Thermodynamics PYQs - Last 10 Years
JEE Advanced / Chemistry / Physical Chemistry / 24 recent questions
ChemistryPhysical Chemistry2017-2026
Practice 24 JEE Advanced Chemistry questions from Thermodynamics. Use the year-wise and type-wise breakdown to prioritize recent PYQs, then continue into the question list below.
24
PYQs on Page
Chemistry / Physical Chemistry
2017-2026
Year Range
Based on indexed question metadata
10
Last 5 Years
2022-2026
24
Last 10 Years
2017-2026
Recent Year Trend
2021
2022
2023
2024
2025
2026Latest year
20214 max PYQs/year2026
Question Types
24PYQs
INTEGER50%
MCQM37.5%
MCQ12.5%
Difficulty Mix
#1 Medium14
#2 Hard8
#3 Easy2
10 in last 5 years24 in last 10 years
Last 10 Years Thermodynamics Questions
Showing 24 of 24 filtered questions.
1Thermodynamics
List-I contains various physical/chemical processes, and List-II contains combinations of changes in enthalpy ($\Delta H$) and entropy ($\Delta S$). Match each entry in List-I to the appropriate entry in List-II, and choose the correct opti...
MCQ+4 / -12026
2Thermodynamics
An ideal gas (0.5 mol), initially at 2 bar pressure, is compressed at a constant temperature of 600 K in two steps: first, against a constant external pressure of P bar (2 < P < 8), and then against constant external pressure of 8 bar. At e...
MCQ+3 / -12026
3Thermodynamics
Considering ideal gas behavior, the expansion work done (in kJ) when 144 g of water is electrolyzed completely under constant pressure at 300 K is ______.Use: Universal gas constant (R) = 8.3 J K−1 mol−1; Atomic mass (in amu): H = 1, O = 16
INTEGER+4 / -02025
4Thermodynamics
Consider the following volume-temperature $(\mathrm{V}-\mathrm{T})$ diagram for the expansion of 5 moles of an ideal monoatomic gas.
Considering only $\mathrm{P}-\mathrm{V}$ work is involved, the total change in enthalpy (in Joule) for t...
Considering only $\mathrm{P}-\mathrm{V}$ work is involved, the total change in enthalpy (in Joule) for t...
INTEGER+4 / -02024
5Thermodynamics
\(\text { The value of enthalpy change, } \mathrm{H}_\beta-\mathrm{H}_\alpha \text { (in } \mathrm{J} \mathrm{mol}^{-1} \text { ), at } 300 \mathrm{~K} \text { is }\) ________.
INTEGER+3 / -02023
6Thermodynamics
The value of entropy change, $S_\beta-S_\alpha$ (in $\mathrm{J} \mathrm{mol}^{-1} \mathrm{~K}^{-1}$ ), at $300 \mathrm{~K}$ is _______.
[Use : $\ln 2=0.69$
Given : $S_\beta-S_\alpha=0$ at $0 \mathrm{~K}$ ]
[Use : $\ln 2=0.69$
Given : $S_\beta-S_\alpha=0$ at $0 \mathrm{~K}$ ]
INTEGER+3 / -02023
7Thermodynamics
In a one-litre flask, 6 moles of $A$ undergoes the reaction $A(\mathrm{~g}) \rightleftharpoons P(\mathrm{~g})$. The progress of product formation at two temperatures (in Kelvin), $\mathrm{T}_1$ and $\mathrm{T}_2$, is shown in the figure:
If...
If...
INTEGER+4 / -02023
8Thermodynamics
One mole of an ideal monoatomic gas undergoes two reversible processes $(\mathrm{A} \rightarrow \mathrm{B}$ and $\mathrm{B} \rightarrow \mathrm{C})$ as shown in the given figure:
$\mathrm{A} \rightarrow \mathrm{B}$ is an adiabatic process....
$\mathrm{A} \rightarrow \mathrm{B}$ is an adiabatic process....
INTEGER+4 / -02023
9Thermodynamics
The correct option(s) about entropy (S) is(are)
$[\mathrm{R}=$ gas constant, $\mathrm{F}=$ Faraday constant, $\mathrm{T}=$ Temperature $]$
$[\mathrm{R}=$ gas constant, $\mathrm{F}=$ Faraday constant, $\mathrm{T}=$ Temperature $]$
MCQM+4 / -22022
10Thermodynamics
$2 \mathrm{~mol} \,\mathrm{of}\, \mathrm{Hg}(\mathrm{g})$ is combusted in a fixed volume bomb calorimeter with excess of $\mathrm{O}_{2}$ at $298 \mathrm{~K}$ and 1 atm into $\mathrm{HgO}(s)$. During the reaction, temperature increases from...
