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

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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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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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Molecular formula of D in the above case is

A. $A B_{5}$

B. $A_{5} B_{2}$

C. $A_{2} B_{5}$

D. AB

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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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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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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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5.At a given temperature and pressure 2 volumes of A combine with 5 volumes of B to form 2 volmes of C and 1 volume. A combine with one volume of B to form 2 volumes of D. The formula of C is

A. $A_{3} B_{6}$

B. $\sqrt{A B}$

C. $A_{2} B_{5}$

D. $A B_{5}$

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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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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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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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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 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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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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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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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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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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A liquid of density 1.742 g $c m^{- 3}$ is observed to show a capillary rise of 73 mm in a tube of radius 0.65 mm. Then the surface tension of the liquid is

A. 4.1 x $^{10^{- 2}}$ dynes $c m^{- 1}$

B. 4.1 x $10^{3}$ dynes $c m^{- 1}$

C. 7.1 x $10^{- 3}$ dynes $c m^{- 1}$

D. None of these

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Match box has the symmetry of which of the following systems?

A. Cubic

B. Orthorhombic

C. Tetragonal

D. Monoclinic

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Which compound possesses greatest lattice energy?

A. LiF

B. NaF

C. KF

D. CsF

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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 limiting radii ratio for the tetrahedral geometry is

A. 0.155

B. 0.444

C. 0.732

D. 0.225

Discuss this answer

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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The mean free path of a gas molecule is the distance

A. between the two opposite walls of the container

B. through which the molecules travel in one second

C. through which molecules move between two consecutive collisions

D. travelled by all the molecules divided by the total number of molecules in a particular gas

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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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What types of forces are present in molecular solids?

A. electrovalent bonds

B. hydrogen bonds

C. metallic bonds

D. Van der Waal's forces

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Density of a gas relative to air is 2.3. If the average molar mass of air is 29.08/mol, the molecular mass of the gas will be

A. 29 gm/mole

B. 66.7 gm/mole

C. 12.67 gm/mole

D. 25.22 gm/mole

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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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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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At a given temperature and pressure 2 volumes of A combine with 5 volumes of B to form 2 volumes of C, and 1 volume of A combines with one volume of B to form 2 volumes of D. Then the formula of C is

A. $A B_{5}$

B. $A_{5} B_{2}$

C. $A_{2} B_{5}$

D. $A B$

Discuss this answer

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. $C^{3}$

Discuss this answer

Accepted Answer

A. 6.41 sp. heat

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

Correct Answer :

Show all State of Matter MCQ

Related Questions

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

Molecular formula of D in the above case is

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

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

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

5.At a given temperature and pressure 2 volumes of A combine with 5 volumes of B to form 2 volmes of C and 1 volume. A combine with one volume of B to form 2 volumes of D. The formula of C is

The electrical conductivity of metals is of the order of

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

The relation between molecular wt. and vapour density is

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

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

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

Three dimensional array of points in space is called

Which of the following should be most viscous?

Correct gas equation is

Which of the following will have low heat of fusion?

A liquid of density 1.742 g $c m^{- 3}$ is observed to show a capillary rise of 73 mm in a tube of radius 0.65 mm. Then the surface tension of the liquid is

Match box has the symmetry of which of the following systems?

Which compound possesses greatest lattice energy?

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

The limiting radii ratio for the tetrahedral geometry is

All gases tend to show ideal behaviour

The mean free path of a gas molecule is the distance

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

What types of forces are present in molecular solids?

Density of a gas relative to air is 2.3. If the average molar mass of air is 29.08/mol, the molecular mass of the gas will be

The number of molecules in 4.25 gm of ammonia are approximately

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

At a given temperature and pressure 2 volumes of A combine with 5 volumes of B to form 2 volumes of C, and 1 volume of A combines with one volume of B to form 2 volumes of D. Then the formula of C is

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

Also checkout

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

Correct Answer :

Show all State of Matter MCQ

Related Questions

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

Molecular formula of D in the above case is

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

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

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

5.At a given temperature and pressure 2 volumes of A combine with 5 volumes of B to form 2 volmes of C and 1 volume. A combine with one volume of B to form 2 volumes of D. The formula of C is

The electrical conductivity of metals is of the order of

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

The relation between molecular wt. and vapour density is

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

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

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

Three dimensional array of points in space is called

Which of the following should be most viscous?

Correct gas equation is

Which of the following will have low heat of fusion?

A liquid of density 1.742 g cm-3 is observed to show a capillary rise of 73 mm in a tube of radius 0.65 mm. Then the surface tension of the liquid is

Match box has the symmetry of which of the following systems?

Which compound possesses greatest lattice energy?

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

The limiting radii ratio for the tetrahedral geometry is

All gases tend to show ideal behaviour

The mean free path of a gas molecule is the distance

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

What types of forces are present in molecular solids?

Density of a gas relative to air is 2.3. If the average molar mass of air is 29.08/mol, the molecular mass of the gas will be

The number of molecules in 4.25 gm of ammonia are approximately

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

At a given temperature and pressure 2 volumes of A combine with 5 volumes of B to form 2 volumes of C, and 1 volume of A combines with one volume of B to form 2 volumes of D. Then the formula of C is

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

Also checkout

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

A liquid of density 1.742 g $c m^{- 3}$ is observed to show a capillary rise of 73 mm in a tube of radius 0.65 mm. Then the surface tension of the liquid is

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