JEE Main & Advanced Chemistry Thermodynamics / रासायनिक उष्मागतिकी Question Bank Heat of reaction

  • question_answer
    Which of the following statements is correct about heat  of combustion                [MADT Bihar 1982]

    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

    Correct Answer: C

    Solution :

              \[\Delta {{H}_{\text{combusion}}}\] = ?ve, so exothermic process.


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