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CET Karnataka Engineering CET - Karnataka Engineering Solved Paper-2007

  • question_answer
    Considering the reaction \[C(s)+{{O}_{2}}(g)\] \[\xrightarrow{{}}C{{O}_{2}}(g)+393.5\,kJ\] the signs of \[\Delta H,\,\,\Delta S\] and \[\Delta G\] respectively are

    A)  \[+,-,-\]                              

    B)  \[-,+,+\]

    C)  \[-,-,-\]                               

    D)  \[-,+,-\]

    Correct Answer: D

    Solution :

    \[\Delta H=-ve\] (combustion reaction)  \[\Delta S=-ve\] (spontaneous at all temperature) \[\Delta G=-ve\] (because reaction is spontaneous)


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