STANDARDChemistry-Thermodynamics
STANDARD Chemistry Enthalpy Changes MCQ Question
Type: MCQ-conceptual-Medium-Class 11
Which of the following relationship is not correct?
A
H = ΔU + ΔngRT
B
Hsub = ΔHfusion + ΔHvap
C
Hr° = ΣHf°(Reactants) – Σ Hf°(products)
D
Hr° = Σ B.E. of reactants – Σ B.E. of products
Correct Answer
Option C
Detailed Explanation
Hr = ΣHf°(products) – ΣHf°(reactants) is the correct relationship for enthalpy of reaction.
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