One mole of gas is defined as

Question

One mole of gas is defined as

A. The number of molecules in 22.4 litres of gas at S.T.P

B. The number of molecules contained | in 6 grams of 12 C isotope

C. The number of molecules in one formula weight of gas

D. The number of molecules in litre of gas

Share this question with your friends

Show all State of Matter MCQ

Comment

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

Sodium chloride has fee structure. How many $N a^{+}$ and $C l^{-}$ ions are there in the unit cell?.

A. 6 and 6

B. 4 and 4

C. 1 and 1

D. 6 and 4

Discuss this answer

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

A. Sodium

B. Solid carbon dioxide

C. Sodium chloride

D. Silicon

Discuss this answer

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

A. 6.41 sp. heat

B. 6.4/sp. heat

C. sp. heat/6.4

D. sp. heat/6.4 x 2

Discuss this answer

The Van der Waal's equation explains the behaviour of

A. ideal gases

B. real gases

C. vapours

D. non-real gases

Discuss this answer

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

Discuss this answer

In the ideal gas equation PV = nRT constant 'R' has the unit

A. joule

B. litre/mol

C. lit-atm/deg/mol

D. calorie/mole

Discuss this answer

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

Discuss this answer

The limiting radii ratio for the tetrahedral geometry is

A. 0.155

B. 0.444

C. 0.732

D. 0.225

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

The vapour density of ozone would be

A. 72

B. 8

C. 48

D. 24

Discuss this answer

An element has atomic weight 24 and equivalent weight 11.9. Its valency is

A. 1

B. 2

C. 3

D. 4

Discuss this answer

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

A. 6 and 4

B. 6 and 6

C. 4 and 4

D. 8 and 4

Discuss this answer

Volume occupied by 1 gm equivalent of oxygen at NTP is

A. 22.4 litres

B. 2.24 litres

C. 5.6 litres

D. 11.2 litres

Discuss this answer

In the gas equation PV = xT, x is a constant. The value of the constant depends upon

A. the quantity of gas

B. the quality of gas

C. type values of T and P

D. None of these

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

A. Unchanged

B. 3C

C. C/3

D. $C^{3}$

Discuss this answer

Cubic close packed arrangement of ions is described as

A. ABC AB ABC.....

B. ABC ABC......

C. AB AB..........

D. ABC CBA...

Discuss this answer

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

Discuss this answer

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

A. Cubic

B. Orthorhombic

C. Tetragonal

D. Monoclinic

Discuss this answer

The space occupied by spheres in ccp arrangement is

A. 74.06%

B. 68.05%

C. 60.4%

D. 52.4%

Discuss this answer

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

A. $H_{2} + O_{2}$

B. $N_{2} + O_{2}$

C. NO + $O_{2}$

D. Xe + Ar

Discuss this answer

If the tetrahedral sites in ccp arrangement of negative ions (Y) were half filled with cation (X), the empirical formula of the compound would be

A. $X_{2} Y$

B. XY

C. $X Y_{2}$

D. $X_{2} Y_{3}$

Discuss this answer

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

Discuss this answer

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

Discuss this answer

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

Discuss this answer

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

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

A. 2.4 litres

B. 3.6 litres

C. 2.24 litres

D. 11.2 liters

Discuss this answer

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

Discuss this answer

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

Discuss this answer

Indicate the most viscous liquid of the following

A. propanol-2

B. 1.2, ethandiol

C. 1.2,3 propentriol

D. ethanol

Discuss this answer

Accepted Answer

C. The number of molecules in one formula weight of gas

One mole of gas is defined as

Correct Answer :

Show all State of Matter MCQ

Related Questions

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

Sodium chloride has fee structure. How many $N a^{+}$ and $C l^{-}$ ions are there in the unit cell?.

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

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

The Van der Waal's equation explains the behaviour of

Which of the following will have low heat of fusion?

In the ideal gas equation PV = nRT constant 'R' has the unit

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

The limiting radii ratio for the tetrahedral geometry is

The number of atoms per unit cell in bcc arrangement is

The vapour density of ozone would be

An element has atomic weight 24 and equivalent weight 11.9. Its valency is

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

Volume occupied by 1 gm equivalent of oxygen at NTP is

In the gas equation PV = xT, x is a constant. The value of the constant depends upon

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

Cubic close packed arrangement of ions is described as

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

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

The space occupied by spheres in ccp arrangement is

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

If the tetrahedral sites in ccp arrangement of negative ions (Y) were half filled with cation (X), the empirical formula of the compound would be

Volume occupied by 4.4 gift of carbon dioxide 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

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)?

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

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

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

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

Indicate the most viscous liquid of the following

Also checkout

One mole of gas is defined as

Correct Answer :

Show all State of Matter MCQ

Related Questions

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

Sodium chloride has fee structure. How many Na+ and Cl- ions are there in the unit cell?.

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

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

The Van der Waal's equation explains the behaviour of

Which of the following will have low heat of fusion?

In the ideal gas equation PV = nRT constant 'R' has the unit

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

The limiting radii ratio for the tetrahedral geometry is

The number of atoms per unit cell in bcc arrangement is

The vapour density of ozone would be

An element has atomic weight 24 and equivalent weight 11.9. Its valency is

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

Volume occupied by 1 gm equivalent of oxygen at NTP is

In the gas equation PV = xT, x is a constant. The value of the constant depends upon

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

Cubic close packed arrangement of ions is described as

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

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

The space occupied by spheres in ccp arrangement is

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

If the tetrahedral sites in ccp arrangement of negative ions (Y) were half filled with cation (X), the empirical formula of the compound would be

Volume occupied by 4.4 gift of carbon dioxide 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

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)?

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

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

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

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

Indicate the most viscous liquid of the following

Also checkout

Sodium chloride has fee structure. How many $N a^{+}$ and $C l^{-}$ ions are there in the unit cell?.

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

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

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