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NEET Sample Paper NEET Sample Test Paper-37

  • question_answer
    For the reaction, \[C{{H}_{4}}(g)+2{{O}_{2}}(g)\rightleftharpoons C{{O}_{2}}(g)+2{{H}_{2}}O(l),\] \[{{\Delta }_{r}}H=-170.8\,kJ\,mo{{l}^{-1}}\] Which of the following statements is not true?

    A)  Addition of\[C{{H}_{4}}\left( g \right)\]or\[{{O}_{2}}(g)\]at equilibrium will cause a shift to the right

    B)  The reaction is exothermic

    C)  At equilibrium, the concentrations of\[C{{O}_{2}}(g)\]and \[{{H}_{2}}O(l)\]are not equal

    D)  The equilibrium constant for the reaction is given by: \[{{K}_{p}}=\frac{[C{{O}_{2}}]}{[C{{H}_{4}}][{{O}_{2}}]}\]

    Correct Answer: D

    Solution :

    \[{{K}_{p}}\]of the reaction is: \[{{K}_{p}}=\frac{\left( P_{C{{O}_{2}}}^{'} \right)}{\left( p_{C{{H}_{4}}}^{'} \right)\left( P_{{{O}_{2}}}^{'} \right)}\]


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