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

Question

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

Correct Answer :

C. AB

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

Discuss this answer

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

Discuss this answer

The electrical conductivity of metals is of the order of

Discuss this answer

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?

B. $B r_{2}$

D. $O_{2}$

Discuss this answer

The molecular weight of a volatile liquid can be determined by

Discuss this answer

The relation between molecular wt. and vapour density is

Discuss this answer

Cubic close packed arrangement of ions is described as

Discuss this answer

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

D. 925C

Discuss this answer

The number of atoms per unit cell in bcc arrangement is

A. 1

B. 4

C. 3

D. 2

Discuss this answer

The number of molecules in 32 gms of oxygen in

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What is the vapour pressure of benzoyl chloride at its boiling point (197°C)?

Discuss this answer

The number of molecules in 4.25 gm of ammonia are approximately

Discuss this answer

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

Discuss this answer

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

Discuss this answer

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

Discuss this answer

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

Discuss this answer

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

Discuss this answer

Which of the following methods is used to determine the atomic weight?

Discuss this answer

The critical temperature of a substance is defined as

Discuss this answer

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

Discuss this answer

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

Discuss this answer

The vapour density of gas A is four times that of gas B. If the molecular weight of gas B is M, then the molecular weight of gas A is

A. 2M

B. 4M

C. 8M

D. M/4

Discuss this answer

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

A. N

B. 2N

C. N/2

D. $N_{2}$

Discuss this answer

The vapour density of ozone would be

A. 72

B. 8

C. 48

D. 24

Discuss this answer

Gases deviate from the ideal behaviour because their molecules

Discuss this answer

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

Discuss this answer

In fluorite structure coordination number of calcium ions is

A. 4

B. 6

C. 8

D. 3

Discuss this answer

Which of the following will have low heat of fusion?

Discuss this answer

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

Discuss this answer

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

Discuss this answer

Answer 1

D. None of these

Answer 2

A. Low temperature and high pressure

Answer 3

B. High temperature and low pressure

Answer 4

C. High temperature and low pressure

Answer 5

D. None of these

Answer 6

A.

10^{12} o h m^{- 1} c m^{- 1}

Answer 7

B.

10^{8} o h m^{- 1} c m^{- 1}

Answer 8

C.

10^{2} o h m^{- 1} c m^{- 1}

Answer 9

D.

10^{- 6} o h m^{- 1} c m^{- 1}

Answer 10

A.

N H_{3}

,

Answer 11

C.

C C l_{4}

Answer 12

A. Dumas' method

Answer 13

B. Victor Meyer's method

Answer 14

C. Cryoscopic method

Answer 15

D. Osmotic pressure

Answer 16

A. Molecular wt. =

\frac{2}{3}

V.D.

Answer 17

B. Molecular wt. =

\frac{1}{3}

V.D.

Answer 18

C. Molecular wt. = V.D.

Answer 19

D. Molecualr wt = 2 x V.D.

Answer 20

A. ABC AB ABC.....

Answer 21

B. ABC ABC......

Answer 22

C. AB AB..........

Answer 23

D. ABC CBA...

Answer 24

C. 243.67°C

Answer 25

A. 6.02 x

^{10^{10}}

Answer 26

B. 3.2 x

^{10^{23}}

Answer 27

C. 6.02 x

^{10^{22}}

Answer 28

D. 32 x

^{10^{10}}

Answer 29

A. 760 torr

Answer 30

B. 380 torr

Answer 31

C. 197 torr

Answer 32

D. None of these

Answer 33

A.

0.5 \times 10^{23}

Answer 34

B.

1.5 \times 10^{23}

Answer 35

C.

2.5 \times 10^{23}

Answer 36

D.

3.5 \times 10^{23}

Answer 37

A. Equal number of electrons

Answer 38

B. Equal number of ions

Answer 39

C. Equal number of atoms

Answer 40

D. Equal number of molecules

Answer 41

A. 224 litres

Answer 42

B. 2.24 litres

Answer 43

C. 11.12 litres

Answer 44

D. 1.12 litres

Answer 45

A. 22.4 litres

Answer 46

B. 112 litres

Answer 47

C. 12 litres

Answer 48

D. 224 litres

Answer 49

A. Victor Meyer's method

Answer 50

B. Dumas' method

Answer 51

C. Cannizaro's method

Answer 52

D. None of these

Answer 53

A. the temperature above which the substance decomposes

Answer 54

B. the temperature above which the substance can exist only as a gas

Answer 55

C. melting point of the substance

Answer 56

D. boiling point of the substanc

Answer 57

A. 12 litre

Answer 58

B. 11.2 litres

Answer 59

C. 2.24 litres

Answer 60

D. 22.4 litres

Answer 61

A. possess negligible volume

Answer 62

B. have forces of attraction between them

Answer 63

C. are polyatomic

Answer 64

D. are not attracted to one another

Answer 65

D. None of these

Answer 66

A. a molecular solid

Answer 67

B. an ionic solid

Answer 68

C. a metallic solid

Answer 69

D. a network of covalent solid

Answer 70

A. 4.1 x

^{10^{- 2}}

dynes

c m^{- 1}

Answer 71

B. 4.1 x

10^{3}

dynes

c m^{- 1}

Answer 72

C. 7.1 x

10^{- 3}

dynes

c m^{- 1}

Answer 73

D. None of these

Answer 74

A. 12 x

^{10^{23}}

approximately

Answer 75

B. 3 x

^{10^{10}}

approximately

Answer 76

C. 6 x

^{10^{10}}

approximately

Answer 77

D. 3 x

^{10^{23}}

approximately

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

Correct Answer :

Show all State of Matter MCQ

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

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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?

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Also checkout

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

Correct Answer :

Show all State of Matter MCQ

Related Questions

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

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

The electrical conductivity of metals is of the order of

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?

The molecular weight of a volatile liquid can be determined by

The relation between molecular wt. and vapour density is

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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

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What is the vapour pressure of benzoyl chloride at its boiling point (197°C)?

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

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

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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Which of the following methods is used to determine the atomic weight?

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

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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

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

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?

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

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

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

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