For the Reaction PCl₅(g)→ PCl₃(g)+ Cl₂(g)at 298 K,K_eq = 1

Multiple Choice

For the reaction PCl₅(g) → PCl₃(g) + Cl₂(g) at 298 K,K_eq = 1.87 × 10^-7,what is Δ_rG ° 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