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

Question

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

Correct Answer :

B. 6

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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

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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. $A B_{5}$

D. $A B$

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All gases tend to show ideal behaviour

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One mole of gas is defined as

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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

D. $A B_{5}$

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

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

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The number of molecules is 4.25 g of ammonia are approximately

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The relation between molecular wt. and vapour density is

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

Discuss this answer

Indicate the most viscous liquid of the following

Discuss this answer

The molecular weight of a volatile liquid can be determined by

Discuss this answer

Volume occupied by 4.4 gift of carbon dioxide is

Discuss this answer

Which of the following contains the same number of atoms as 12 gms: of Magnesium (Atomic weights : Mg = 24, C = 12, Ca = 40)

Discuss this answer

In the wurtzite structure sulphur atoms have

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

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Boltzmann constant is given by

A. R

B. R+N

C. R:N

D. R-N

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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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22.4 litre of any gas at N.T.P. will contain

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Which of the following is an amorphous solid?

A. NaCl

D. Glass

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Indicate the most volatile liquid of the following:

C. $H_{2} O$

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Which of the following would you expect to affect the vapour pressure of a liquid?

Discuss this answer

The mean free path of a gas molecule is the distance

Discuss this answer

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

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

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

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

A. Cubic

Discuss this answer

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

Discuss this answer

Three dimensional array of points in space is called

Discuss this answer

Answer 1

B.

A_{5} B_{2}

Answer 2

C.

A_{2} B_{5}

Answer 3

A. at low temperature and low pressure

Answer 4

B. at high temperature and high pressure

Answer 5

C. at high temperature and low pressure

Answer 6

D. at low temperature and high pressure

Answer 7

A. The number of molecules in 22.4 litres of gas at S.T.P

Answer 8

B. The number of molecules contained | in 6 grams of 12 C isotope

Answer 9

C. The number of molecules in one formula weight of gas

Answer 10

D. The number of molecules in litre of gas

Answer 11

A.

A_{3} B_{6}

Answer 12

B.

\sqrt{A B}

Answer 13

C.

A_{2} B_{5}

Answer 14

A. 760 torr

Answer 15

B. 380 torr

Answer 16

C. 197 torr

Answer 17

D. None of these

Answer 18

A. 6 and 4

Answer 19

B. 6 and 6

Answer 20

C. 4 and 4

Answer 21

D. 8 and 4

Answer 22

A. 3.5 x

^{10^{23}}

Answer 23

B. 2.5 x

^{10^{23}}

Answer 24

C. 1.5 x

^{10^{23}}

Answer 25

D. 0.5 x

^{10^{23}}

Answer 26

A. Molecular wt. =

\frac{2}{3}

V.D.

Answer 27

B. Molecular wt. =

\frac{1}{3}

V.D.

Answer 28

C. Molecular wt. = V.D.

Answer 29

D. Molecualr wt = 2 x V.D.

Answer 30

A. 6.41 sp. heat

Answer 31

B. 6.4/sp. heat

Answer 32

C. sp. heat/6.4

Answer 33

D. sp. heat/6.4 x 2

Answer 34

A. propanol-2

Answer 35

B. 1.2, ethandiol

Answer 36

C. 1.2,3 propentriol

Answer 37

D. ethanol

Answer 38

A. Dumas' method

Answer 39

B. Victor Meyer's method

Answer 40

C. Cryoscopic method

Answer 41

D. Osmotic pressure

Answer 42

A. 4.4 litres

Answer 43

B. 2.24 litres

Answer 44

C. 22.4 litres

Answer 45

D. 4.48 litres

Answer 46

A. 10 gms of calcium

Answer 47

B. 20 gms of carbon

Answer 48

C. 20 gms of calcium

Answer 49

D. 12 gms of carbon

Answer 50

A. cubic arrangement

Answer 51

B. hexagonal dose packed arrangement

Answer 52

C. body centred arrangement

Answer 53

D. None of these

Answer 54

A. One gram equivalent

Answer 55

B. One gram atomic weight

Answer 56

C. One gram atom

Answer 57

D. One gram molecule

Answer 58

B.

C a F_{2}

Answer 59

C. Diamond

Answer 60

A.

C H_{3} O H

Answer 61

B.

C H_{3} O C H_{3}

Answer 62

D.

C H_{3} C H_{2} O C H_{2} C H_{3}

Answer 63

A. Inter-molecular forces in the liquid

Answer 64

B. Volume of the liquid in the liquid-vapour equilibrium

Answer 65

C. Volume of the vapour in the liquid-vapour equilibrium

Answer 66

D. The size of the container in which liquid-vapour equilibrium is establishe

Answer 67

A. between the two opposite walls of the container

Answer 68

B. through which the molecules travel in one second

Answer 69

C. through which molecules move between two consecutive collisions

Answer 70

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

Answer 71

A. are above inversion temperature

Answer 72

B. exert no attractive force on each other

Answer 73

C. do work equal to loss in kinetic energy

Answer 74

D. collide without loss of energy

Answer 75

A. 4.1 x

^{10^{- 2}}

dynes

c m^{- 1}

Answer 76

B. 4.1 x

10^{3}

dynes

c m^{- 1}

Answer 77

C. 7.1 x

10^{- 3}

dynes

c m^{- 1}

Answer 78

D. None of these

Answer 79

A.

N H_{3}

,

Answer 80

C.

C C l_{4}

Answer 81

A. 16 litres

Answer 82

B. 36 litres

Answer 83

C. 8 litre

Answer 84

D. 32 litres

Answer 85

B. Orthorhombic

Answer 86

C. Tetragonal

Answer 87

D. Monoclinic

Answer 88

A. increase in the number of collisions

Answer 89

B. volume occupied by the molecules

Answer 90

C. inter-molecular attraction

Answer 91

D. finite size of molecules

Answer 92

A. unit cell

Answer 93

B. crystal lattice

Answer 94

C. micro-crystal

Answer 95

D. None of these

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

Correct Answer :

Show all State of Matter MCQ

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

Correct Answer :

Show all State of Matter MCQ

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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

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

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The number of molecules is 4.25 g of ammonia are approximately

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

Indicate the most viscous liquid of the following

The molecular weight of a volatile liquid can be determined by

Volume occupied by 4.4 gift of carbon dioxide is

Which of the following contains the same number of atoms as 12 gms: of Magnesium (Atomic weights : Mg = 24, C = 12, Ca = 40)

In the wurtzite structure sulphur atoms have

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

Boltzmann constant is given by

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

22.4 litre of any gas at N.T.P. will contain

Which of the following is an amorphous solid?

Indicate the most volatile liquid of the following:

Which of the following would you expect to affect the vapour pressure of a liquid?

The mean free path of a gas molecule is the distance

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

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

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