All of the following substances have a standard free energy of zero EXCEPT?

All of the following substances have a standard free energy of zero EXCEPT





a.Hg(λ).


b.Cl2(g).


c.Br2(λ).


d.I2(g).


e.S8(s).

All of the following substances have a standard free energy of zero EXCEPT?
I believe the answer is:





e.S8.