JEE Main & Advanced Sample Paper JEE Main Sample Paper-3

  • question_answer
    Which of the following reactions corresponds to the definition of enthalpy of formation?

    A)  C(diamond)\[+{{O}_{2}}(g)\to C{{O}_{2}}(g)\]

    B)  C(graphite)\[+{{O}_{2}}(l)\to C{{O}_{2}}(g)\]

    C)  C(graphite)\[+{{O}_{2}}(g)\to C{{O}_{2}}(g)\]

    D)  \[C(g)+{{O}_{2}}(g)\to C{{O}_{2}}(g)\]

    Correct Answer: C

    Solution :

     C (graphite) is the stable state of aggregation of carbon.


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