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Question: Answered & Verified by Expert
Which of the following statements is correct about the heat of combustion?
ChemistryThermodynamics (C)NEET
Options:
  • A It may be exothermic in some cases and endothermic in other cases
  • B It is applicable to gaseous substances only
  • C It is always an exothermic reaction
  • D Its value does not change with temperature
Solution:
1227 Upvotes Verified Answer
The correct answer is: It is always an exothermic reaction
Oxygen forms stronger bonds with the elements of the compound. Therefore, heat of combustion is always exothermic.

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