9 JEE Main 2018 Thermodynamics (C) previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2018 previous-year questions from the Thermodynamics (C) chapter of Chemistry. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the Thermodynamics (C) chapter hub.
At 320 K, a gas A 2 is 20 % dissociated to A ( g ) . The standard Gibbs free energy change at 320   K   a n d…
The combustion of benzene l gives CO 2 g and H 2 O l . Given that heat of combustion of benzene at constant volume is -…
For which of the following reactions, Δ H is equal to Δ U ?
An ideal gas undergoes a cyclic process as shown in Figure. $\begin{aligned} &\Delta \mathrm{U}_{\mathrm{BC}}=-5 \mathr…
For which of the following processes, ∆ S is negative?
An ideal gas undergoes a cyclic process as shown in the figure ∆ U BC = - 5 KJmol - 1 , q AB = 2 KJmol - 1 W AB =…
Given (i) 2 Fe₂ O₃(~s) → 4 Fe(s)+3 O₂(~g); Gⁱrc=+1487.0 ~kJ ~mol⁻¹ (ii) 2 CO(g)+O₂(~g) → 2 CO₂(~g); Gⁱrc=-514.4 ~kJ ~mo…
For which of the following reactions, ∆ H is equal to ∆ U ?
Gⁱrc at 500 ~K for substance ' S ' in liquid state and gaseous state are +100.7 kcal mol⁻¹ and +103 kcal mol⁻¹, respect…