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JIPMER Jipmer Medical Solved Paper-1998

  • question_answer
    If a is the degree of dissociation of \[PC{{l}_{5}}\]at equilibrium for the reaction, \[PC{{l}_{5}}\rightleftharpoons PC{{l}_{3}}+C{{l}_{2}}\] The total number of moles at equilibrium:

    A)  \[1\]                    

    B)         \[1-\alpha \]     

    C)         \[1+\alpha \]    

    D)         \[3\]

    Correct Answer: C

    Solution :

    \[\begin{matrix}    {} & PC{{l}_{5}}\rightleftharpoons  & PC{{l}_{3}}+ & C{{l}_{2}}  \\    {} & 1 & 0 & 0  \\    \text{At}\,\,\text{equilibrium} & (1-\alpha ) & \alpha  & \alpha   \\ \end{matrix}\] Hence, total number of moles \[=1-\alpha +\alpha +\alpha =(1+\alpha )\]


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