RAJASTHAN PMT Rajasthan - PMT Solved Paper-2009

  • question_answer
    In the equilibrium reaction\[2HI(g){{H}_{2}}+{{I}_{3}}\]which of the following expressions is true?

    A) \[{{K}_{p}}={{K}_{c}}\]  

    B) \[{{K}_{c}}=2{{K}_{p}}\]               

    C) \[{{K}_{p}}>{{K}_{c}}\]  

    D)        \[{{K}_{c}}={{K}_{p}}{{(RT)}^{2}}\]

    Correct Answer: A

    Solution :

                    \[2HI(g){{H}_{2}}+{{I}_{2}}\]                 \[\Delta n=2-2=0\] \[\because \]     \[{{K}_{p}}={{K}_{c}}{{(RT)}^{\Delta n}}\] \[\Rightarrow \]               \[{{K}_{p}}={{K}_{c}}{{(RT)}^{0}}\] \[\therefore \]  \[{{K}_{p}}={{K}_{c}}\]


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