Thermodynamics — Important Questions
CBSE · Class 11 · Chemistry
116 important questions from Thermodynamics for CBSE Class 11 Chemistry, with answers. Includes multiple choice, multiple correct and true false questions.
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Important Questions from Thermodynamics
What does a negative ΔH indicate in a chemical reaction?
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Exothermic reaction
A negative ΔH indicates an exothermic reaction where heat is released to the surroundings.
What is entropy (S) a measure of?
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Disorder or randomness
Entropy is a thermodynamic quantity that represents the degree of disorder or randomness in a system.
What does Gibbs free energy (G) represent?
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Energy available to do useful work
Gibbs free energy represents the energy available to do useful work in a system at constant temperature and pressure.
What condition indicates a spontaneous reaction?
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ΔG < 0
A negative Gibbs free energy change (ΔG < 0) indicates a spontaneous reaction that will occur without external intervention.
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Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
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