The Van der Waal's equation explains the behaviour of

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The Van der Waal's equation explains the behaviour of

A. ideal gases

B. real gases

C. vapours

D. non-real gases

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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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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 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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The number of N2 molecules present in 28 nitrogen is

A. 2 x 10

B. 6 x $^{10^{22}}$

C. 6 x $^{10^{23}}$ approximately

D. 5 x $^{10^{30}}$ approximately

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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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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

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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 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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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 coordination number of each sphere in hcp arrangement is

A. 12

B. 8

C. 6

D. 4

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At 303 K ethanol has a vapour pressure of about 0.118 atm., acetic acid has the vapour pressure of about 0.039 atm., and ethyl iodide has a vapour pressure of about 0.263 atm. Which of the following represents the correct order of increasing normal boiling point ?

A. $C H_{3} C O O H < C_{2} H_{5} O H < C_{2} H_{5} I$

B. $C_{2} H_{5} I < C H_{3} C O O H < C_{2} H_{5} O H$

C. $C_{2} H_{5} I < C_{2} H_{5} O H < C H_{3} C O O H$

D. $C_{2} H_{5} O H < C_{2} H_{5} I < C H_{3} C O O H$

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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 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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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

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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

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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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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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Absolute zero is the temperature at which

A. water freezes

B. all gases become liquid

C. all substances are solid

D. molecular motion ceases

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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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All gases tend to show ideal behaviour

A. at low temperature and low pressure

B. at high temperature and high pressure

C. at high temperature and low pressure

D. at low temperature and high pressure

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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

A. 3:2:2:1

B. 2:1:2:3

C. 1:2:2:3

D. 1:1:1:1

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

A. face centred cubic

B. hexagonal close packed

C. body centred cubic

D. simple cubic

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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 wt. of 2.8 litres of a gas at N.T.P. is 3.50 gms. Its V.D. is

A. 20

B. 28

C. 32

D. 14

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

A. 1

B. 2

C. 3

D. 4

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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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The radii of $A^{+}$ and $X^{-}$ are 95 pm and 181 pm respectively. Coordination number of $A^{+}$ is expected to be

A. 8

B. 6

C. 4

D. 3

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Accepted Answer

B. real gases

The Van der Waal's equation explains the behaviour of

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Related Questions

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

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

The molecular velocity of any gas is

The number of N2 molecules present in 28 nitrogen is

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

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

Which of the following will have low heat of fusion?

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

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

The coordination number of each sphere in hcp arrangement is

At 303 K ethanol has a vapour pressure of about 0.118 atm., acetic acid has the vapour pressure of about 0.039 atm., and ethyl iodide has a vapour pressure of about 0.263 atm. Which of the following represents the correct order of increasing normal boiling point ?

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

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

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

One mole of gas is defined as

Three dimensional array of points in space is called

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

Absolute zero is the temperature at which

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

All gases tend to show ideal behaviour

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

In a unit cell of cesium chloride the arrangement of cesium ions 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 wt. of 2.8 litres of a gas at N.T.P. is 3.50 gms. Its V.D. is

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

20 litres of hydrogen gas weighs about

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

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

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

The radii of $A^{+}$ and $X^{-}$ are 95 pm and 181 pm respectively. Coordination number of $A^{+}$ is expected to be

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The Van der Waal's equation explains the behaviour of

Correct Answer :

Show all State of Matter MCQ

Related Questions

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

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

The molecular velocity of any gas is

The number of N2 molecules present in 28 nitrogen is

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

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

Which of the following will have low heat of fusion?

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

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

The coordination number of each sphere in hcp arrangement is

At 303 K ethanol has a vapour pressure of about 0.118 atm., acetic acid has the vapour pressure of about 0.039 atm., and ethyl iodide has a vapour pressure of about 0.263 atm. Which of the following represents the correct order of increasing normal boiling point ?

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

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

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

One mole of gas is defined as

Three dimensional array of points in space is called

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

Absolute zero is the temperature at which

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

All gases tend to show ideal behaviour

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

In a unit cell of cesium chloride the arrangement of cesium ions 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 wt. of 2.8 litres of a gas at N.T.P. is 3.50 gms. Its V.D. is

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

20 litres of hydrogen gas weighs about

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

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

The vapour density of completely dissociated sociated NH4CL would be

The radii of A+ and X- are 95 pm and 181 pm respectively. Coordination number of A+ is expected to be

Also checkout

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

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

The radii of $A^{+}$ and $X^{-}$ are 95 pm and 181 pm respectively. Coordination number of $A^{+}$ is expected to be