Chemistry - Thermodynamics - I Question with Solution | TestHub

ChemistryThermodynamics - IFirst law of ThermodynamicsEasy2 minPYQ_2020
ChemistryEasysingle choice



For this reaction (ring closure),ΔH=-49kJmol-1,ΔS=-40.2Jk-1mol-1upto what temperature is the forward reaction spontaneous?

Options:

Answer:
C
Solution:

For spontaneous process,

ΔG=ΔH-TΔS(should be negative)

∴T>ΔHΔS,T>-49×1000-40.2,

T>1219 K, i.e., 946°C

Stream:NTA_ABHYAS_NEETSubject:ChemistryTopic:Thermodynamics - ISubtopic:First law of Thermodynamics
⏱ 2mℹ️ Source: PYQ_2020

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