Which of the following phrases would be incorrect to use?

Question

Which of the following phrases would be incorrect to use?

A. An atom of an element

B. An atom of a compound

C. A molecule of a compound

D. A molecule of an element

Share this question with your friends

Show all State of Matter MCQ

Comment

The number of tetrahedral and octahedral voids per atom in a crystal lattice are, respectively

A. 1,1

B. 2,2

C. 2,1

D. 2,6

Discuss this answer

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

D. None of these

Discuss this answer

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

A. be enlarged

B. be collapse

C. remain unchanged in size

D. have half its volume of the gas

Discuss this answer

Kinetic gas equation is, PV =...

A. nRT

B. $\frac{3}{3}$ RT

C. $m n^{1} c^{2}$

D. $\frac{1}{3} m n c^{2}$

Discuss this answer

When there is more deviation in the behaviour of a gas from ideal gas equation PV = nRT

A. at high temperature and low pressure

B. at low temperature and high pressure

C. at high temperature and high pressure

D. at low temperature and low pressure

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

A closed vessel contains equal number of molecules of a total pressure at 740 mm. If oxygen is removed from the system the pressure will

A. become half of 740 mm

B. remain unchanged

C. become 1/9 of 740 mm

D. become double of 740 mm

Discuss this answer

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

A. a separating funnel

B. distillation

C. sublimation

D. filtration

Discuss this answer

Which of the following will have low heat of fusion?

A. a molecular solid

B. an ionic solid

C. a metallic solid

D. a network of covalent solid

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

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

A. critical temperature

B. Boyle's temperature

C. inversion temperature

D. reduced temperature

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 ?

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

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

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

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

Discuss this answer

The coordination number of each sphere in hcp arrangement is

A. 12

B. 8

C. 6

D. 4

Discuss this answer

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

A. Sodium

B. Solid carbon dioxide

C. Sodium chloride

D. Silicon

Discuss this answer

One gram molecule of a gas at N.T.P occupies 22.4 litres. This fact was derived from

A. Benjamin hypothesis

B. Avogadro's hypothesis

C. Dalton's theory

D. Law of atomic volume

Discuss this answer

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

A. below the critical temperature

B. above the critical temperature

C. above the normal boiling point

D. at any temperature

Discuss this answer

The weight of 11.2 litres of $C O_{2}$ at S.T.P. would be

A. 22 gms

B. 66 gms

C. 11 gms

D. 16 gms

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

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

A. 1:1:1:1

B. 1:2:2:3

C. 2:1:2:3

D. 3:2:2:1

Discuss this answer

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

A. 6.41 sp. heat

B. 6.4/sp. heat

C. sp. heat/6.4

D. sp. heat/6.4 x 2

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)

A. 10 gms of calcium

B. 20 gms of carbon

C. 20 gms of calcium

D. 12 gms of carbon

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

Molecular formula of D in the above case is

A. $A B_{5}$

B. $A_{5} B_{2}$

C. $A_{2} B_{5}$

D. AB

Discuss this answer

The number of molecules in 4.25 gm of ammonia are approximately

A. $0.5 \times 10^{23}$

B. $1.5 \times 10^{23}$

C. $2.5 \times 10^{23}$

D. $3.5 \times 10^{23}$

Discuss this answer

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

Discuss this answer

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

A. joule

B. litre/mol

C. lit-atm/deg/mol

D. calorie/mole

Discuss this answer

The mean free path of a gas molecule is the distance

A. between the two opposite walls of the container

B. through which the molecules travel in one second

C. through which molecules move between two consecutive collisions

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

Discuss this answer

The number of N2 molecules present in 28 nitrogen is

A. 2 x 10

B. 6 x $^{10^{22}}$

C. 6 x $^{10^{23}}$ approximately

D. 5 x $^{10^{30}}$ approximately

Discuss this answer

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

A. 1.086:1

B. 1:1.086

C. 2 :1.086

D. 1.086 : 2

Discuss this answer

Indicate the most viscous liquid of the following

A. propanol-2

B. 1.2, ethandiol

C. 1.2,3 propentriol

D. ethanol

Discuss this answer

Accepted Answer

C. A molecule of a compound

Which of the following phrases would be incorrect to use?

Correct Answer :

Show all State of Matter MCQ

Related Questions

The number of tetrahedral and octahedral voids per atom in a crystal lattice are, respectively

At what temperature, the root mean square velocity of oxygen molecules is equal to that of $S O_{2}$ at 27°C?

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

Kinetic gas equation is, PV =...

When there is more deviation in the behaviour of a gas from ideal gas equation PV = nRT

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

A closed vessel contains equal number of molecules of a total pressure at 740 mm. If oxygen is removed from the system the pressure will

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

Which of the following will have low heat of fusion?

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

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

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 ?

The coordination number of each sphere in hcp arrangement is

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

One gram molecule of a gas at N.T.P occupies 22.4 litres. This fact was derived from

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

The weight of 11.2 litres of $C O_{2}$ at S.T.P. would be

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

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

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

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

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

Molecular formula of D in the above case is

The number of molecules in 4.25 gm of ammonia are approximately

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

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

The mean free path of a gas molecule is the distance

The number of N2 molecules present in 28 nitrogen is

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

Indicate the most viscous liquid of the following

Also checkout

Which of the following phrases would be incorrect to use?

Correct Answer :

Show all State of Matter MCQ

Related Questions

The number of tetrahedral and octahedral voids per atom in a crystal lattice are, respectively

At what temperature, the root mean square velocity of oxygen molecules is equal to that of SO2 at 27°C?

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

Kinetic gas equation is, PV =...

When there is more deviation in the behaviour of a gas from ideal gas equation PV = nRT

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

A closed vessel contains equal number of molecules of a total pressure at 740 mm. If oxygen is removed from the system the pressure will

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

Which of the following will have low heat of fusion?

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

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

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 ?

The coordination number of each sphere in hcp arrangement is

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

One gram molecule of a gas at N.T.P occupies 22.4 litres. This fact was derived from

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

The weight of 11.2 litres of CO2 at S.T.P. would be

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

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

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

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

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

Molecular formula of D in the above case is

The number of molecules in 4.25 gm of ammonia are approximately

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

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

The mean free path of a gas molecule is the distance

The number of N2 molecules present in 28 nitrogen is

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

Indicate the most viscous liquid of the following

Also checkout

At what temperature, the root mean square velocity of oxygen molecules is equal to that of $S O_{2}$ at 27°C?

The weight of 11.2 litres of $C O_{2}$ at S.T.P. would be