JEE MAINS · Chemistry
Thermodynamics (C)
299 practice questions for JEE Mains — 142 easy · 146 medium · 11 hard. Every question is graded instantly with a step-by-step solution when you miss it.
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Numerical
A perfect gas $(0.1 \mathrm{~mol})$ having $\overline{\mathrm{C}}_{\mathrm{v}}=1.50 \mathrm{R}$ (independent of temperature) undergoes the above transformation from point 1 to point 4. If each step is reversible, the…
Numerical
The Born-Haber cycle for $\mathrm{KCl}$ is evaluated with the following data:…
Numerical
The ionization enthalpy of $\mathrm{Na}^{+}$ formation from $\mathrm{Na}_{\left(g\right)}$ is $495.8\mathrm{kJ}\mathrm{mol}^{-1},$while the electron gain enthalpy of $\mathrm{Br}$ is…
Numerical
Q3803 (image question)
Numerical
The equilibrium constant $K_{c}$ at $298K$ for the reaction $A+B\rightleftharpoons\,C+D$is $100.$ Starting with an equimolar solution with concentrations of $A,B,C$ and $D$ all equal to $1M$, the equilibrium…
Numerical
An ideal gas undergoes a cyclic transformation starting from the point $A$ and coming back to the same point by tracing the path $A\rightarrow\,B\rightarrow\,C\rightarrow\,A$ as shown in the diagram. The total work done…
MCQ
The combination of plots which does not represent isothermal expansion of an ideal gas is $(A)$ $(B)$ $\left(C\right)$ $(D)$
Numerical
Given : $\begin{aligned} & \Delta \mathrm{H}_{\text {sub }}^{\ominus}[\mathrm{C}(\text { graphite })]=710 \mathrm{~kJ} \mathrm{~mol}^{-1} \\ & \Delta_{\mathrm{C}-\mathrm{H}} \mathrm{H}^{\ominus}=414 \mathrm{~kJ}…
Numerical
Consider the graph of Gibbs free energy G vs extent of reaction. The number of statement/s from the following which are true with respect to points (a), (b) and (c) is$\_\_\_\_\_\_$ A. Reaction is spontaneous at (a) and…
Numerical
According to the following figure, the magnitude of the enthalpy change of the reaction $A+B\rightarrow\,M+N$in$\mathrm{kJ}\mathrm{mol}^{-1}$ is equal to __________ . (Integer answer)
Numerical
The heat of solution of anhydrous \(\mathrm{CuSO}_4\) and \(\mathrm{CuSO}_4 \cdot 5 \mathrm{H}_2 \mathrm{O}\) are \(-70 \mathrm{~kJ} \mathrm{~mol}^{-1}\) and \(+12 \mathrm{~kJ} \mathrm{~mol}^{-1}\) respectively. The…
Numerical
The formation enthalpies, $\Delta \mathrm{H}_{\mathrm{f}} \ominus$ for $\mathrm{H}_{(\mathrm{g})}$ and $\mathrm{O}_{(\mathrm{g})}$ are 220.0 and $250.0 \mathrm{~kJ} \mathrm{~mol}^{-1}$, respectively, at 298.15 K , and…