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

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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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Number of molecules of carbon dioxide present in 44 gm $C O_{2}$ is

A. 12 x $^{10^{23}}$ approximately

B. 3 x $^{10^{10}}$ approximately

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

D. 3 x $^{10^{23}}$ approximately

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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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According to Avogadro's hypothesis equal volumes of two gases under the same conditions of temperature and pressure contain

A. Equal number of electrons

B. Equal number of ions

C. Equal number of atoms

D. Equal number of molecules

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Gases deviate from the ideal behaviour because their molecules

A. possess negligible volume

B. have forces of attraction between them

C. are polyatomic

D. are not attracted to one another

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Of the following properties, the magnitude of one must always increase with temperature. The property is

A. vapour pressure

B. density

C. $∆ H_{v a p}$

D. surface tension

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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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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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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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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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Which of the following should be most viscous?

A. $C H_{3} O H$

B. $C H_{3} C H_{2} O H$

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

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

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How many nearest neighbours are there in an atom or ion in an octahedral hole of a close packed structure?

A. 4

B. 6

C. 8

D. 18

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The vol. of 20 gm. of hydrogen at N.T.P. is

A. 22.4 litres

B. 112 litres

C. 12 litres

D. 224 litres

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The best electrical conductor of the following is

A. $C O_{2}$ (s)

B. Si(s)

C. NaCl (fused)

D. $B r_{2}$ (I)

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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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Which of the following is an amorphous solid?

A. NaCl

B. $C a F_{2}$

C. Diamond

D. Glass

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Kinetic gas equation is, PV =...

A. nRT

B. $\frac{3}{3}$ RT

C. $m n^{1} c^{2}$

D. $\frac{1}{3} m n c^{2}$

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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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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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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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The pressure of the ideal gas is less than the real gas because of the

A. increase in the number of collisions

B. volume occupied by the molecules

C. inter-molecular attraction

D. finite size of molecules

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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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What will be the mass of 6.023 x $10^{23}$ molecules of carbon monoxide?

A. 14 gm

B. 28 gm

C. 16 gm

D. 44 gm

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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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When an ideal gas undergoes unrestricted expansion, no cooling occurs because the molecules

A. are above inversion temperature

B. exert no attractive force on each other

C. do work equal to loss in kinetic energy

D. collide without loss of energy

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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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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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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 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 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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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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Accepted Answer

A. 1.12 litres

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

Correct Answer :

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Related Questions

Number of molecules of carbon dioxide present in 44 gm $C O_{2}$ is

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

According to Avogadro's hypothesis equal volumes of two gases under the same conditions of temperature and pressure contain

Gases deviate from the ideal behaviour because their molecules

Of the following properties, the magnitude of one must always increase with temperature. The property is

Which of the following will have low heat of fusion?

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

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

Three dimensional array of points in space is called

Which of the following should be most viscous?

How many nearest neighbours are there in an atom or ion in an octahedral hole of a close packed structure?

The vol. of 20 gm. of hydrogen at N.T.P. is

The best electrical conductor of the following is

In anti-fluorite structure the negative ions

Which of the following is an amorphous solid?

Kinetic gas equation is, PV =...

One mole of gas is defined as

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

The pressure of the ideal gas is less than the real gas because of the

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

What will be the mass of 6.023 x $10^{23}$ molecules of carbon monoxide?

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

When an ideal gas undergoes unrestricted expansion, no cooling occurs because the molecules

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

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

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

The number of molecules in 4.25 gm of ammonia are approximately

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

Also checkout

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

Correct Answer :

Show all State of Matter MCQ

Related Questions

Number of molecules of carbon dioxide present in 44 gm CO2 is

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

According to Avogadro's hypothesis equal volumes of two gases under the same conditions of temperature and pressure contain

Gases deviate from the ideal behaviour because their molecules

Of the following properties, the magnitude of one must always increase with temperature. The property is

Which of the following will have low heat of fusion?

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

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

Three dimensional array of points in space is called

Which of the following should be most viscous?

How many nearest neighbours are there in an atom or ion in an octahedral hole of a close packed structure?

The vol. of 20 gm. of hydrogen at N.T.P. is

The best electrical conductor of the following is

In anti-fluorite structure the negative ions

Which of the following is an amorphous solid?

Kinetic gas equation is, PV =...

One mole of gas is defined as

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

The pressure of the ideal gas is less than the real gas because of the

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

What will be the mass of 6.023 x 1023 molecules of carbon monoxide?

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

When an ideal gas undergoes unrestricted expansion, no cooling occurs because the molecules

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

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

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

The number of molecules in 4.25 gm of ammonia are approximately

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

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Number of molecules of carbon dioxide present in 44 gm $C O_{2}$ is

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

What will be the mass of 6.023 x $10^{23}$ molecules of carbon monoxide?