Chemistry - Thermochemistry Question with Solution | TestHub

ChemistryThermochemistryEnthalpy of ReactionEasy2 minPYQ_2020

ChemistryEasysingle choice

If enthalpy of atomisation for ${Br}_{2} (l)$ is x $k J / m o l$ and bond enthalpy for $B r_{2}$ is y $k J / m o l$ , the relation between them

Answer:

Solution:

Based on hess law it can be given as

As $Δ H_{a t o m i s a t i o n} = Δ H_{V a p .} +$ Bond Energy
Hence $x > y$

Stream:NTA_ABHYAS_NEETSubject:ChemistryTopic:ThermochemistrySubtopic:Enthalpy of Reaction

⏱ 2mℹ️ Source: PYQ_2020

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