In the wurtzite structure sulphur atoms have

Question

In the wurtzite structure sulphur atoms have

A. cubic arrangement

B. hexagonal dose packed arrangement

C. body centred arrangement

D. None of these

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The ionic radii of $M g^{+ 2}$ and $O^{- 2}$ are 0.66 $\overset{°}{A}$ and 1.40 $\overset{°}{A}$ , respectively. The most probable type of gteometry exhibited by MgO on the basis of radius ratio rule is

A. NaCl type

B. CsCl type

C. ZnS type

D. Boron oxide type

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How many nearest neighbours are there in an octahedral hole of a close packed structure

A. 4

B. 6

C. 8

D. 12

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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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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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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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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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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 tetrahedral sites in ccp arrangement of negative ions (Y) were half filled with cation (X), the empirical formula of the compound would be

A. $X_{2} Y$

B. XY

C. $X Y_{2}$

D. $X_{2} Y_{3}$

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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 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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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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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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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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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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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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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 the process of sublimation, the substance transforms directly

A. from the solid state to the liquid state

B. from the liquid state to gaseous state

C. from the solid state to gaseous state

D. from the liquid state to solid state

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The vapour density of pure ozone would be

A. 32

B. 8

C. 12

D. 24

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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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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 temperature at which a real gas obeys the ideal gas laws over a wide range of pressure:

A. critical temperature

B. Boyle's temperature

C. inversion temperature

D. reduced temperature

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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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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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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 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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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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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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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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The radii of $A^{+}$ and $X^{-}$ are 95 pm and 181 pm respectively. Coordination number of $A^{+}$ is expected to be

A. 8

B. 6

C. 4

D. 3

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In the gas equation PV = xT, x is a constant. The value of the constant depends upon

A. the quantity of gas

B. the quality of gas

C. type values of T and P

D. None of these

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Accepted Answer

B. hexagonal dose packed arrangement

In the wurtzite structure sulphur atoms have

Correct Answer :

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Related Questions

The ionic radii of $M g^{+ 2}$ and $O^{- 2}$ are 0.66 $\overset{°}{A}$ and 1.40 $\overset{°}{A}$ , respectively. The most probable type of gteometry exhibited by MgO on the basis of radius ratio rule is

How many nearest neighbours are there in an octahedral hole of a close packed structure

Lattice energy of a solid is high if

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

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

Molecular formula of D in the above case is

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

If the tetrahedral sites in ccp arrangement of negative ions (Y) were half filled with cation (X), the empirical formula of the compound would be

The number of molecules is 4.25 g of ammonia are approximately

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

The electrical conductivity of metals is of the order of

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

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

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

Which of the following phrases would be incorrect to use?

Three dimensional array of points in space is called

In the process of sublimation, the substance transforms directly

The vapour density of pure ozone would be

Indicate the most volatile liquid of the following:

The Van der Waal's equation explains the behaviour of

The temperature at which a real gas obeys the ideal gas laws over a wide range of pressure:

Which of the following should be most viscous?

The molecular weight of a volatile liquid can be determined by

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

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

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:

Kinetic gas equation is, PV =...

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

The radii of $A^{+}$ and $X^{-}$ are 95 pm and 181 pm respectively. Coordination number of $A^{+}$ is expected to be

In the gas equation PV = xT, x is a constant. The value of the constant depends upon

Also checkout

In the wurtzite structure sulphur atoms have

Correct Answer :

Show all State of Matter MCQ

Related Questions

The ionic radii of Mg+2 and O-2 are 0.66 A° and 1.40 A° , respectively. The most probable type of gteometry exhibited by MgO on the basis of radius ratio rule is

How many nearest neighbours are there in an octahedral hole of a close packed structure

Lattice energy of a solid is high if

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

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

Molecular formula of D in the above case is

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

If the tetrahedral sites in ccp arrangement of negative ions (Y) were half filled with cation (X), the empirical formula of the compound would be

The number of molecules is 4.25 g of ammonia are approximately

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

The electrical conductivity of metals is of the order of

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

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

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

Which of the following phrases would be incorrect to use?

Three dimensional array of points in space is called

In the process of sublimation, the substance transforms directly

The vapour density of pure ozone would be

Indicate the most volatile liquid of the following:

The Van der Waal's equation explains the behaviour of

The temperature at which a real gas obeys the ideal gas laws over a wide range of pressure:

Which of the following should be most viscous?

The molecular weight of a volatile liquid can be determined by

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

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

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

Kinetic gas equation is, PV =...

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

The radii of A+ and X- are 95 pm and 181 pm respectively. Coordination number of A+ is expected to be

In the gas equation PV = xT, x is a constant. The value of the constant depends upon

Also checkout

The ionic radii of $M g^{+ 2}$ and $O^{- 2}$ are 0.66 $\overset{°}{A}$ and 1.40 $\overset{°}{A}$ , respectively. The most probable type of gteometry exhibited by MgO on the basis of radius ratio rule is

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

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

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:

The radii of $A^{+}$ and $X^{-}$ are 95 pm and 181 pm respectively. Coordination number of $A^{+}$ is expected to be