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JEE Advanced 2023 Paper 2 Online
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=...
JEE Advanced 2023 Paper 2 Online
$$ \text { The value of enthalpy change, } \mathrm{H}_\beta-\mathrm{H}_\alpha \text { (in } \mathrm{J} \mathrm{mol}^{-1} \text { ), at } 300 \mathrm{~...
JEE Advanced 2023 Paper 1 Online
One mole of an ideal monoatomic gas undergoes two reversible processes $(\mathrm{A} \rightarrow \mathrm{B}$ and $\mathrm{B} \rightarrow \mathrm{C})$ a...
JEE Advanced 2023 Paper 1 Online
In a one-litre flask, 6 moles of $A$ undergoes the reaction $A(\mathrm{~g}) \rightleftharpoons P(\mathrm{~g})$. The progress of product formation at t...
JEE Advanced 2022 Paper 1 Online
$2 \mathrm{~mol} \,\mathrm{of}\, \mathrm{Hg}(\mathrm{g})$ is combusted in a fixed volume bomb calorimeter with excess of $\mathrm{O}_{2}$ at $298 \mat...
JEE Advanced 2021 Paper 2 Online
One mole of an ideal gas at 900 K, undergoes two reversible processes, I followed by II, as shown below. If the work done by the gas in the two proces...
JEE Advanced 2021 Paper 1 Online
The value of standard enthalpy, $$\Delta$$Ho (in kJ mol$$-$$1) for the given reaction is _______.
JEE Advanced 2021 Paper 1 Online
The value of $$\Delta$$S$$\theta$$ (in J K$$-$$1 mol$$-$$1) for the given reaction, at 1000 K is _________.
JEE Advanced 2020 Paper 2 Offline
Tin is obtained from cassiterite by reduction with coke. Use the data given below to determine the minimum temperature (in K) at which the reduction o...
JEE Advanced 2020 Paper 1 Offline
Aluminium reacts with sulphuric acid to form aluminium sulphate and hydrogen. What is the volume of hydrogen gas in litre (L) produced at 300 K and 1....
JEE Advanced 2018 Paper 2 Offline
The surface of copper gets tarnished by the formation of copper oxide. $${N_2}$$ gas was passed to prevent the oxide formation during heating of coppe...
IIT-JEE 2009 Paper 2 Offline
In a constant volume calorimeter, 3.5 g of a gas with molecular weight 28 was burnt in excess oxygen at 298.0 K. The temperature of the calorimeter wa...

MCQ (More than One Correct Answer)

JEE Advanced 2022 Paper 2 Online
The correct option(s) about entropy (S) is(are) $[\mathrm{R}=$ gas constant, $\mathrm{F}=$ Faraday constant, $\mathrm{T}=$ Temperature $]$
JEE Advanced 2021 Paper 1 Online
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 ...
JEE Advanced 2020 Paper 1 Offline
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 $$w = - ...
JEE Advanced 2019 Paper 1 Offline
Choose the reaction(s) from the following options, for which the standard enthalpy of reaction of equal to the standard enthalpy of formation.
JEE Advanced 2018 Paper 2 Offline
For a reaction, $$A\,\,\rightleftharpoons\,\,P,$$ the plots of $$\left[ A \right]$$ and $$\left[ P \right]$$ with time at temperature $${T_1}$$ and $$...
JEE Advanced 2018 Paper 1 Offline
A reversible cyclic process for an ideal gas is shown below. Here, $$P, V,$$ and $$T$$ are pressure, volume and temperature, respectively. The thermod...
JEE Advanced 2017 Paper 2 Offline
For a reaction taking place in a container in equilibrium with its surroundings, the effect of temperature on its equilibrium constant $$K$$ in terms ...
JEE Advanced 2017 Paper 1 Offline
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...
JEE Advanced 2013 Paper 1 Offline
Benzene and naphthalene form an ideal solution at room temperature. For this process, the true statement(s) is(are)
IIT-JEE 2012 Paper 2 Offline
The reversible expansion of an ideal gas under adiabatic and isothermal conditions is shown in the figure. Which of the following statement(s) is(are)...
IIT-JEE 2012 Paper 1 Offline
For an ideal gas, consider only P-V work in going from an initial state X to the final state Z. The final state Z can be reached by either of the two ...
IIT-JEE 2010 Paper 1 Offline
Among the following, the intensive property is (properties are)
IIT-JEE 2009 Paper 2 Offline
Among the following, the state function(s) is(are)

MCQ (Single Correct Answer)

JEE Advanced 2020 Paper 1 Offline
If the distribution of molecular speeds of a gas is as per the figure shown below, then the ratio of the most probable, the average, and the root mean...
JEE Advanced 2017 Paper 2 Offline
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)...
JEE Advanced 2016 Paper 1 Offline
One mole of an ideal gas at 300 K in thermal contact with surroundings expands isothermally from 1.0 L to 2.0 L against a constant pressure of 3.0 atm...
JEE Advanced 2015 Paper 1 Offline
Match the thermodynamics processes given under column I with expression given under column II Column I (A) Freezing water at 273 K and 1 atm (B) Expan...
JEE Advanced 2014 Paper 2 Offline
For the process H2O(l) $$\to$$ H2O(g) at T = 100oC and 1 atmosphere pressure, the correct choice is
JEE Advanced 2013 Paper 2 Offline
The succeeding operations that enable this transformation of states are
JEE Advanced 2013 Paper 2 Offline
The pair of isochoric processes among the transformation of states is
JEE Advanced 2013 Paper 1 Offline
The standard enthalpies of formation of CO2(g), H2O(l) and glucose(s) at 25oC are –400 kJ/mol, –300 kJ/mol and –1300 kJ/mol, respectively. The standar...
IIT-JEE 2012 Paper 2 Offline
Using the data provided, calculate the multiple bond energy (kJ mol$$-$$1) of a C=C bond in C2H2. That energy is (take the bond energy of C-H bond as ...
IIT-JEE 2011 Paper 2 Offline
Match the transformations in column I with appropriate options in column II Column I (A) CO2(s) $$\to$$ CO2(g) (B) CaCO3(s) $$\to$$ CaO(s) + CO2(g) (C...
IIT-JEE 2010 Paper 1 Offline
The species which by definition has ZERO standard molar enthalpy of formation at 298 K is
IIT-JEE 2008 Paper 2 Offline
Statement 1 : There is a natural asymmetry between converting work to heat and converting heat to work. Statement 2 : No process is possible in which ...
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