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

  • question_answer
    Which of the following is an endothermic reaction [EAMCET 1980; MP PMT 1980; IIT JEE 1989; JIPMER 2002]

    A)                 \[2{{H}_{2}}+{{O}_{2}}\to 2{{H}_{2}}O\]

    B)                 \[{{N}_{2}}+{{O}_{2}}\to 2NO\]

    C)                 \[2NaOH+{{H}_{2}}S{{O}_{4}}\to N{{a}_{2}}S{{O}_{4}}+2{{H}_{2}}O\]

    D)                 \[3{{O}_{2}}+{{C}_{2}}{{H}_{5}}OH\to 2C{{O}_{2}}+3{{H}_{2}}O\]

    Correct Answer: B

    Solution :


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