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JEE Main & Advanced Sample Paper JEE Main Sample Paper-22

  • question_answer
    The activation energy of the forward and reverse reaction are 30.5 and 45.4 kJ \[mo{{l}^{-1}}\]respectively. The reaction is :

    A)  Exothermic

    B)  Endothermic

    C)  Neither exothermic nor endothermic

    D)  May be any of these

    Correct Answer: A

    Solution :

    \[\Delta H\,={{E}_{a}}-{{E}_{b}}\]       \[=30.5\,-45.4\]  \[=-ve\]


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