Thermodynamics PYQs - Last 10 Years
MHT CET (Biology) / Chemistry / Physical Chemistry / 11 recent questions
ChemistryPhysical Chemistry2016-2025
Practice 11 MHT CET (Biology) Chemistry questions from Thermodynamics. Use the year-wise and type-wise breakdown to prioritize recent PYQs, then continue into the question list below.
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Last 10 Years Thermodynamics Questions
Showing 11 of 11 filtered questions.
1Thermodynamics
Calculate the work done in following reaction.
$$ \begin{aligned} & \mathrm{C}_2 \mathrm{H}_{4(\mathrm{~g})}+\mathrm{HCl}_{(\mathrm{g})} \longrightarrow \mathrm{C}_2 \mathrm{H}_5 \mathrm{Cl}_{(\mathrm{g})} \text { at } 27^{\circ} \mathrm{C}...
$$ \begin{aligned} & \mathrm{C}_2 \mathrm{H}_{4(\mathrm{~g})}+\mathrm{HCl}_{(\mathrm{g})} \longrightarrow \mathrm{C}_2 \mathrm{H}_5 \mathrm{Cl}_{(\mathrm{g})} \text { at } 27^{\circ} \mathrm{C}...
MCQ+1 / -02025
2Thermodynamics
For a certain reaction, $\Delta \mathrm{H}^{\circ}=219 \mathrm{~kJ}$ and $\Delta \mathrm{S}^{\circ}=-21 \mathrm{JK}^{-1}$. Find the value of $\Delta \mathrm{G}^{\circ}$.
MCQ+1 / -02025
3Thermodynamics
Calculate the change in internal energy of the system if 15 kJ of work done on the surrounding and system releases 10 kJ of heat in a particular reaction.
MCQ+1 / -02025
4Thermodynamics
Calculate standard Gibbs energy for a certain reaction if $\Delta \mathrm{H}^{\circ}$ and $\Delta \mathrm{S}^{\circ}$ respectively are $219 \mathrm{~kJ} \mathrm{~mol}^{-1}$ and $-20 \mathrm{JK}^{-1}$.
MCQ+1 / -02025
5Thermodynamics
Which from following reactions performs highest + ve work at $25^{\circ} \mathrm{C}$ ?
MCQ+1 / -02025
6Thermodynamics
The entropy of vaporisation of benzene is $85 \mathrm{~J} \mathrm{~K}^{-1} \mathrm{~mol}^{-1}$. When 117 g of benzene vaporises at its boiling point, what is entropy change of surrounding if process is at equilibrium?
MCQ+1 / -02024
7Thermodynamics
Which from following terms is explained by first law of thermodynamics?
MCQ+1 / -02024
8Thermodynamics
What is the change in internal energy for $2 \mathrm{CO}_{(\mathrm{g})}+\mathrm{O}_{2(\mathrm{~g})} \rightarrow 2 \mathrm{CO}_{2(\mathrm{~g})}$ at $25^{\circ} \mathrm{C}$ ?
( $\mathrm{R}=8.314 \mathrm{~J} \mathrm{~K}^{-1} \mathrm{~mol}^{-1}...
( $\mathrm{R}=8.314 \mathrm{~J} \mathrm{~K}^{-1} \mathrm{~mol}^{-1}...
MCQ+1 / -02024
9Thermodynamics
Calculate heat of formation of $\mathrm{SO}_2$ from following equations.
$$ \begin{aligned} & \mathrm{S}+\frac{3}{2} \mathrm{O}_2 \longrightarrow \mathrm{SO}_3, \Delta \mathrm{H}=-2 \mathrm{xkJ} \\ & \mathrm{SO}_2+\frac{1}{2} \mathrm{O}_2 \...
$$ \begin{aligned} & \mathrm{S}+\frac{3}{2} \mathrm{O}_2 \longrightarrow \mathrm{SO}_3, \Delta \mathrm{H}=-2 \mathrm{xkJ} \\ & \mathrm{SO}_2+\frac{1}{2} \mathrm{O}_2 \...
MCQ+1 / -02024
10Thermodynamics
Which of the following symbols represents heat of reaction at constant pressure?
MCQ+1 / -02024
11Thermodynamics
One mole of a perfect gas expands isothermally and reversibly from $10 \mathrm{dm}^3$ to $20 \mathrm{dm}^3$ at 300 K . Find $\Delta \mathrm{U}, \mathrm{q}$ and work done respectively in the process. $\left(\mathrm{R}=8.3 \times 10^{-3} \mat...
MCQ+1 / -02024