Chemical EquilibriumHard
Question
A reaction at 300 K with ΔGo = −1743 J consists of 3 moles of A(g), 6 moles of B(g) and 3 moles of C(g). If A, B and C are in equilibrium in 1 L container, then the reaction may be (ln 2 = 0.7, R = 8.3 J/K-mol)
Options
A.A + B$\rightleftharpoons$C
B.A$\rightleftharpoons$B + 2C
C.2A$\rightleftharpoons$B + C
D.A + B$\rightleftharpoons$2C
Solution
$\Delta G^{o} = - RT.\ln K_{P}^{o}$
⇒ –1743 = – 8.3 × 300 × ln KP°
∴ KP° = 2
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