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JEE Main & Advanced Chemistry Thermodynamics / रासायनिक उष्मागतिकी Question Bank Heat of reaction

  • question_answer
    Heat of formation in the reaction                 \[{{H}_{2}}+C{{l}_{2}}\to 2HCl+44\,kcal\] is           [MP PMT 1995]

    A)                 44  kcal

    B)                 44000  kcal

    C)                 22 kcal 

    D)                 11 kcal

    Correct Answer: C

    Solution :

              \[\Delta {{H}_{f}}=\frac{44}{2}kcal=22\,\,kcal\].


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