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NEET Sample Paper NEET Sample Test Paper-73

  • question_answer
    \[\Delta G{}^\circ \left( HI, g \right) \cong  +1.7 kJ\]. What is the equilibrium constant at \[25{}^\circ C\] for\[2HI\,(g)\,\,\rightleftharpoons \,\,{{H}_{2}}(g)\,\,+\,\,{{I}_{2}}\,(g)\].

    A) 24.0                 

    B) 3.9              

    C) 2.0                               

    D) 0.5              

    Correct Answer: D

    Solution :

    \[\Delta G{}^\circ  = -2.303 \times  8.314 \times  1{{0}^{-3}}\times  298 \times  log\,\,{{K}_{p}}\] \[1.7 = -2.303 \times  8.341 \times  1{{0}^{-}}^{3}\times  298 \times  log\,\,{{K}_{p}}\]


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