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Chemistry - Thermodynamics - II Question with Solution | TestHub

ChemistryThermodynamics - IIDS in chemical reactionMedium2 minPYQ_2017
ChemistryMediummultiple choice

For a reaction taking place in a container in equilibrium with its surroundings, the effect of temperature on its equilibrium constantKin terms of change in entropy is described by:

Options:(select one or more)

Answer:
B, C
Solution:

ΔSsurrounding=-qprocessTsurrounding

If ΔH>0, on increasing temperature, Kequilibrium also increase, so ΔSsurrounding<0 (Surrounding is unfavourable).

If ΔH<0, on increasing temperature Kequilibrium, decreases, so ΔSsurrounding>0 (Surrounding is favourable).

Stream:JEE_ADVSubject:ChemistryTopic:Thermodynamics - IISubtopic:DS in chemical reaction
2mℹ️ Source: PYQ_2017

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