The vapour density of a gas in 35.5. The volume occupies by 3.55 gms of the gas at N.T.P. is

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The vapour density of a gas in 35.5. The volume occupies by 3.55 gms of the gas at N.T.P. is

A. 224 litres

B. 2.24 litres

C. 11.12 litres

D. 1.12 litres

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Normal boiling points values are for $N H_{3}$ , - 34C, bromine 58°C, carbon tetrachloride 77°C and oxygen - 183°C. Which of these liquids has the highest vapour pressure at room temperature?

A. $N H_{3}$ ,

B. $B r_{2}$

C. $C C l_{4}$

D. $O_{2}$

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In fluorite structure coordination number of calcium ions is

A. 4

B. 6

C. 8

D. 3

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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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A chalk box exhibits

A. cubic geometry

B. monoclinic geometry

C. orthorhombic geometry

D. tetragonal

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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 electrical conductivity of metals is of the order of

A. $10^{12} o h m^{- 1} c m^{- 1}$

B. $10^{8} o h m^{- 1} c m^{- 1}$

C. $10^{2} o h m^{- 1} c m^{- 1}$

D. $10^{- 6} o h m^{- 1} c m^{- 1}$

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What will be the mass of 6.03 x $^{10^{23}}$ molecules of carbon monoxide ?

A. 18.00

B. 28.01

C. 56.02

D. 14.05

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If all the octahedral sites in a cubic close packed arrangement ( $B^{-}$ ) are completelyfilled with $A^{+}$ cations, the empirical formula of the compound could then be

A. $A B_{2}$

B. $A_{2} B$

C. AB

D. None of these

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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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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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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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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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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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Which compound possesses greatest lattice energy?

A. LiF

B. NaF

C. KF

D. CsF

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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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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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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 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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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 number of atoms per unit cell in simple cubic, face centred cubic and body centred cubic arrangement are, respectively

A. 8,14,9

B. 1,2,4

C. 1,4,2

D. 8,4, 2

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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 is an example of covalent network solid?

A. Sodium

B. Solid carbon dioxide

C. Sodium chloride

D. Silicon

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Correct gas equation is

A. $\frac{P_{1} V_{1}}{P_{2} V_{2}} = \frac{T_{1}}{T_{2}}$

B. $\frac{V_{1} T_{2}}{P_{1}} = \frac{P_{2} T_{1}}{T_{2}}$

C. $\frac{P_{1} T_{1}}{V_{1}} = \frac{P_{2} T_{2}}{V_{2}}$

D. $\frac{V_{1} V_{2}}{T_{1} T_{2}} = P_{1} P_{2}$

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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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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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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

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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 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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Which of the following is an amorphous solid?

A. NaCl

B. $C a F_{2}$

C. Diamond

D. Glass

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Accepted Answer

A. 224 litres

The vapour density of a gas in 35.5. The volume occupies by 3.55 gms of the gas at N.T.P. is

Correct Answer :

Show all State of Matter MCQ

Related Questions

Normal boiling points values are for $N H_{3}$ , - 34C, bromine 58°C, carbon tetrachloride 77°C and oxygen - 183°C. Which of these liquids has the highest vapour pressure at room temperature?

In fluorite structure coordination number of calcium ions is

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

A chalk box exhibits

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

The electrical conductivity of metals is of the order of

What will be the mass of 6.03 x $^{10^{23}}$ molecules of carbon monoxide ?

If all the octahedral sites in a cubic close packed arrangement ( $B^{-}$ ) are completelyfilled with $A^{+}$ cations, the empirical formula of the compound could then be

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

All gases tend to show ideal behaviour

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

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

Which of the following phrases would be incorrect to use?

Which compound possesses greatest lattice energy?

Three dimensional array of points in space is called

In zinc blende structure, the zinc atoms occupy

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

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

The number of atoms per unit cell in simple cubic, face centred cubic and body centred cubic arrangement are, respectively

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

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

Correct gas equation 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

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

Volume occupied by 1 gm equivalent of oxygen at NTP is

The number of atoms per unit cell in bcc arrangement is

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

Which of the following is an amorphous solid?

Also checkout

The vapour density of a gas in 35.5. The volume occupies by 3.55 gms of the gas at N.T.P. is

Correct Answer :

Show all State of Matter MCQ

Related Questions

Normal boiling points values are for NH3, - 34C, bromine 58°C, carbon tetrachloride 77°C and oxygen - 183°C. Which of these liquids has the highest vapour pressure at room temperature?

In fluorite structure coordination number of calcium ions is

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

A chalk box exhibits

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

The electrical conductivity of metals is of the order of

What will be the mass of 6.03 x 1023 molecules of carbon monoxide ?

If all the octahedral sites in a cubic close packed arrangement (B-) are completelyfilled with A+ cations, the empirical formula of the compound could then be

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

All gases tend to show ideal behaviour

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

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

Which of the following phrases would be incorrect to use?

Which compound possesses greatest lattice energy?

Three dimensional array of points in space is called

In zinc blende structure, the zinc atoms occupy

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

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

The number of atoms per unit cell in simple cubic, face centred cubic and body centred cubic arrangement are, respectively

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

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

Correct gas equation 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

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

Volume occupied by 1 gm equivalent of oxygen at NTP is

The number of atoms per unit cell in bcc arrangement is

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

Which of the following is an amorphous solid?

Also checkout

Normal boiling points values are for $N H_{3}$ , - 34C, bromine 58°C, carbon tetrachloride 77°C and oxygen - 183°C. Which of these liquids has the highest vapour pressure at room temperature?

What will be the mass of 6.03 x $^{10^{23}}$ molecules of carbon monoxide ?

If all the octahedral sites in a cubic close packed arrangement ( $B^{-}$ ) are completelyfilled with $A^{+}$ cations, the empirical formula of the compound could then be

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

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