MEDIUM
11th CBSE
IMPORTANT
Earn 100

What are the units of van der Waals constants ‘a’ and ‘b’ ? What is their significance?

Important Questions on States of Matter: Gases and Liquids

MEDIUM
11th CBSE
IMPORTANT
Pradeep's Chemistry Vol 1>Chapter 5 - States of Matter: Gases and Liquids>ADDITIONAL QUESTIONS>Q 21
Why is the effect of temperature more important for the liquefaction of gases? Define critical temperature and critical pressure.
MEDIUM
11th CBSE
IMPORTANT
Pradeep's Chemistry Vol 1>Chapter 5 - States of Matter: Gases and Liquids>ADDITIONAL QUESTIONS>Q 22
Briefly describe the importance of critical temperature. How can it be correlated with van der Waalas constant ‘a’ ?
MEDIUM
11th CBSE
IMPORTANT
Pradeep's Chemistry Vol 1>Chapter 5 - States of Matter: Gases and Liquids>ADDITIONAL QUESTIONS>Q 23
Explain the statement ‘Liquid state is intermediate between the gaseous state and the solid state.’
EASY
11th CBSE
IMPORTANT
Pradeep's Chemistry Vol 1>Chapter 5 - States of Matter: Gases and Liquids>ADDITIONAL QUESTIONS>Q 24

Give reason for the following:

Liquids have a definite volume but no definite shape.

EASY
11th CBSE
IMPORTANT
Pradeep's Chemistry Vol 1>Chapter 5 - States of Matter: Gases and Liquids>ADDITIONAL QUESTIONS>Q 24

Give reason for the following :

Liquids have higher density than gases.

EASY
11th CBSE
IMPORTANT
Pradeep's Chemistry Vol 1>Chapter 5 - States of Matter: Gases and Liquids>ADDITIONAL QUESTIONS>Q 24

Give reason for the following :

Liquids are much less compressible than gases.

EASY
11th CBSE
IMPORTANT
Pradeep's Chemistry Vol 1>Chapter 5 - States of Matter: Gases and Liquids>ADDITIONAL QUESTIONS>Q 24

Give reason for the following:

Liquids possess fluidity.

EASY
11th CBSE
IMPORTANT
Pradeep's Chemistry Vol 1>Chapter 5 - States of Matter: Gases and Liquids>ADDITIONAL QUESTIONS>Q 25
Define vapour pressure, boiling point and heat of vaporisation.