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NEET Sample Paper NEET Sample Test Paper-32

  • question_answer
    Reaction \[A+B\xrightarrow{{}}C+D+38\]kcal has activation energy 20 kcal. Activation energy for the reaction \[C+D\xrightarrow{{}}A+B\]is :-

    A)  28 kcal            

    B)  -20 kcal

    C)  18 kcal            

    D)  58 kcal

    Correct Answer: D

    Solution :

    \[\Delta H=({{E}_{a}}){{\,}_{forward}}-{{({{E}_{a}})}_{backward}}\] \[\Rightarrow \] \[{{({{E}_{a}})}_{backward}}=20-(-38)=58\,kcal\]


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