The molecular velocity of any gas is

Question

The molecular velocity of any gas is

A. proportional to absolute temperature

B. proportional to the square root of absolute temperature

C. independent of temperature

D. proportional to die square of absolute temperature

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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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Volume occupied by 4.4 gift of carbon dioxide is

A. 4.4 litres

B. 2.24 litres

C. 22.4 litres

D. 4.48 litres

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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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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 molecular velocity of any gas is

A. proportional to absolute temperature

B. proportional to the square root of absolute temperature

C. independent of temperature

D. proportional to die square of absolute temperature

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

A. Sodium

B. Solid carbon dioxide

C. Sodium chloride

D. Silicon

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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 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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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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An example of covalent solid is

A. diamond

B. NaCl

C. Copper

D. $C O_{2}$

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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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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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Density of a gas relative to air is 2.3. If the average molar mass of air is 29.08/mol, the molecular mass of the gas will be

A. 29 gm/mole

B. 66.7 gm/mole

C. 12.67 gm/mole

D. 25.22 gm/mole

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

A. 1.086:1

B. 1:1.086

C. 2 :1.086

D. 1.086 : 2

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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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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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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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Molecular formula of D in the above case is

A. $A B_{5}$

B. $A_{5} B_{2}$

C. $A_{2} B_{5}$

D. AB

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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 number of molecules is 4.25 g of ammonia are approximately

A. 3.5 x $^{10^{23}}$

B. 2.5 x $^{10^{23}}$

C. 1.5 x $^{10^{23}}$

D. 0.5 x $^{10^{23}}$

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The space occupied by spheres in ccp arrangement is

A. 74.06%

B. 68.05%

C. 60.4%

D. 52.4%

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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?

A. 150°C

B. 150°K

C. 27°C

D. None of these

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The weight of 11.2 litres of $C O_{2}$ at S.T.P. would be

A. 22 gms

B. 66 gms

C. 11 gms

D. 16 gms

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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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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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In what ratio by mass carbon monoxide and nitrogen should be mixed so that partial pressure exerted by each gas is same?

A. $m (N_{2}) = m (C O)$

B. $m (N_{2}) = 2 m (C O)$

C. $m (N_{2}) = 0.5 m (C O)$

D. None of these

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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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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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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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Accepted Answer

B. proportional to the square root of absolute temperature

The molecular velocity of any gas is

Correct Answer :

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Related Questions

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

Volume occupied by 4.4 gift of carbon dioxide 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

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 molecular velocity of any gas is

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

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

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

20 litres of hydrogen gas weighs about

An example of covalent solid is

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

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

Density of a gas relative to air is 2.3. If the average molar mass of air is 29.08/mol, the molecular mass of the gas will be

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

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

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

The number of molecules in 4.25 gm of ammonia are approximately

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

Molecular formula of D in the above case is

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

The number of molecules is 4.25 g of ammonia are approximately

The space occupied by spheres in ccp arrangement is

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

The weight of 11.2 litres of $C O_{2}$ at S.T.P. would be

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

In what ratio by mass carbon monoxide and nitrogen should be mixed so that partial pressure exerted by each gas is same?

Kinetic theory of gases postulates :

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

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

Also checkout

The molecular velocity of any gas is

Correct Answer :

Show all State of Matter MCQ

Related Questions

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

Volume occupied by 4.4 gift of carbon dioxide 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

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 molecular velocity of any gas is

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

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

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

20 litres of hydrogen gas weighs about

An example of covalent solid is

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

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

Density of a gas relative to air is 2.3. If the average molar mass of air is 29.08/mol, the molecular mass of the gas will be

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

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

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

The number of molecules in 4.25 gm of ammonia are approximately

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

Molecular formula of D in the above case is

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

The number of molecules is 4.25 g of ammonia are approximately

The space occupied by spheres in ccp arrangement is

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

The weight of 11.2 litres of CO2 at S.T.P. would be

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

In what ratio by mass carbon monoxide and nitrogen should be mixed so that partial pressure exerted by each gas is same?

Kinetic theory of gases postulates :

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

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

Also checkout

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

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

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

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

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

The weight of 11.2 litres of $C O_{2}$ at S.T.P. would be