At what temperature, the root mean square velocity of oxygen molecules is equal to that of $S O_{2}$ at 27°C?

Question

At what temperature, the root mean square velocity of oxygen molecules is equal to that of $S O_{2}$ at 27°C?

A. 150°C

B. 150°K

C. 27°C

Correct Answer :

B. 150°K

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To which of the following mixtures is the Dalton's law of partial pressures not applicable?

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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

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The critical temperature of a substance is defined as

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In a unit cell of cesium chloride the arrangement of cesium ions is

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The number of N2 molecules present in 28 nitrogen is

A. 2 x 10

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The number of molecules in 4.25 gm of ammonia are approximately

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The molecular weight of a volatile liquid can be determined by

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The number of atoms per unit cell in simple cubic, face centred cubic and body centred cubic arrangement are, respectively

A. 8,14,9

B. 1,2,4

C. 1,4,2

D. 8,4, 2

Discuss this answer

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

A. Sodium

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The pressure of the ideal gas is less than the real gas because of the

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From the Dulong and Petit's law atomic weight is given by which one of the following relations?

Discuss this answer

Indicate the most volatile liquid of the following:

C. $H_{2} O$

Discuss this answer

The coordination number of each sphere in hcp arrangement is

A. 12

B. 8

C. 6

D. 4

Discuss this answer

The vapour density of a gas is 11.2. The volume occupied by 2.4 g of the gas at S.T.P wil be

Discuss this answer

6.If the reactants and products both are in gaseous phase they bear a simple ratio in their

C. atoms

Discuss this answer

Molecular formula of D in the above case is

A. $A B_{5}$

D. AB

Discuss this answer

The mean free path of a gas molecule is the distance

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Which of the following will have low heat of fusion?

Discuss this answer

Gases deviate from the ideal behaviour because their molecules

Discuss this answer

Which of the following should be most viscous?

Discuss this answer

The kinetic theory of gases predicts that total kinetic energy of a gaseous assembly depends upon the

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 fluorite structure coordination number of calcium ions is

A. 4

B. 6

C. 8

D. 3

Discuss this answer

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

Discuss this answer

Match box has the symmetry of which of the following systems?

A. Cubic

Discuss this answer

If all the octahedral sites in a cubic close packed arrangement ( $B^{-}$ ) are completelyfilled with $A^{+}$ cations, the empirical formula of the compound could then be

A. $A B_{2}$

B. $A_{2} B$

C. AB

Discuss this answer

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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Which of the following contains the same number of atoms as 12 gms: of Magnesium (Atomic weights : Mg = 24, C = 12, Ca = 40)

Discuss this answer

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

A. N

B. 2N

C. N/2

D. $N_{2}$

Discuss this answer

Answer 1

D. None of these

Answer 2

A.

H_{2} + O_{2}

Answer 3

B.

N_{2} + O_{2}

Answer 4

C. NO +

O_{2}

Answer 5

D. Xe + Ar

Answer 6

A. be enlarged

Answer 7

B. be collapse

Answer 8

C. remain unchanged in size

Answer 9

D. have half its volume of the gas

Answer 10

A. the temperature above which the substance decomposes

Answer 11

B. the temperature above which the substance can exist only as a gas

Answer 12

C. melting point of the substance

Answer 13

D. boiling point of the substanc

Answer 14

A. face centred cubic

Answer 15

B. hexagonal close packed

Answer 16

C. body centred cubic

Answer 17

D. simple cubic

Answer 18

A. Equal number of electrons

Answer 19

B. Equal number of ions

Answer 20

C. Equal number of atoms

Answer 21

D. Equal number of molecules

Answer 22

B. 6 x

^{10^{22}}

Answer 23

C. 6 x

^{10^{23}}

approximately

Answer 24

D. 5 x

^{10^{30}}

approximately

Answer 25

A.

0.5 \times 10^{23}

Answer 26

B.

1.5 \times 10^{23}

Answer 27

C.

2.5 \times 10^{23}

Answer 28

D.

3.5 \times 10^{23}

Answer 29

A. Dumas' method

Answer 30

B. Victor Meyer's method

Answer 31

C. Cryoscopic method

Answer 32

D. Osmotic pressure

Answer 33

B. Solid carbon dioxide

Answer 34

C. Sodium chloride

Answer 35

D. Silicon

Answer 36

A. increase in the number of collisions

Answer 37

B. volume occupied by the molecules

Answer 38

C. inter-molecular attraction

Answer 39

D. finite size of molecules

Answer 40

A. 6.41 sp. heat

Answer 41

B. 6.4/sp. heat

Answer 42

C. sp. heat/6.4

Answer 43

D. sp. heat/6.4 x 2

Answer 44

A.