INTEGER+3 / -02022
11Thermodynamics
One mole of an ideal gas at 900 K, undergoes two reversible processes, I followed by II, as shown below. If the work done by the gas in the two processes are same, the value of \(\ln {{{V_3}} \over {{V_2}}}\) is _________.(U : internal ener...
INTEGER+4 / -02021
12Thermodynamics
An ideal gas undergoes a reversible isothermal expansion from state I to state II followed by a reversible adiabatic expansion from state II to state III. The correct plot(s) representing the changes from state I to state III is (are)(p : p...
MCQM+4 / -22021
13Thermodynamics
The value of \(\Delta\)S\(\theta\) (in J K\(-\)1 mol\(-\)1) for the given reaction, at 1000 K is _________.
INTEGER+2 / -02021
14Thermodynamics
The value of standard enthalpy, \(\Delta\)Ho (in kJ mol\(-\)1) for the given reaction is _______.
INTEGER+2 / -02021
15Thermodynamics
Tin is obtained from cassiterite by reduction with coke. Use the data given below to determine the minimum temperature (in K) at which the reduction of cassiterite by coke would take place.At $$298K:{\Delta _f}H^\circ [Sn{O_2}(s)] = - 581....
INTEGER+4 / -02020
16Thermodynamics
In thermodynamics, the p-V work done is given by\(w = - \int {dV{p_{ext}}}\)For a system undergoing a particular process, the work done is \(w = - \int {dV\left( {{{RT} \over {V - b}} - {a \over {{V^2}}}} \right)}\)This equation is appl...
MCQM+4 / -22020
17Thermodynamics
Choose the reaction(s) from the following options, for which the standard enthalpy of reaction of equal to the standard enthalpy of formation.
MCQM+4 / -12019
18Thermodynamics
Which of the following statement(s) is(are) correct regarding the root mean square speed (Urms) and average translational kinetic energy (Eav) of a molecule in a gas at equilibrium?
MCQM+4 / -12019
19Thermodynamics
The surface of copper gets tarnished by the formation of copper oxide. \({N_2}\) gas was passed to prevent the oxide formation during heating of copper at \(1250\) \(K.\) However, the \({N_2}\) gas contains \(1\) mole % of water vapor as i...
INTEGER+3 / -02018
20Thermodynamics
For a reaction, \(A\,\,\rightleftharpoons\,\,P,\) the plots of \(\left[ A \right]\) and \(\left[ P \right]\) with time at temperature \({T_1}\) and \({T_2}\) are given below.
If \({T_2} > {T_1},\) the correct statement(s) is (are) (Assum...
If \({T_2} > {T_1},\) the correct statement(s) is (are) (Assum...
MCQM+3 / -0.752018
21Thermodynamics
A reversible cyclic process for an ideal gas is shown below. Here, \(P, V,\) and \(T\) are pressure, volume and temperature, respectively. The thermodynamic parameters \(q,w, H\) and \(U\) are heat, work, enthalpy and internal energy, respe...
MCQM+4 / -12018
22Thermodynamics
For a reaction taking place in a container in equilibrium with its surroundings, the effect of temperature on its equilibrium constant \(K\) in terms of change in entropy is described by
MCQM+4 / -12017
23Thermodynamics
The standard state Gibbs free energies of formation of \(C\)(graphite) and \(C\)(diamond) at \(T=298\) \(K\) are
\({\Delta _f}{G^0}\) [\(C\)(graphite)] \(= 0kJmo{l^{ - 1}}\)
\({\Delta _f}{G^0}\) [\(C\)(diamond)] \(= 2.9kJmo{l^{ - 1}}\)
...
\({\Delta _f}{G^0}\) [\(C\)(graphite)] \(= 0kJmo{l^{ - 1}}\)
\({\Delta _f}{G^0}\) [\(C\)(diamond)] \(= 2.9kJmo{l^{ - 1}}\)
...
MCQ+3 / -0.752017
24Thermodynamics
An ideal gas is expanded from \(\left( {{p_1},{V_1},{T_1}} \right)\) to \(\left( {{p_2},{V_2},{T_2}} \right)\) under different conditions. The correct statement(s) among the following is (are)
MCQM+4 / -12017