The limiting radii ratio for the tetrahedral geometry is

Question

The limiting radii ratio for the tetrahedral geometry is

A. 0.155

B. 0.444

C. 0.732

D. 0.225

Correct Answer :

D. 0.225

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

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The vapour density of pure ozone would be

A. 32

B. 8

C. 12

D. 24

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

A. ccp

B. hcp

C. fccp

D. bcc

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6.If the reactants and products both are in gaseous phase they bear a simple ratio in their

C. atoms

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The number of molecules of $C O_{2}$ present in 44 gms. of $C O_{2}$ is

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

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

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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:

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

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The number of molecules in 4.25 gm of ammonia are approximately

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Absolute zero is the temperature at which

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

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An example of covalent solid is

B. NaCl

C. Copper

D. $C O_{2}$

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In a face centred cubic arrangement of ions, the coordination number of ions is

A. 6

B. 8

C. 12

D. 4

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

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The vapour density of completely dissociated sociated $N H_{4} C L$ would be

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

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

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Vapour density of a gas is 35.5. The volume occupied by 3.55 gm of the gas at NTPis

Discuss this answer

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

A. Cubic

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All gases tend to show ideal behaviour

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Which of the following is an example of covalent network solid?

A. Sodium

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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

Which of the following should be most viscous?

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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

A. 502°C

B. 502 K

D. 925C

Discuss this answer

The number of N2 molecules present in 28 nitrogen is

A. 2 x 10

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

Discuss this answer

Answer 1

A. One gram equivalent

Answer 2

B. One gram atomic weight

Answer 3

C. One gram atom

Answer 4

D. One gram molecule

Answer 5

A. volumes

Answer 6

B. molecules

Answer 7

D. temperature

Answer 8

A. 6 x

^{10^{23}}

approx

Answer 9

B.

10^{30}

approx

Answer 10

C. 3 x

^{10^{10}}

approx

Answer 11

D. 12 x

^{10^{23}}

approx

Answer 12

A. the quantity of gas

Answer 13

B. the quality of gas

Answer 14

C. type values of T and P

Answer 15

D. None of these

Answer 16

A. Victor Meyer's method

Answer 17

B. Dumas' method

Answer 18

C. Cannizaro's method

Answer 19

D. None of these

Answer 20

A. V(

C O_{2}

) > V(

S O_{2}

)

Answer 21

B. V(

C O_{2}

) = V(

S O_{2}

)

Answer 22

C. V(

S O_{2}

) > V(

C O_{2}

)

Answer 23

D. cannot be predicted

Answer 24

A. 6.41 sp. heat

Answer 25

B. 6.4/sp. heat

Answer 26

C. sp. heat/6.4

Answer 27

D. sp. heat/6.4 x 2

Answer 28

A.

0.5 \times 10^{23}

Answer 29

B.

1.5 \times 10^{23}

Answer 30

C.

2.5 \times 10^{23}

Answer 31

D.

3.5 \times 10^{23}

Answer 32

A. water freezes

Answer 33

B. all gases become liquid

Answer 34

C. all substances are solid

Answer 35

D. molecular motion ceases

Answer 36

A. Low temperature and high pressure

Answer 37

B. High temperature and low pressure

Answer 38

C. High temperature and low pressure

Answer 39

D. None of these

Answer 40

A. diamond

Answer 41

A. below the critical temperature

Answer 42

B. above the critical temperature

Answer 43

C. above the normal boiling point

Answer 44

D. at any temperature

Answer 45

A. Determined by the amount of solid

N H_{4} C L

used in the experiment

Answer 46

B. Triple to that of

N H_{4} C L

Answer 47

C. Half of that

N H_{4} C L

Answer 48

D. Slightly less than half of that of

N H_{4} C L

Answer 49

A. critical temperature

Answer 50

B. Boyle's temperature

Answer 51

C. inversion temperature

Answer 52

D. reduced temperature

Answer 53

A. Inter-molecular forces in the liquid

Answer 54

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

Answer 55

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

Answer 56

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

Answer 57

A. 760 torr

Answer 58

B. 380 torr

Answer 59

C. 197 torr

Answer 60

D. None of these

Answer 61

A. 1.12 litres

Answer 62

B. 2.24 litres

Answer 63

C. 22.4 litres

Answer 64

D. 11.2 litres

Answer 65

B. Orthorhombic

Answer 66

C. Tetragonal

Answer 67

D. Monoclinic

Answer 68

A. at low temperature and low pressure

Answer 69

B. at high temperature and high pressure

Answer 70

C. at high temperature and low pressure

Answer 71

D. at low temperature and high pressure

Answer 72

B. Solid carbon dioxide

Answer 73

C. Sodium chloride

Answer 74

D. Silicon

Answer 75

A.

C H_{3} O H

Answer 76

B.

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

Answer 77

C.

C H_{3} O C H_{3}

Answer 78

D.

H O C H_{2} C H_{2} O H

Answer 79

C. 243.67°C

Answer 80

B. 6 x

^{10^{22}}

Answer 81

C. 6 x

^{10^{23}}

approximately

Answer 82

D. 5 x

^{10^{30}}

approximately

Answer 83

A. a separating funnel

Answer 84

B. distillation

Answer 85

C. sublimation

Answer 86

D. filtration

The limiting radii ratio for the tetrahedral geometry is

Correct Answer :

Show all State of Matter MCQ

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The limiting radii ratio for the tetrahedral geometry is

Correct Answer :

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