Kinetic theory of gases postulates :

Question

Kinetic theory of gases postulates :

A. The molecules in a gas are in stationary state

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

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

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

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Which of the following methods is used to determine the atomic weight?

A. Victor Meyer's method

B. Dumas' method

C. Cannizaro's method

D. None of these

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Correct gas equation is

A. $\frac{P_{1} V_{1}}{P_{2} V_{2}} = \frac{T_{1}}{T_{2}}$

B. $\frac{V_{1} T_{2}}{P_{1}} = \frac{P_{2} T_{1}}{T_{2}}$

C. $\frac{P_{1} T_{1}}{V_{1}} = \frac{P_{2} T_{2}}{V_{2}}$

D. $\frac{V_{1} V_{2}}{T_{1} T_{2}} = P_{1} P_{2}$

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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)?

A. 64 gm of sulphur dioxide

B. 4.4 gm of sulphur dioxide

C. 6.4 gm of sulphur dioxide

D. 3.2 gm of sulphur dioxide

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20 litres of hydrogen gas weighs about

A. 1.8 g

B. 3.6 g

C. 224 g

D. 12.2 g

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The number of molecules in 4.25 gm of ammonia are approximately

A. $0.5 \times 10^{23}$

B. $1.5 \times 10^{23}$

C. $2.5 \times 10^{23}$

D. $3.5 \times 10^{23}$

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

A. 16 litres

B. 36 litres

C. 8 litre

D. 32 litres

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When an ideal gas undergoes unrestricted expansion, no cooling occurs because the molecules

A. are above inversion temperature

B. exert no attractive force on each other

C. do work equal to loss in kinetic energy

D. collide without loss of energy

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

A. 6 x $^{10^{23}}$ approx

B. $10^{30}$ approx

C. 3 x $^{10^{10}}$ approx

D. 12 x $^{10^{23}}$ approx

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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

A. be enlarged

B. be collapse

C. remain unchanged in size

D. have half its volume of the gas

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The number of atoms in 0.004 gm of magnesium is close to

A. 36x $^{10^{5}}$

B. $^{10^{20}}$

C. 5 x $^{10^{20}}$

D. 6.02 x $^{10^{23}}$

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In anti-fluorite structure the negative ions

A. occupy tetrahedral voids

B. occupy octahedral voids

C. are arranged in ccp

D. are arranged in hcp

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The vapour density of pure ozone would be

A. 32

B. 8

C. 12

D. 24

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A liquid of density 1.742 g $c m^{- 3}$ is observed to show a capillary rise of 73 mm in a tube of radius 0.65 mm. Then the surface tension of the liquid is

A. 4.1 x $^{10^{- 2}}$ dynes $c m^{- 1}$

B. 4.1 x $10^{3}$ dynes $c m^{- 1}$

C. 7.1 x $10^{- 3}$ dynes $c m^{- 1}$

D. None of these

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22.4 litre of any gas at N.T.P. will contain

A. One gram equivalent

B. One gram atomic weight

C. One gram atom

D. One gram molecule

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Which of the following should be most viscous?

A. $C H_{3} O H$

B. $C H_{3} C H_{2} O H$

C. $C H_{3} O C H_{3}$

D. $H O C H_{2} C H_{2} O H$

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The vapour density of completely dissociated sociated $N H_{4} C L$ would be

A. Determined by the amount of solid $N H_{4} C L$ used in the experiment

B. Triple to that of $N H_{4} C L$

C. Half of that $N H_{4} C L$

D. Slightly less than half of that of $N H_{4} C L$

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Indicate the most viscous liquid of the following

A. propanol-2

B. 1.2, ethandiol

C. 1.2,3 propentriol

D. ethanol

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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

A. 1:1:1:1

B. 1:2:2:3

C. 2:1:2:3

D. 3:2:2:1

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

A. vapour pressure

B. density

C. $∆ H_{v a p}$

D. surface tension

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Arrange the following in order of increasing inter-molecular forces and boiling points: $N H_{3}$ ,He, $C l_{2}$

A. $H e < C l_{2} < N H_{3}$

B. $H e > C l_{2} > N H_{3}$

C. $C l_{2} < H e < N H_{3}$

D. $N H_{3} < H e < C l_{2}$

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Avogadro stated that under similar conditions of temperature and pressure equal volumes of all gases contain equal number of

A. atoms

B. molecules

C. electrons

D. ions

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The molecular weight of a volatile liquid can be determined by

A. Dumas' method

B. Victor Meyer's method

C. Cryoscopic method

D. Osmotic pressure

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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

A. Unchanged

B. 3C

C. C/3

D. $C^{3}$

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The limiting radii ratio for the tetrahedral geometry is

A. 0.155

B. 0.444

C. 0.732

D. 0.225

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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

A. NaCl type

B. CsCl type

C. Zinc blende structure

D. Wurtzite structure

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If the temperature and pressure remain unchanged the volume of $O_{2}$ obtained by the decomposition of a certain volume of $S O_{2}$ will be

A. Triple the volume of $S O_{2}$

B. Half the volume of $S O_{2}$

C. Equal to the volume of $S O_{2}$

D. One third the volume of $S O_{2}$

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What will be the mass of 6.03 x $^{10^{23}}$ molecules of carbon monoxide ?

