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

  • question_answer
    The following is (are) endothermic reaction         [IIT  JEE 1999]

    A)                 Combustion of methane

    B)                 Decomposition of water

    C)                 Dehydrogenation of ethane to ethylene

    D)                 Conversion of graphite to diamond

    Correct Answer: B

    Solution :

                    (b,c,d) are endothermic reactions because they  proceeds by the absorption of heat.


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