In a closed packed structure the pattern ABAB...... represents which one of the following:

Question

In a closed packed structure the pattern ABAB...... represents which one of the following:

A. ccp

B. hcp

C. fccp

D. bcc

Correct Answer :

B. hcp

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

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Volume occupied by 1 gm equivalent of oxygen at NTP is

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If the temperature and pressure remain unchanged the volume of $O_{2}$ obtained by the decomposition of a certain volume of $S O_{2}$ will be

Discuss this answer

Gases deviate from the ideal behaviour because their molecules

Discuss this answer

Absolute zero is the temperature at which

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

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

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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A vessel containing 10 litre of air at atmospheric pressure is connected to an evacuated 9 litre vessel The resulting pressure will be

A. 2 atm

B. 31 atm

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A gas or vapour may be liquefied only at a temperature at or

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Equal weights of methane and hydrogen are mixed in an empty container at 25°C. The fraction of the total pressure exerted by methane is

A. 1/2

B. 1/3

C. 1/9

D. 8/9

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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

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Which of the following phrases would be incorrect to use?

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

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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

Discuss this answer

In fluorite structure coordination number of calcium ions is

A. 4

B. 6

C. 8

D. 3

Discuss this answer

Chloroform and benzene form a pair of miscible liquids. These can be separated by

Discuss this answer

Volume occupied by 4.4 gift of carbon dioxide is

Discuss this answer

In a solid atoms A are arranged in ccp array. Atoms B occupy all the octahedral voids and half the tetrahedral voids. The formula of the compound is expected to be

A. $A B_{2}$

B. $A B_{3}$

D. $A_{2} B$

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At 303 K ethanol has a vapour pressure of about 0.118 atm., acetic acid has the vapour pressure of about 0.039 atm., and ethyl iodide has a vapour pressure of about 0.263 atm. Which of the following represents the correct order of increasing normal boiling point ?

Discuss this answer

The electrical conductivity of metals is of the order of

Discuss this answer

The number of molecules in 32 gms of oxygen in

Discuss this answer

The ionic radii of $R b^{+}$ and $B r^{-}$ ions are 1.47 $\overset{°}{A}$ and 1.95 $\overset{°}{A}$ , respectively. The most probable type of geometry exhibited by RbBr on the radius ratio rule is

Discuss this answer

The ratio of RMS velocity to average velocity of a gas molecule at a particular temperature is

Discuss this answer

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

Discuss this answer

Lattice energy of a solid is high if

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

22.4 litres of $S O_{2}$ at 27.3°C and 1 atmosphere pressure shall weigh

A. 32 g

B. 16 g

C. 44.8 g

D. 48.5 g

Discuss this answer

The weight of 22.4 litres of any gas at N.T.P. represent its

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The number of N2 molecules present in 28 nitrogen is

A. 2 x 10

Discuss this answer

Answer 1

A. critical temperature

Answer 2

B. Boyle's temperature

Answer 3

C. inversion temperature

Answer 4

D. reduced temperature

Answer 5

A. 22.4 litres

Answer 6

B. 2.24 litres

Answer 7

C. 5.6 litres

Answer 8

D. 11.2 litres

Answer 9

A. Triple the volume of

S O_{2}

Answer 10

B. Half the volume of

S O_{2}

Answer 11

C. Equal to the volume of

S O_{2}

Answer 12

D. One third the volume of

S O_{2}

Answer 13

A. possess negligible volume

Answer 14

B. have forces of attraction between them

Answer 15

C. are polyatomic

Answer 16

D. are not attracted to one another

Answer 17

A. water freezes

Answer 18

B. all gases become liquid

Answer 19

C. all substances are solid

Answer 20

D. molecular motion ceases

Answer 21

A. the quantity of gas

Answer 22

B. the quality of gas

Answer 23

C. type values of T and P

Answer 24

D. None of these

Answer 25

A.

N H_{3}

,

Answer 26

C.

C C l_{4}

Answer 27

C. 0.526 atm

Answer 28

D. 52.6 atm

Answer 29

A. below the critical temperature

Answer 30

B. above the critical temperature

Answer 31

C. above the normal boiling point

Answer 32

D. at any temperature

Answer 33

D. None of these

Answer 34

A. An atom of an element

Answer 35

B. An atom of a compound

Answer 36

C. A molecule of a compound

Answer 37

D. A molecule of an element

Answer 38

A. 760 torr

Answer 39

B. 380 torr

Answer 40

C. 197 torr

Answer 41

D. None of these

Answer 42

A. 12 litre

Answer 43

B. 11.2 litres

Answer 44

C. 2.24 litres

Answer 45

D. 22.4 litres

Answer 46

A. a separating funnel

Answer 47

B. distillation

Answer 48

C. sublimation

Answer 49

D. filtration

Answer 50

A. 4.4 litres

Answer 51

B. 2.24 litres

Answer 52

C. 22.4 litres

Answer 53

D. 4.48 litres

Answer 54

C.

A_{2} B_{3}

Answer 55

A.

C H_{3} C O O H < C_{2} H_{5} O H < C_{2} H_{5} I

Answer 56

B.

C_{2} H_{5} I < C H_{3} C O O H < C_{2} H_{5} O H

Answer 57

C.

C_{2} H_{5} I < C_{2} H_{5} O H < C H_{3} C O O H

Answer 58

D.

C_{2} H_{5} O H < C_{2} H_{5} I < C H_{3} C O O H

Answer 59

A.

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

Answer 60

B.

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

Answer 61

C.

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

Answer 62

D.

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

Answer 63

A. 6.02 x

^{10^{10}}

Answer 64

B. 3.2 x

^{10^{23}}

Answer 65

C. 6.02 x

^{10^{22}}

Answer 66

D. 32 x

^{10^{10}}

Answer 67

A. NaCl type

Answer 68

B. CsCl type

Answer 69

C. Zinc blende structure

Answer 70

D. Wurtzite structure

Answer 71

A. 1.086:1

Answer 72

B. 1:1.086

Answer 73

C. 2 :1.086

Answer 74

D. 1.086 : 2

Answer 75

A. 22.4 litres

Answer 76

B. 112 litres

Answer 77

C. 12 litres

Answer 78

D. 224 litres

Answer 79

A. the radii of the ions are large

Answer 80

B. radii of the ions are small

Answer 81

C. charge on the ions are small

Answer 82

D. the ions are neutral

Answer 83

A. gm atomic weight

Answer 84

B. gm molecular weight

Answer 85

C. gm equivalent weight

Answer 86

D. None of these

Answer 87

B. 6 x

^{10^{22}}

Answer 88

C. 6 x

^{10^{23}}

approximately

Answer 89

D. 5 x

^{10^{30}}

approximately

In a closed packed structure the pattern ABAB...... represents which one of the following:

Correct Answer :

Show all State of Matter MCQ

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Also checkout

In a closed packed structure the pattern ABAB...... represents which one of the following:

Correct Answer :

Show all State of Matter MCQ

Related Questions

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