Chemistry - Thermochemistry Question with Solution | TestHub

ChemistryThermochemistryEnthalpy of ReactionMedium2 minPYQ_2020

ChemistryMediumsingle choice

For which one of the processes represented by the following equations the enthalpy (heat) change is likely to be negative

Answer:

Solution:

Gaseous ions, when dissolved in water, get hydrated and heat is evolved (heat of hydration). $Cl^{-} (g) + aq \to Cl^{-} (aq)$ is such reaction

Stream:BITSATSubject:ChemistryTopic:ThermochemistrySubtopic:Enthalpy of Reaction

⏱ 2mℹ️ Source: PYQ_2020

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