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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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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Which of the following will have low heat of fusion?

A. a molecular solid

B. an ionic solid

C. a metallic solid

D. a network of covalent solid

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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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The average kinetic energy of the molecule of $S O_{2}$ (moL wt. = 64) at 27°C is E. Then the average kinetic energy of $C O_{2}$ at 27°C is

A. $\frac{E \times 64}{44}$

B. $\frac{E \times 44}{64}$

C. E

D. 22E

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

A. pressure of a gas

B. temperature of the gas

C. volume of the gas

D. pressure, temperature and volume of the gas

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

A. N

B. 2N

C. 4N

D. 8N

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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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In a face centred cubic arrangement of ions, the coordination number of ions is

A. 6

B. 8

C. 12

D. 4

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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. $A B_{3}$

C. $A_{2} B_{3}$

D. $A_{2} B$

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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)

A. 10 gms of calcium

B. 20 gms of carbon

C. 20 gms of calcium

D. 12 gms of carbon

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Which of the following is an amorphous solid?

A. NaCl

B. $C a F_{2}$

C. Diamond

D. Glass

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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

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

B. Velocity of the gas molecules increases

C. Gas molecules attract each other

D. Weight of the gas increase with volume

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The vapour density of a gas in 35.5. The volume occupies by 3.55 gms of the gas at N.T.P. is

A. 224 litres

B. 2.24 litres

C. 11.12 litres

D. 1.12 litres

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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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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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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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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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Three dimensional array of points in space is called

A. unit cell

B. crystal lattice

C. micro-crystal

D. None of these

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

A. below the critical temperature

B. above the critical temperature

C. above the normal boiling point

D. at any temperature

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Indicate the most volatile liquid of the following:

A. $C H_{3} O H$

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

C. $H_{2} O$

D. $C H_{3} C H_{2} O C H_{2} C H_{3}$

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

A. 1.12 litres

B. 2.24 litres

C. 22.4 litres

D. 11.2 litres

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A chalk box exhibits

A. cubic geometry

B. monoclinic geometry

C. orthorhombic geometry

D. tetragonal

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The temperature at which a real gas obeys the ideal gas laws over a wide range of pressure:

A. critical temperature

B. Boyle's temperature

C. inversion temperature

D. reduced temperature

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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:

A. V( $C O_{2}$ ) > V( $S O_{2}$ )

B. V( $C O_{2}$ ) = V( $S O_{2}$ )

C. V( $S O_{2}$ ) > V( $C O_{2}$ )

D. cannot be predicted

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Which compound possesses greatest lattice energy?

A. LiF

B. NaF

C. KF

D. CsF

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

A. at high temperature and low pressure

B. at low temperature and high pressure

C. at high temperature and high pressure

D. at low temperature and low pressure

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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

A. 12 litre

B. 11.2 litres

C. 2.24 litres

D. 22.4 litres

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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

C. 243.67°C

D. 925C

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The number of tetrahedral and octahedral voids per atom in a crystal lattice are, respectively

A. 1,1

B. 2,2

C. 2,1

D. 2,6

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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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Accepted Answer

A. Unchanged

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

Correct Answer :

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Related Questions

Which of the following will have low heat of fusion?

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

The average kinetic energy of the molecule of $S O_{2}$ (moL wt. = 64) at 27°C is E. Then the average kinetic energy of $C O_{2}$ at 27°C is

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

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

20 litres of hydrogen gas weighs about

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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

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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The temperature at which a real gas obeys the ideal gas laws over a wide range of pressure:

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:

Which compound possesses greatest lattice energy?

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

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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

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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)?

Also checkout

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

Correct Answer :

Show all State of Matter MCQ

Related Questions

Which of the following will have low heat of fusion?

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

The average kinetic energy of the molecule of SO2 (moL wt. = 64) at 27°C is E. Then the average kinetic energy of CO2 at 27°C is

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

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

20 litres of hydrogen gas weighs about

In a face centred cubic arrangement of ions, the coordination number of ions is

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

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

Which of the following is an amorphous solid?

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

The vapour density of a gas in 35.5. The volume occupies by 3.55 gms of the gas at N.T.P. is

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

Correct gas equation is

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

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

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Indicate the most volatile liquid of the following:

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The temperature at which a real gas obeys the ideal gas laws over a wide range of pressure:

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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

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

The number of tetrahedral and octahedral voids per atom in a crystal lattice are, respectively

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)?

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The average kinetic energy of the molecule of $S O_{2}$ (moL wt. = 64) at 27°C is E. Then the average kinetic energy of $C O_{2}$ at 27°C is

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:

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

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