At 298 ,K, the reaction has . Which statement best describes the magnitude of its…

CHEMISTRY · Single correct · A Level · Chemistry · Thermodynamics · Thermodynamics

Problem

At 298\,K, the reaction

\text{A}_2 + \text{B}_2 \rightarrow 2\,\text{AB}

has

\Delta G^{\circ} = +24.0\,\text{kJ mol}^{-1}

. Which statement best describes the magnitude of its equilibrium constant

K

at this temperature? (a)

K \gg 1

(much greater than 1) (b)

K \ll 1

(much less than 1) (c)

K \approx 1

(d)

K = 0