Zinc blende structure

Answer 67

D. Wurtzite structure

Answer 68

C. 243.67°C

Answer 69

A. 6 and 4

Answer 70

B. 6 and 6

Answer 71

C. 4 and 4

Answer 72

D. 8 and 4

Answer 73

A. 1.086:1

Answer 74

B. 1:1.086

Answer 75

C. 2 :1.086

Answer 76

D. 1.086 : 2

Answer 77

A. possess negligible volume

Answer 78

B. have forces of attraction between them

Answer 79

C. are polyatomic

Answer 80

D. are not attracted to one another

Answer 81

A. be enlarged

Answer 82

B. be collapse

Answer 83

C. remain unchanged in size

Answer 84

D. have half its volume of the gas

Boltzmann constant is given by

Correct Answer :

Show all State of Matter MCQ

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For a given gas at temperature T and pressure P the root mean square velocity (RMS) is C; then at temperature T and pressure 3P the RMS is

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Volume occupied by 1 gm equivalent of oxygen at NTP is

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Certain volume of a gas exerts on its walls some pressure at a particular temperature. It has been found that by reducing the volume of the gas to half its original value, the pressure becomes I twice that the initial value of constant temperature. This happens because

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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

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Gases deviate from the ideal behaviour because their molecules

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Boltzmann constant is given by

Correct Answer :

Show all State of Matter MCQ

Related Questions

For a given gas at temperature T and pressure P the root mean square velocity (RMS) is C; then at temperature T and pressure 3P the RMS is

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

Volume occupied by 1 gm equivalent of oxygen at NTP is

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

Indicate the most viscous liquid of the following

Certain volume of a gas exerts on its walls some pressure at a particular temperature. It has been found that by reducing the volume of the gas to half its original value, the pressure becomes I twice that the initial value of constant temperature. This happens because

In a close packed arrangement of N spheres, the number of octahedral holes are

Which of the following phrases would be incorrect to use?

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

Which of the following should be most viscous?

Kinetic gas equation is, PV =...

The number of atoms per unit cell in bcc arrangement is

The V.D. of a gas is 11.2 gm. The volume occupied by 11.2 gm. of this gas at N.T.P. is

The mean free path of a gas molecule is the distance

Which one of the following contains same number of molecules as 4.4 gm of carbon dioxide (mol. wt. of CO2 = 44, Mol, wt. of SO2 = 64)?

22.4 litres of SO2 at 27.3°C and 1 atmosphere pressure shall weigh

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

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

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In NaCl type structure, the coordination number of the cation and anion are

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22.4 litres of $S O_{2}$ at 27.3°C and 1 atmosphere pressure shall weigh

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:

The ionic radii of $R b^{+}$ and $B r^{-}$ ions are 1.47 $\overset{°}{A}$ and 1.95 $\overset{°}{A}$ , respectively. The most probable type of geometry exhibited by RbBr on the radius ratio rule is