A. 18.00

B. 28.01

C. 56.02

D. 14.05

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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

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7.Which of the following sets of conditions represent the easiest way to liquefy a gas?

A. Low temperature and high pressure

B. High temperature and low pressure

C. High temperature and low pressure

D. None of these

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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

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Accepted Answer

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

Kinetic theory of gases postulates :

Correct Answer :

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Related Questions

Which of the following methods is used to determine the atomic weight?

Correct gas equation is

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)?

20 litres of hydrogen gas weighs about

The number of molecules in 4.25 gm of ammonia are approximately

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

When an ideal gas undergoes unrestricted expansion, no cooling occurs because the molecules

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

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 number of atoms in 0.004 gm of magnesium is close to

In anti-fluorite structure the negative ions

The vapour density of pure ozone would be

A liquid of density 1.742 g $c m^{- 3}$ is observed to show a capillary rise of 73 mm in a tube of radius 0.65 mm. Then the surface tension of the liquid is

22.4 litre of any gas at N.T.P. will contain

Which of the following should be most viscous?

The vapour density of completely dissociated sociated $N H_{4} C L$ would be

Indicate the most viscous liquid of the following

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

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

Arrange the following in order of increasing inter-molecular forces and boiling points: $N H_{3}$ ,He, $C l_{2}$

Avogadro stated that under similar conditions of temperature and pressure equal volumes of all gases contain equal number of

The molecular weight of a volatile liquid can be determined by

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

The limiting radii ratio for the tetrahedral geometry is

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

If the temperature and pressure remain unchanged the volume of $O_{2}$ obtained by the decomposition of a certain volume of $S O_{2}$ will be

What will be the mass of 6.03 x $^{10^{23}}$ molecules of carbon monoxide ?

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

7.Which of the following sets of conditions represent the easiest way to liquefy a gas?

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

Also checkout

Kinetic theory of gases postulates :

Correct Answer :

Show all State of Matter MCQ

Related Questions

Which of the following methods is used to determine the atomic weight?

Correct gas equation is

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)?

20 litres of hydrogen gas weighs about

The number of molecules in 4.25 gm of ammonia are approximately

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

When an ideal gas undergoes unrestricted expansion, no cooling occurs because the molecules

The number of molecules of CO2 present in 44 gms. of CO2 is

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 number of atoms in 0.004 gm of magnesium is close to

In anti-fluorite structure the negative ions

The vapour density of pure ozone would be

A liquid of density 1.742 g cm-3 is observed to show a capillary rise of 73 mm in a tube of radius 0.65 mm. Then the surface tension of the liquid is

22.4 litre of any gas at N.T.P. will contain

Which of the following should be most viscous?

The vapour density of completely dissociated sociated NH4CL would be

Indicate the most viscous liquid of the following

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

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

Arrange the following in order of increasing inter-molecular forces and boiling points:NH3,He,Cl2

Avogadro stated that under similar conditions of temperature and pressure equal volumes of all gases contain equal number of

The molecular weight of a volatile liquid can be determined by

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

The limiting radii ratio for the tetrahedral geometry is

The ionic radii of Rb+ and Br- ions are 1.47 A° and 1.95 A°, respectively. The most probable type of geometry exhibited by RbBr on the radius ratio rule is

If the temperature and pressure remain unchanged the volume of O2obtained by the decomposition of a certain volume of SO2 will be

What will be the mass of 6.03 x 1023 molecules of carbon monoxide ?

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

7.Which of the following sets of conditions represent the easiest way to liquefy a gas?

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

Also checkout

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)?

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

A liquid of density 1.742 g $c m^{- 3}$ is observed to show a capillary rise of 73 mm in a tube of radius 0.65 mm. Then the surface tension of the liquid is

The vapour density of completely dissociated sociated $N H_{4} C L$ would be

Arrange the following in order of increasing inter-molecular forces and boiling points: $N H_{3}$ ,He, $C l_{2}$

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

If the temperature and pressure remain unchanged the volume of $O_{2}$ obtained by the decomposition of a certain volume of $S O_{2}$ will be

What will be the mass of 6.03 x $^{10^{23}}$ molecules of carbon monoxide ?

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