The number of atoms per unit cell in bcc arrangement is

Question

The number of atoms per unit cell in bcc arrangement is

A. 1

B. 4

C. 3

D. 2

Correct Answer :

D. 2

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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

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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

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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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The vapour density of pure ozone would be

A. 32

B. 8

C. 12

D. 24

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

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To which of the following mixtures is the Dalton's law of partial pressures not applicable?

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An example of covalent solid is

B. NaCl

C. Copper

D. $C O_{2}$

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Indicate the most viscous liquid of the following

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Correct gas equation is

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Volume occupied by 1 gm equivalent of oxygen at NTP is

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In anti-fluorite structure the negative ions

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

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

A. 1

B. 2

C. 3

D. 4

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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. $A_{2} B$

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

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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

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

A. joule

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In what ratio by mass carbon monoxide and nitrogen should be mixed so that partial pressure exerted by each gas is same?

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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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One mole of gas is defined as

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Gases deviate from the ideal behaviour because their molecules

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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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The vapour density of ozone would be

A. 72

B. 8

C. 48

D. 24

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A balloon filled with ethane is pricked up with sharp point and quickly plunged into a tank of hydrogen at the same pressure. After some time balloon will

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The limiting radii ratio for the tetrahedral geometry is

A. 0.155

B. 0.444

C. 0.732

D. 0.225

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Three dimensional array of points in space is called

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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

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The average kinetic energy of the molecule of $S O_{2}$ (moL wt. = 64) at 27°C is E. Then the average kinetic energy of $C O_{2}$ at 27°C is

C. E

D. 22E

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The number of molecules is 4.25 g of ammonia are approximately

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What will be the mass of 6.03 x $^{10^{23}}$ molecules of carbon monoxide ?

A. 18.00

B. 28.01

C. 56.02

D. 14.05

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Answer 1

A. 12 litre

Answer 2

B. 11.2 litres

Answer 3

C. 2.24 litres

Answer 4

D. 22.4 litres

Answer 5

A. a separating funnel

Answer 6

B. distillation

Answer 7

C. sublimation

Answer 8

D. filtration

Answer 9

A.

H_{2} + O_{2}

Answer 10

B.

N_{2} + O_{2}

Answer 11

C. NO +

O_{2}

Answer 12

D. Xe + Ar

Answer 13

A. diamond

Answer 14

A. propanol-2

Answer 15

B. 1.2, ethandiol

Answer 16

C. 1.2,3 propentriol

Answer 17

D. ethanol

Answer 18

A.

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

Answer 19

B.

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

Answer 20

C.

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

Answer 21

D.

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

Answer 22

A. 22.4 litres

Answer 23

B. 2.24 litres

Answer 24

C. 5.6 litres

Answer 25

D. 11.2 litres

Answer 26

A. occupy tetrahedral voids

Answer 27

B. occupy octahedral voids

Answer 28

C. are arranged in ccp

Answer 29

D. are arranged in hcp

Answer 30

A. 10 gms of calcium

Answer 31

B. 20 gms of carbon

Answer 32

C. 20 gms of calcium

Answer 33

D. 12 gms of carbon

Answer 34

C.

A_{2} B_{3}

Answer 35

A. Equal number of electrons

Answer 36

B. Equal number of ions

Answer 37

C. Equal number of atoms

Answer 38

D. Equal number of molecules

Answer 39

A. 3:2:2:1

Answer 40

B. 2:1:2:3

Answer 41

C. 1:2:2:3

Answer 42

D. 1:1:1:1

Answer 43

B. litre/mol

Answer 44

C. lit-atm/deg/mol

Answer 45

D. calorie/mole

Answer 46

A.

m (N_{2}) = m (C O)

Answer 47

B.

m (N_{2}) = 2 m (C O)

Answer 48

C.

m (N_{2}) = 0.5 m (C O)

Answer 49

D. None of these

Answer 50

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

Answer 51

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

Answer 52

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

Answer 53

D. The number of molecules in litre of gas

Answer 54

A. possess negligible volume

Answer 55

B. have forces of attraction between them

Answer 56

C. are polyatomic

Answer 57

D. are not attracted to one another

Answer 58

D. None of these

Answer 59

A. be enlarged

Answer 60

B. be collapse

Answer 61

C. remain unchanged in size

Answer 62

D. have half its volume of the gas

Answer 63

A. unit cell

Answer 64

B. crystal lattice

Answer 65

C. micro-crystal

Answer 66

D. None of these

Answer 67

A. Triple the volume of

S O_{2}

Answer 68

B. Half the volume of

S O_{2}

Answer 69

C. Equal to the volume of

S O_{2}

Answer 70

D. One third the volume of

S O_{2}

Answer 71

A.

\frac{E \times 64}{44}

Answer 72

B.

\frac{E \times 44}{64}

Answer 73

A. 3.5 x

^{10^{23}}

Answer 74

B. 2.5 x

^{10^{23}}

Answer 75

C. 1.5 x

^{10^{23}}

Answer 76

D. 0.5 x

^{10^{23}}

The number of atoms per unit cell in bcc arrangement is

Correct Answer :

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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

The vapour density of pure ozone would be

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

To which of the following mixtures is the Dalton's law of partial pressures not applicable?

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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

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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?

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The number of atoms per unit cell in bcc arrangement is

Correct Answer :

Show all State of Matter MCQ

Related Questions

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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

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

The vapour density of pure ozone would be

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

To which of the following mixtures is the Dalton's law of partial pressures not applicable?

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Correct gas equation is

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In anti-fluorite structure the negative ions

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

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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

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