A) \[400\,\,K\]
B) \[500\,\,K\]
C) \[273\,\,K\]
D) \[373\,\,K\]
Correct Answer: B
Solution :
\[X(g)+3Y(g)2Z(g)\] \[\Delta {{S}^{o}}=2{{S}^{o}}(Z)-\{{{S}^{o}}(X)+3{{S}^{o}}(Y)\}\] \[=2\times 50-\{60+3\times 40\}\] \[=100-180=-80\,\,J\,\,{{K}^{-1}}\,\,mo{{l}^{-1}}\] \[\Delta G=\Delta H-T\Delta S\] At equilibrium, \[\Delta G=0\] \[\therefore \] \[\Delta H=T\Delta S\] \[T=\frac{\Delta H}{\Delta S}\] \[=\frac{-40\times {{10}^{3}}J}{-80J{{K}^{-1}}mo{{l}^{-1}}}\] \[=500K\]You need to login to perform this action.
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