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

  • question_answer
    An exothermic reaction is one in which the reacting substances [CPMT 1974, 79; Bihar MEE 1982;  KCET 1992; JIPMER 2001]

    A)                 Have more energy than the products

    B)                 Have less energy than the products

    C)                 Are at a higher temperature than the product

    D)                 None of the above

    Correct Answer: A

    Solution :

           For exothermic reactions \[{{H}_{p}}<{{H}_{R}}\].                                 For endothermic reactions \[{{H}_{p}}>{{H}_{R}}\].


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