MHT CET Chemistry question

Theoretical basis of Hess's law is [MH CET 2011]

(A)Kirchoff's law
(B)Law of conservation of energyCorrect
(C)Heat of ionization of strong acids and strong bases
(D)Variation in heat of reaction

Answer: (B)

Solution

Enthalpy is a state function, which follows from the first law (conservation of energy), so the total heat change is path independent; Kirchhoff's law deals with

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Question ID VK-064617