MEDIUM
11th CBSE
IMPORTANT
Earn 100

A gas that follows Boyle’s law, Charle’s law and Avogadro’s law is called an ideal gas. Under what conditions a real gas would behave ideally?
 

Important Questions on States of Matter

MEDIUM
11th CBSE
IMPORTANT
NCERT Exemplar Chemistry - Class 11>Chapter 5 - States of Matter>Short Answer Type>Q 24
Two different gases ‘A’ and ‘B’ are filled in separate containers of equal capacity under the same conditions of temperature and pressure. On increasing the pressure slightly the gas ‘A’ liquefies but gas B does not liquefy even on applying high pressure until it is cooled. Explain this phenomenon.
MEDIUM
11th CBSE
IMPORTANT
NCERT Exemplar Chemistry - Class 11>Chapter 5 - States of Matter>Short Answer Type>Q 25
 Value of universal gas constant (R) is same for all gases. What is its physical significance?
HARD
11th CBSE
IMPORTANT
NCERT Exemplar Chemistry - Class 11>Chapter 5 - States of Matter>Short Answer Type>Q 26
One of the assumptions of kinetic theory of gases states that “there is no force of attraction between the molecules of a gas.” How far is this statement correct? Is it possible to liquefy an ideal gas? Explain.
 
MEDIUM
11th CBSE
IMPORTANT
NCERT Exemplar Chemistry - Class 11>Chapter 5 - States of Matter>Short Answer Type>Q 27
The magnitude of surface tension of liquid depends on the attractive forces between the molecules. Arrange the following in increasing order of surface tension : water, alcohol(C2H5OH) and hexane  [CH3(CH2) 4CH3)].
MEDIUM
11th CBSE
IMPORTANT
NCERT Exemplar Chemistry - Class 11>Chapter 5 - States of Matter>Short Answer Type>Q 28
Pressure exerted by saturated water vapour is called aqueous tension. What correction term will you apply to the total pressure to obtain pressure of dry gas?
 
MEDIUM
11th CBSE
IMPORTANT
NCERT Exemplar Chemistry - Class 11>Chapter 5 - States of Matter>Short Answer Type>Q 29
Name the energy which arises due to motion of atoms or molecules in a body. How is this energy affected when the temperature is increased?
 
MEDIUM
11th CBSE
IMPORTANT
NCERT Exemplar Chemistry - Class 11>Chapter 5 - States of Matter>Short Answer Type>Q 30
Name two intermolecular forces that exist between HF molecules in liquid state.
MEDIUM
11th CBSE
IMPORTANT
NCERT Exemplar Chemistry - Class 11>Chapter 5 - States of Matter>Short Answer Type>Q 31
One of the assumptions of kinetic theory of gases is that there is no force of attraction between the molecules of a gas. State and explain the evidence that shows that the assumption is not applicable for real gases.