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Chhattisgarh PMT Chhattisgarh PMT Solved Paper-2005

  • question_answer
    For the homogeneous gas reaction, \[4N{{H}_{3}}+5{{O}_{2}}\rightleftharpoons 4NO+6{{H}_{2}}O\] the equilibrium constant \[{{K}_{c}},\] has the dimension of

    A)  \[conc{{.}^{+10}}\]

    B)  \[conc{{.}^{+1}}\]

    C)  \[conc{{.}^{-1}}\]

    D)  it is dimensionless

    Correct Answer: B

    Solution :

    \[4N{{H}_{3}}(g)+5{{O}_{2}}(g)\rightleftharpoons 4NO(g)+6{{H}_{2}}O(l)\] \[{{K}_{c}}=\frac{{{[NO]}^{4}}{{[{{H}_{2}}O]}^{6}}]}{{{[N{{H}_{3}}]}^{4}}{{[{{O}_{2}}]}^{5}}]}\] Units of \[{{K}_{c}}\] is \[{{(conc.)}^{+1}}\]


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