Chemistry - Thermodynamics - II Question with Solution | TestHub

ChemistryThermodynamics - IIAdiabatic Process/PolytropicMedium2 minPYQ_2020
ChemistryMediumsingle choice

Which of the following pairs of a chemical reaction is certain to result in a spontaneous reaction?

Options:

Answer:
A
Solution:

ΔG < 0.As per Gibbs Helmholtz equation,
ΔG = ΔH−TΔS
Thus ΔGis –ve only
When ΔH = −ve(exothermic)
and ΔS = +ve(increasing disorder)
This reaction will be spontaneous at all Temperatures.

Stream:NTA_ABHYASSubject:ChemistryTopic:Thermodynamics - IISubtopic:Adiabatic Process/Polytropic
⏱ 2mℹ️ Source: PYQ_2020

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