Nitric Oxide Reacts with Chlorine to Form NOCl $\to$ 2NOCl(g)

What Is the Value Of

Multiple Choice

Nitric oxide reacts with chlorine to form NOCl.The data refer to 298 K.
2NO(g) + Cl₂(g) $\to$ 2NOCl(g)

What is the value of $\Delta$ G° for this reaction at 550 K?

A) -143.76 kJ
B) -78.78 kJ
C) -22.24 kJ
D) -10.56 kJ
E) 66,600 kJ