C H_{3} O H

Answer 45

B.

C H_{3} O C H_{3}

Answer 46

D.

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

Answer 47

A. 2.4 litres

Answer 48

B. 3.6 litres

Answer 49

C. 2.24 litres

Answer 50

D. 11.2 liters

Answer 51

A. volumes

Answer 52

B. molecules

Answer 53

D. temperature

Answer 54

B.

A_{5} B_{2}

Answer 55

C.

A_{2} B_{5}

Answer 56

A. between the two opposite walls of the container

Answer 57

B. through which the molecules travel in one second

Answer 58

C. through which molecules move between two consecutive collisions

Answer 59

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

Answer 60

A. a molecular solid

Answer 61

B. an ionic solid

Answer 62

C. a metallic solid

Answer 63

D. a network of covalent solid

Answer 64

A. possess negligible volume

Answer 65

B. have forces of attraction between them

Answer 66

C. are polyatomic

Answer 67

D. are not attracted to one another

Answer 68

A.

C H_{3} O H

Answer 69

B.

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

Answer 70

C.

C H_{3} O C H_{3}

Answer 71

D.

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

Answer 72

A. pressure of a gas

Answer 73

B. temperature of the gas

Answer 74

C. volume of the gas

Answer 75

D. pressure, temperature and volume of the gas

Answer 76

A. 3:2:2:1

Answer 77

B. 2:1:2:3

Answer 78

C. 1:2:2:3

Answer 79

D. 1:1:1:1

Answer 80

B. Orthorhombic

Answer 81

C. Tetragonal

Answer 82

D. Monoclinic

Answer 83

D. None of these

Answer 84

A. Unchanged

Answer 85

A. 10 gms of calcium

Answer 86

B. 20 gms of carbon

Answer 87

C. 20 gms of calcium

Answer 88

D. 12 gms of carbon

At what temperature, the root mean square velocity of oxygen molecules is equal to that of $S O_{2}$ at 27°C?

Correct Answer :

Show all State of Matter MCQ

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To which of the following mixtures is the Dalton's law of partial pressures not applicable?

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At what temperature, the root mean square velocity of oxygen molecules is equal to that of SO2 at 27°C?

Correct Answer :

Show all State of Matter MCQ

Related Questions

To which of the following mixtures is the Dalton's law of partial pressures not applicable?

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

The critical temperature of a substance is defined as

In a unit cell of cesium chloride the arrangement of cesium ions is

According to Avogadro's hypothesis equal volumes of two gases under the same conditions of temperature and pressure contain

The number of N2 molecules present in 28 nitrogen is

The number of molecules in 4.25 gm of ammonia are approximately

The molecular weight of a volatile liquid can be determined by

The number of atoms per unit cell in simple cubic, face centred cubic and body centred cubic arrangement are, respectively

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

The pressure of the ideal gas is less than the real gas because of the

From the Dulong and Petit's law atomic weight is given by which one of the following relations?

Indicate the most volatile liquid of the following:

The coordination number of each sphere in hcp arrangement is

The vapour density of a gas is 11.2. The volume occupied by 2.4 g of the gas at S.T.P wil be

6.If the reactants and products both are in gaseous phase they bear a simple ratio in their

Molecular formula of D in the above case is

The mean free path of a gas molecule is the distance

Which of the following will have low heat of fusion?

Gases deviate from the ideal behaviour because their molecules

Which of the following should be most viscous?

The kinetic theory of gases predicts that total kinetic energy of a gaseous assembly depends upon the

The number of atoms per unit cell in bcc arrangement is

In fluorite structure coordination number of calcium ions is

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

Match box has the symmetry of which of the following systems?

If all the octahedral sites in a cubic close packed arrangement (B-) are completelyfilled with A+ cations, the empirical formula of the compound could then be

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

Which of the following contains the same number of atoms as 12 gms: of Magnesium (Atomic weights : Mg = 24, C = 12, Ca = 40)

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At what temperature, the root mean square velocity of oxygen molecules is equal to that of $S O_{2}$ at 27°C?

If all the octahedral sites in a cubic close packed arrangement ( $B^{-}$ ) are completelyfilled with $A^{+}$ cations, the empirical formula of the compound could then be