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

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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

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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

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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 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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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

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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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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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One gram molecule of a gas at N.T.P occupies 22.4 litres. This fact was derived from

A. Benjamin hypothesis

B. Avogadro's hypothesis

C. Dalton's theory

D. Law of atomic volume

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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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Chloroform and benzene form a pair of miscible liquids. These can be separated by

A. a separating funnel

B. distillation

C. sublimation

D. filtration

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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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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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In which one of the following does diffusion occur most rapidly?

A. Solid

B. Liquid

C. Gases

D. Gels

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How many moles of water are present in 180 gm. of water ?

A. 11

B. 5

C. 90

D. 21

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Which of the following would you expect to affect the vapour pressure of a liquid?

A. Inter-molecular forces in the liquid

B. Volume of the liquid in the liquid-vapour equilibrium

C. Volume of the vapour in the liquid-vapour equilibrium

D. The size of the container in which liquid-vapour equilibrium is establishe

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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 molecules in 32 gms of oxygen in

A. 6.02 x $^{10^{10}}$

B. 3.2 x $^{10^{23}}$

C. 6.02 x $^{10^{22}}$

D. 32 x $^{10^{10}}$

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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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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 pure ozone would be

A. 32

B. 8

C. 12

D. 24

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Which compound possesses greatest lattice energy?

A. LiF

B. NaF

C. KF

D. CsF

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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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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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In a closed packed structure the pattern ABAB...... represents which one of the following:

A. ccp

B. hcp

C. fccp

D. bcc

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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 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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The number of atoms per unit cell in bcc arrangement is

A. 1

B. 4

C. 3

D. 2

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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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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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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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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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Accepted Answer

B. 4 and 4

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

Correct Answer :

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Related Questions

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

The number of molecules is 4.25 g of ammonia are approximately

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

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

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

Kinetic theory of gases postulates :

One gram molecule of a gas at N.T.P occupies 22.4 litres. This fact was derived from

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

Chloroform and benzene form a pair of miscible liquids. These can be separated by

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

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

In which one of the following does diffusion occur most rapidly?

How many moles of water are present in 180 gm. of water ?

Which of the following would you expect to affect the vapour pressure of a liquid?

The molecular velocity of any gas is

The number of molecules in 32 gms of oxygen in

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:

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 pure ozone would be

Which compound possesses greatest lattice energy?

Indicate the most volatile liquid of the following:

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

In a closed packed structure the pattern ABAB...... represents which one of the following:

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

The Van der Waal's equation explains the behaviour of

The number of atoms per unit cell in bcc arrangement is

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

Indicate the most viscous liquid of the following

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 ?

In anti-fluorite structure the negative ions

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

Correct Answer :

Show all State of Matter MCQ

Related Questions

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

The number of molecules is 4.25 g of ammonia are approximately

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

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

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

Kinetic theory of gases postulates :

One gram molecule of a gas at N.T.P occupies 22.4 litres. This fact was derived from

The vapour density of completely dissociated sociated NH4CL would be

Chloroform and benzene form a pair of miscible liquids. These can be separated by

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

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

In which one of the following does diffusion occur most rapidly?

How many moles of water are present in 180 gm. of water ?

Which of the following would you expect to affect the vapour pressure of a liquid?

The molecular velocity of any gas is

The number of molecules in 32 gms of oxygen in

1.The correct relationship representing the volume occupied by 44 gm of CO2 and 64 gm of SO2 at constant temperahire and pressure:

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 pure ozone would be

Which compound possesses greatest lattice energy?

Indicate the most volatile liquid of the following:

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

In a closed packed structure the pattern ABAB...... represents which one of the following:

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

The Van der Waal's equation explains the behaviour of

The number of atoms per unit cell in bcc arrangement is

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

Indicate the most viscous liquid of the following

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 ?

In anti-fluorite structure the negative ions

Also checkout

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

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

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

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: