Chemistry - Chemical Equilibrium Question with Solution | TestHub

ChemistryChemical EquilibriumMiscellaneous/MixedEasy2 minPYQ_2022

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For an isomerisation reaction $A ⇌ B$ , the temperature dependence of equilibrium constant is given by $lo g_{e} K = 4.0 - \frac{2000}{T}$ The value of $Δ S^{\circ}$ at Hook is, therefore

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Solution:

van't Hoff equation giving variation of equilibrium constant, $K$ with temperature $T$ is $lo g_{e} K = - \frac{Δ H ^{\circ}}{RT} + \frac{Δ S ^{\circ}}{R}$ Given, $lo g_{e} K = - \frac{2000}{T} + 4.0$ $∴ Δ S^{\circ} / R = 4 \Rightarrow Δ S^{\circ} = 4 R$

Stream:BITSATSubject:ChemistryTopic:Chemical EquilibriumSubtopic:Miscellaneous/Mixed

⏱ 2mℹ️ Source: PYQ_2022

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