JCECE Engineering JCECE Engineering Solved Paper-2004

  • question_answer
    Which of the following is true for the reaction\[CO(g)+\frac{1}{2}{{O}_{2}}(g)C{{O}_{2}}(g)\]

    A) \[{{K}_{p}}>{{K}_{c}}\]                  

    B) \[{{K}_{p}}<{{K}_{c}}\]

    C) \[{{K}_{p}}={{K}_{c}}\]                  

    D)  \[{{K}_{p}}\ge {{K}_{c}}\]

    Correct Answer: B

    Solution :

    Key Idea:                 \[{{K}_{p}}={{K}_{c}}{{(RT)}^{\Delta n}}\]                 \[CO(g)+\frac{1}{2}{{O}_{2}}(g)\xrightarrow{{}}C{{O}_{2}}(g)\]                 \[\Delta N=1-1\frac{1}{2}\]                        \[=-\frac{1}{2}\] \[\therefore \]  \[{{K}_{p}}={{K}_{c}}{{(RT)}^{-1/2}}\] \[\therefore \]  \[{{K}_{c}}<{{K}_{p}}\]


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