Thermochemistry, Entropy Changes - Free MCQ Practice Test with solutions,
MCQ Practice Test & Solutions: Test: Thermochemistry, Entropy Changes (10 Questions)
You can prepare effectively for JEE Chemistry for JEE Main & Advanced with this dedicated MCQ Practice Test (available with solutions) on the important topic of "Test: Thermochemistry, Entropy Changes". These 10 questions have been designed by the experts with the latest curriculum of JEE 2026, to help you master the concept.
Test Highlights:
- - Format: Multiple Choice Questions (MCQ)
- - Duration: 20 minutes
- - Number of Questions: 10
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If a reaction involves only solids and liquids which of the following is true?
Detailed Solution: Question 1
One mole of a non-ideal gas undergoes a change of state (2.0 atm,3.0 L,95 K) → (4.0 atm, 5.0 L, 245 K) with a change in internal energy, ΔU = 30.0 L atm. The change in enthalpy ΔH of the process in L atm is.
Detailed Solution: Question 2
atm
If bond enthalpies of 
and 
bonds are 
and 
respectively, 
for 
will be
and bonds are and respectively, for will beDetailed Solution: Question 3
Heat of neutralization of a strong acid HA and a weaker acid 
with 
are 
and 
cal 
. When 1 mole of 
was added to a mixture containing 1 mole each of HA and 
, the heat change was 
. In what ratio is the base distributed between HA and HB.
with are and cal . When 1 mole of was added to a mixture containing 1 mole each of HA and , the heat change was . In what ratio is the base distributed between HA and HB.Detailed Solution: Question 4
mole of 
be neutralized by the strong acid 
. Then, moles neutralized by 
The latent heat of vapourization of a liquid at 
and 1 atm pressure is 
. What will be the change in internal energy 
of 3 moles of liquid at the same temperature
and 1 atm pressure is . What will be the change in internal energy of 3 moles of liquid at the same temperatureDetailed Solution: Question 5
The difference between the reaction enthalpy change 
and reaction internal energy change 
for the reaction:
at 
is 
and reaction internal energy change for the reaction:at
is Detailed Solution: Question 6
From given following equations and 
values, determine the enthalpy of reaction at 
for the reaction :
values, determine the enthalpy of reaction at for the reaction :Detailed Solution: Question 7
The enthalpy of the reaction forming 
according to the following equation is 
. What heat energy 
is released in formation of 
(Atomic masses : Pb = 207,O = 16.0)
according to the following equation is . What heat energy is released in formation of (Atomic masses : Pb = 207,O = 16.0)
Detailed Solution: Question 8
What is 
for the combustion of 1 mole of benzene, when both the reactants and the products are at 
?
for the combustion of 1 mole of benzene, when both the reactants and the products are at ?Detailed Solution: Question 9
(l)
For which one of the following equations is 
equal to 
?
Detailed Solution: Question 10
or 
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