When pure sodium is placed in an atmosphere of chlorine gas, the following spontaneous reaction occurs:
2Na(s) + Cl2(g) + 2NaCl(s)
Which of the following statements is true about the above reaction?
I. ΔS>0 II. ΔH<0 III. ΔG>0
a. I only
b. II only
c. I and II
d. II and III