Given the Following Information,calculate ΔH° (In Kcal Mol^-1)for

Multiple Choice

Given the following information,calculate ΔH° (in kcal mol^-1) for:
Cl(g) + e^- → Cl^-(g)

A) + 83 kcal mol^-1
B) -83 kcal mol^-1
C) 161 kcal mol^-1
D) -112 kcal mol^-1
E) 190 kcal mol^-1