JEE Main Chemistry question

Heat of formation of a compound is defined as

(A)Heat evolved to form one mole of the compound from its elementsCorrect
(B)Heat required to form one molecule of a compound
(C)Change in heat content of the system when one molecule of a compound is formed
(D)None of the above

Answer: (A)

Solution

The standard heat of formation is the enthalpy change per mole of compound formed from its constituent elements in their standard states; of the

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Question ID VK-135291