MEDIUM
11th CBSE
IMPORTANT
Earn 100

Define entropy. Why is it a state function? Explain the effect of increased temperature on the entropy of a substance.

Important Questions on Thermodynamics

HARD
11th CBSE
IMPORTANT
Pradeep's Chemistry Vol 1>Chapter 7 - Thermodynamics>ADDITIONAL QUESTIONS>Q 10
State and explain second law of thermodynamics.
HARD
11th CBSE
IMPORTANT
Pradeep's Chemistry Vol 1>Chapter 7 - Thermodynamics>ADDITIONAL QUESTIONS>Q 11
What are the limitations of the first law of thermodynamics? State second law of thermodynamics in as many ways as you can.
HARD
11th CBSE
IMPORTANT
Pradeep's Chemistry Vol 1>Chapter 7 - Thermodynamics>ADDITIONAL QUESTIONS>Q 12
Explain the terms: Enthalpy, Entropy and Free energy.
HARD
11th CBSE
IMPORTANT
Pradeep's Chemistry Vol 1>Chapter 7 - Thermodynamics>ADDITIONAL QUESTIONS>Q 13
Explain what is meant by Gibbs' free energy change. "The sign of the free energy is very important.' Justify the statement.
HARD
11th CBSE
IMPORTANT
Pradeep's Chemistry Vol 1>Chapter 7 - Thermodynamics>ADDITIONAL QUESTIONS>Q 14

Briefly explain the effect of temperature on the spontaneity of an endothermic reaction.

MEDIUM
11th CBSE
IMPORTANT
Pradeep's Chemistry Vol 1>Chapter 7 - Thermodynamics>ADDITIONAL QUESTIONS>Q 14

Briefly explain the effect of temperature on the spontaneity of an exothermic reaction.

HARD
11th CBSE
IMPORTANT
Pradeep's Chemistry Vol 1>Chapter 7 - Thermodynamics>ADDITIONAL QUESTIONS>Q 15
Define 'standard free energy of formation'. Taking a suitable example, explain the spontaneity of a reversible reaction.
MEDIUM
11th CBSE
IMPORTANT
Pradeep's Chemistry Vol 1>Chapter 7 - Thermodynamics>ADDITIONAL QUESTIONS>Q 16
State and explain the 'third law of thermodynamics.