Chemistry - Thermochemistry Question with Solution | TestHub

ChemistryThermochemistryEnthalpy of ReactionEasy2 minPYQ_2020
ChemistryEasysingle choice

Which of the reactions definesΔfH°?

Options:

Answer:
B
Solution:

standard heat of formation(ΔfH°)forCO2will be fromC(graphite)+O2→CO2asC(graphite)is the most stable form carbon.

Stream:NTA_ABHYAS_NEETSubject:ChemistryTopic:ThermochemistrySubtopic:Enthalpy of Reaction
⏱ 2mℹ️ Source: PYQ_2020

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