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Previous year question hub

Thermodynamics - Physical Chemistry - Chemistry Previous Year Questions

Practice Thermodynamics - Physical Chemistry - Chemistry previous year questions organised from real papers, with year-wise coverage and clear topic navigation.

3Papers
3Years
3Questions
1Topics

Thermodynamics question pattern

Every graph below is calculated only from this selection.

Questions by year

Year-wise coverage for Thermodynamics. Each bar uses a separate theme-derived color.

Difficulty distribution

How the classified questions are distributed by difficulty.

Not classified 3 100%

Question type distribution

MCQ, numerical, multiple-select and other formats found in these papers.

Multiple Choices 3 100%

Subject weightage

Top subjects by unique question coverage.

Chemistry
3 Qs

Most asked topics

Top topics across the included previous year papers.

Physical Chemistry
3 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Thermodynamics
3 Qs

Paper coverage

Question coverage for the most populated papers. Every active PYP paper remains listed below.

IAT IISER 2024
1 Qs
IAT IISER 2023
1 Qs
IAT IISER 2020
1 Qs

Included previous year papers

Newest papers appear first. Sort by year, question coverage or name.

PaperYear / sessionQuestions in this viewOpen
IAT IISER 202420241View paper
IAT IISER 202320231View paper
IAT IISER 202020201View paper

All Thermodynamics previous year questions

Practice every matching question in batches of 20, with every available option.

1
2020 · Chemistry · Physical Chemistry · Thermodynamics
IAT IISER 2020
What is the correct relation between the heat capacity at constant volume $\left(C_v\right)$ and heat capacity at constant pressure $\left(C_p\right)$ for an ideal gas? ( $R=$ Universal gas constant)
A
$C_v+C_p=2 R$
B
$C_P-C_V=R$
C
$C_v-C_p=2 R$
D
$C_v+C_p=R$
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2
2023 · Chemistry · Physical Chemistry · Thermodynamics
IAT IISER 2023
Consider the following reaction: $\mathrm{CH}_4(\mathrm{~g}) \rightarrow \mathrm{C}(\mathrm{g})+4 \mathrm{H}(\mathrm{g}) ; \Delta_a H^0=1665 \mathrm{kJmol}^{-} 1$ Which of the statements is FALSE?
A
$\Delta_a H^0$ is the mean bond enthalpy of a C-H bond.
B
All four $\mathrm{C}-\mathrm{H}$ bonds in $\mathrm{CH}_4$ are identical in bond length and energy.
C
The energy required to break individual $\mathrm{C}-\mathrm{H}$ bonds in successive steps is different.
D
Mean C-H bond enthalpies differ slightly from compound to compound
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3
2024 · Chemistry · Physical Chemistry · Thermodynamics
IAT IISER 2024
Consider an exothermic reaction: $2 \mathrm{~A}(\mathrm{~s}) \rightarrow \mathrm{B}(\mathrm{s})+\mathrm{C}(\mathrm{g})+\mathrm{D}(\mathrm{g})$. The correct statement about the reaction is
A
Spontaneous only at very low temperatures
B
Spontaneous only at very high temperatures
C
Non-spontaneous at all temperatures
D
Spontaneous at all temperatures
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