BCECE Engineering BCECE Engineering Solved Paper-2005

  • question_answer
    Which of the following is always negative for exothermic reaction?

    A) \[\Delta H\]                                       

    B) \[\Delta S\]

    C) \[\Delta G\]                       

    D)        None of these

    Correct Answer: A

    Solution :

    Key Idea: The reaction in which heat is evolved is called exothermic reaction. For exothermic reaction \[{{H}_{R}}>{{H}_{P}}\] (Where \[{{H}_{R}}=\]Heat content of reactant \[{{H}_{p}}=\]Heat content of product. \[\therefore \] \[\Delta H\]is always negative.


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