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

  • question_answer
    Conversion of oxygen to ozone represented by the equation \[3{{O}_{2}}\to 2{{O}_{3}}\] is an endothermic reaction. Enthalpy change \[\Delta H\] accompanying the reaction              [KCET 1988, 92]

    A)                 Is negative         

    B)                 Is positive

    C)                 Is zero  

    D)                 Depends on temperature

    Correct Answer: B

    Solution :

              For endothermic reaction, \[\Delta H=+ve\].


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