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

Question

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

Correct Answer :

B. 6

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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. $A_{2} B$

Discuss this answer

In the wurtzite structure sulphur atoms have

Discuss this answer

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

Discuss this answer

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

Correct gas equation is

Discuss this answer

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

Discuss this answer

What types of forces are present in molecular solids?

Discuss this answer

The vapour density of a gas is 11.2. The volume occupied by 2.4 g of the gas at S.T.P wil be

Discuss this answer

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

A. ccp

B. hcp

C. fccp

D. bcc

Discuss this answer

The vapour density of pure ozone would be

A. 32

B. 8

C. 12

D. 24

Discuss this answer

In the ideal gas equation PV = nRT constant 'R' has the unit

A. joule

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

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Four 1 litre flasks are separately filled with the gases hydrogen, helium, oxygen and ozone at the same temperature and pressure, the ratio of total number of atoms of these gases present in the different flasks would be

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

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

C. atoms

Discuss this answer

Sodium chloride has fee structure. How many $N a^{+}$ and $C l^{-}$ ions are there in the unit cell?.

Discuss this answer

The electrical conductivity of metals is of the order of

Discuss this answer

In which one of the following does diffusion occur most rapidly?

A. Solid

B. Liquid

C. Gases

D. Gels

Discuss this answer

Volume occupied by 4.4 gift of carbon dioxide is

Discuss this answer

The Van der Waal's equation explains the behaviour of

Discuss this answer

How many moles of water are present in 180 gm. of water ?

A. 11

B. 5

C. 90

D. 21

Discuss this answer

An element has atomic weight 24 and equivalent weight 11.9. Its valency is

A. 1

B. 2

C. 3

D. 4

Discuss this answer

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

Discuss this answer

The critical temperature of a substance is defined as

Discuss this answer

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

Discuss this answer

Indicate the most volatile liquid of the following:

C. $H_{2} O$

Discuss this answer

The vapour density of ozone would be

A. 72

B. 8

C. 48

D. 24

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

Four 1 litre flasks are separately filled with hydrogen, helium, oxygen and ozone gases at the same temperature and pressure. The ratio of total number of atoms of these gases present in the different flasks would be

Discuss this answer

Answer 1

C.

A_{2} B_{3}

Answer 2

A. cubic arrangement

Answer 3

B. hexagonal dose packed arrangement

Answer 4

C. body centred arrangement

Answer 5

D. None of these

Answer 6

A. 6 x

^{10^{23}}

approx

Answer 7

B.

10^{30}

approx

Answer 8

C. 3 x

^{10^{10}}

approx

Answer 9

D. 12 x

^{10^{23}}

approx

Answer 10

A.

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

Answer 11

B.

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

Answer 12

C.

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

Answer 13

D.

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

Answer 14

A.

\frac{P_{1} V_{1}}{P_{2} V_{2}} = \frac{T_{1}}{T_{2}}

Answer 15

B.

\frac{V_{1} T_{2}}{P_{1}} = \frac{P_{2} T_{1}}{T_{2}}

Answer 16

C.

\frac{P_{1} T_{1}}{V_{1}} = \frac{P_{2} T_{2}}{V_{2}}

Answer 17

D.

\frac{V_{1} V_{2}}{T_{1} T_{2}} = P_{1} P_{2}

Answer 18

A. a separating funnel

Answer 19

B. distillation

Answer 20

C. sublimation

Answer 21

D. filtration

Answer 22

A. electrovalent bonds

Answer 23

B. hydrogen bonds

Answer 24

C. metallic bonds

Answer 25

D. Van der Waal's forces

Answer 26

A. 2.4 litres

Answer 27

B. 3.6 litres

Answer 28

C. 2.24 litres

Answer 29

D. 11.2 liters

Answer 30

B. litre/mol

Answer 31

C. lit-atm/deg/mol

Answer 32

D. calorie/mole

Answer 33

A. 22.4 litres

Answer 34

B. 112 litres

Answer 35

C. 12 litres

Answer 36

D. 224 litres

Answer 37

A. 3:2:2:1

Answer 38

B. 2:1:2:3

Answer 39

C. 1:2:2:3

Answer 40

D. 1:1:1:1

Answer 41

A. 4.1 x

^{10^{- 2}}

dynes

c m^{- 1}

Answer 42

B. 4.1 x

10^{3}

dynes

c m^{- 1}

Answer 43

C. 7.1 x

10^{- 3}

dynes

c m^{- 1}

Answer 44

D. None of these

Answer 45

A. 12 x

^{10^{23}}

approximately

Answer 46

B. 3 x

^{10^{10}}

approximately

Answer 47

C. 6 x

^{10^{10}}

approximately

Answer 48

D. 3 x

^{10^{23}}

approximately

Answer 49

A. volumes

Answer 50

B. molecules

Answer 51

D. temperature

Answer 52

A. 6 and 6

Answer 53

B. 4 and 4

Answer 54

C. 1 and 1

Answer 55

D. 6 and 4

Answer 56

A.

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

Answer 57

B.

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

Answer 58

C.

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

Answer 59

D.

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

Answer 60

A. 4.4 litres

Answer 61

B. 2.24 litres

Answer 62

C. 22.4 litres

Answer 63

D. 4.48 litres

Answer 64

A. ideal gases

Answer 65

B. real gases

Answer 66

C. vapours

Answer 67

D. non-real gases

Answer 68

A. 36x

^{10^{5}}

Answer 69

B.

^{10^{20}}

Answer 70

C. 5 x

^{10^{20}}

Answer 71

D. 6.02 x

^{10^{23}}

Answer 72

A. the temperature above which the substance decomposes

Answer 73

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

Answer 74

C. melting point of the substance

Answer 75

D. boiling point of the substanc

Answer 76

A.

C H_{3} O H

Answer 77

B.

C H_{3} O C H_{3}

Answer 78

D.

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

Answer 79

C. 243.67°C

Answer 80

A. 1:1:1:1

Answer 81

B. 1:2:2:3

Answer 82

C. 2:1:2:3

Answer 83

D. 3:2:2:1

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

Correct Answer :

Show all State of Matter MCQ

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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

In the wurtzite structure sulphur atoms have

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

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 ?

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

Correct Answer :

Show all State of Matter MCQ

Related Questions

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

In the wurtzite structure sulphur atoms have

The number of molecules of CO2 present in 44 gms. of CO2 is

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 ?

Correct gas equation is

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

What types of forces are present in molecular solids?

The vapour density of a gas is 11.2. The volume occupied by 2.4 g of the gas at S.T.P wil be

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

The vapour density of pure ozone would be

In the ideal gas equation PV = nRT constant 'R' has the unit

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

Four 1 litre flasks are separately filled with the gases hydrogen, helium, oxygen and ozone at the same temperature and pressure, the ratio of total number of atoms of these gases present in the different flasks would be

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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Sodium chloride has fee structure. How many Na+ and Cl- ions are there in the unit cell?.

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Indicate the most volatile liquid of the following:

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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

Four 1 litre flasks are separately filled with hydrogen, helium, oxygen and ozone gases at the same temperature and pressure. The ratio of total number of atoms of these gases present in the different flasks would be

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

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

Sodium chloride has fee structure. How many $N a^{+}$ and $C l^{-}$ ions are there in the unit cell?.

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