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
A spontaneous change when takes place the system suffers from
(A) a Lowering in entropy
(B) a Lowering in free energy
(C) an Increase in entropy
(D) No energy change
Option c – an Increase in entropy
In the melting of solids
(A) Entropy increases
(B) Entropy decreases
(C) No change in entropy
(D) Enthalpy decreases
Option a – Entropy increases
Free energy change in a reversible reaction at equilibrium is
(A) Infinite
(B) Zero
(C) Positive
(D) Negative
Option b – Zero
Enthalpy of formation of ethane, ethylene, acetylene, and CO2(g) are -136.9, -66.9, -228 and-395.3 kJ respectively. The most stable compound is
(A) Ethane
(B) Ethylene
(C) Acetylene
(D) Carbon
Option d – Carbon
Entropy is a
(A) Intensive property
(B) Extensive property
(C) Path function
(D) Non-spontaneous process
Option b – Extensive property
Which of the following may be positive or negative?
(A) The 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. The amount of CH4 combusted when 10.46 kJ heat is liberated is
(A) 16 g
(B) 8 g
(C) 24 g
(D) 4 g
Option d – 4 g
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