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JEE Main & Advanced Chemistry Equilibrium / साम्यावस्था Question Bank Kp and Kc Relationship and Characteristics of K

  • question_answer
    The value of \[{{K}_{p}}\] for the following reaction \[2{{H}_{2}}S(g)\]⇌\[2{{H}_{2}}(g)+{{S}_{2}}(g)\] is \[1.2\times {{10}^{-2}}\] at \[{{106.5}^{o}}C\]. The value of \[{{K}_{c}}\] for this reaction is [EAMCET 1997; AIIMS 1999; AFMC 2000; KCET 2001]

    A)                 \[1.2\times {{10}^{-2}}\]              

    B)                 \[<1.2\times {{10}^{-2}}\]

    C)                 83          

    D)                 \[>1.2\times {{10}^{-2}}\]

    Correct Answer: B

    Solution :

             \[{{K}_{p}}={{K}_{c}}{{(RT)}^{\Delta n}}\]; \[\Delta n=1\]                                 So \[{{K}_{c}}\]will be less than \[{{K}_{p}}\].


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