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

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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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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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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 relation between molecular wt. and vapour density is

A. Molecular wt. = $\frac{2}{3}$ V.D.

B. Molecular wt. = $\frac{1}{3}$ V.D.

C. Molecular wt. = V.D.

D. Molecualr wt = 2 x V.D.

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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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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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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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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 vol. of 20 gms of nitrogen at N.T.P.

A. 16 litres

B. 36 litres

C. 8 litre

D. 32 litres

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6.If the reactants and products both are in gaseous phase they bear a simple ratio in their

A. volumes

B. molecules

C. atoms

D. temperature

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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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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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In a dose packed arrangement of N spheres, the number of tetrahedral holes are

A. N

B. 2N

C. N/2

D. $N_{2}$

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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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Which of the following phrases would be incorrect to use?

A. An atom of an element

B. An atom of a compound

C. A molecule of a compound

D. A molecule of an element

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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 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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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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The molecular weight of a volatile liquid can be determined by

A. Dumas' method

B. Victor Meyer's method

C. Cryoscopic method

D. Osmotic pressure

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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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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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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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Lattice energy of a solid is high if

A. the radii of the ions are large

B. radii of the ions are small

C. charge on the ions are small

D. the ions are neutral

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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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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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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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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

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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 zinc blende structure, the zinc atoms occupy

A. all tetrahedral sites

B. all octahedral sites

C. half of the octahedral sites

D. half of the tetrahedral sites

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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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Accepted Answer

C. Dalton's theory

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

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

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

The relation between molecular wt. and vapour density is

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

20 litres of hydrogen gas weighs about

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 ?

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

The vol. of 20 gms of nitrogen at N.T.P.

6.If the reactants and products both are in gaseous phase they bear a simple ratio in their

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

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

In a dose packed arrangement of N spheres, the number of tetrahedral holes are

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

Which of the following phrases would be incorrect to use?

The number of atoms per unit cell in bcc arrangement is

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

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

The molecular weight of a volatile liquid can be determined by

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

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

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

Lattice energy of a solid is high if

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

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

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

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

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 zinc blende structure, the zinc atoms occupy

Which of the following will have low heat of fusion?

Also checkout

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

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

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

The relation between molecular wt. and vapour density is

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

20 litres of hydrogen gas weighs about

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 ?

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

The vol. of 20 gms of nitrogen at N.T.P.

6.If the reactants and products both are in gaseous phase they bear a simple ratio in their

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

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

In a dose packed arrangement of N spheres, the number of tetrahedral holes are

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

Which of the following phrases would be incorrect to use?

The number of atoms per unit cell in bcc arrangement is

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

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

The molecular weight of a volatile liquid can be determined by

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

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

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

Lattice energy of a solid is high if

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

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

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

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

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 zinc blende structure, the zinc atoms occupy

Which of the following will have low heat of fusion?

Also checkout

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

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

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