JEE Main & Advanced Chemistry Thermodynamics / रासायनिक उष्मागतिकी Question Bank Topic Test - Thermodynamics and Thermochemistry (8-5-21)

  • question_answer
    The following thermochemical reactions are given
    \[M+\frac{1}{2}{{O}_{2}}\,\,\to \,\,MO+351.4\,kJ\]
    \[X+\frac{1}{2}{{O}_{2}}\,\,\to \,\,XO+90.8\,kJ\]
    It follows that the heat of reaction for the following process \[M+XO\] \[\rightleftharpoons \] \[MO+X\] is given by          

    A) 422.2 kJ

    B) 268.7 kJ.

    C) - 442.2 kJ

    D) 260.6 kJ            

    Correct Answer: D

    Solution :

    [d] By (i) - (ii) and find required result.


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