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Thermodynamics Class 11 mcq. We covered all the Thermodynamics Class 11 mcq in this post for free so that you can practice well for the exam.
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Thermodynamics Class 11 Objective mcq for Students
When a process occurs spontaneously, the system undergoes
a) A decrease in entropy
b) A decrease in free energy
c) An increase in entropy
d) No change in energy
Option c – An increase in entropy
During the melting of a Solid, which of the following takes place?
a) Entropy increases
b) Entropy decreases
c) Entropy remains unchanged
d) Enthalpy decreases
Option a – Entropy increases
The change in Gibbs free energy for a reversible reaction at equilibrium is
a) Infinite
b) Zero
c) Positive
d) Negative
Option b – Zero
The standard enthalpies of formation (in kJ) of ethane, ethylene, acetylene, and CO₂(g) are −136.9, −66.9, −228, and −395.3 respectively. Which of these substances is the most stable?
a) Ethane
b) Ethylene
c) Acetylene
d) Carbon dioxide
Option d – Carbon dioxide
Entropy is classified as a/an
a) Intensive property
b) Extensive property
c) Path function
d) Non-spontaneous process
Option b – Extensive property
Which of the following thermochemical quantities can have either a positive or a negative value?
a) Heat of combustion
b) Heat of neutralization
c) Heat of formation
d) Heat of hydration
Option c – Heat of formation
If the Heat of combustion of methane is 41.84 kJ, how much methane will burn to release 10.46 kJ of Heat?
a) 16 g
b) 8 g
c) 24 g
d) 4 g
Option d – 4 g
We covered all the Thermodynamics Class 11 mcq above in this post for free so that you can practice well for the exam.
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