For the Reaction PCl₅(g) → PCl₃(g) + Cl₂(g) at 298

Multiple Choice

For the reaction PCl₅(g) → PCl₃(g) + Cl₂(g) at 298 K, Keq = 1.87 × 10^-7, ΔS° = 1.8192 J/(mol ∙K) , what is ΔG° and is the reaction spontaneous?

A) 3.84 × 10⁴ kJ/mol, no
B) 7.68 kJ/mol, no
C) -7.68 kJ/mol, yes
D) 38.4 kJ/mol, no
E) -38.4 kJ/mol, yes