Textbook Q 5I.13c

[Ivy Nguyen 3I]

The question is pictured below. In part c, the answer is that Cl2 is more stable but I am not sure why? Does a higher K mean that something is more stable?

[Rhea Desai 1A]

At 1000 K, the table 5G.2 says that F2 has a K that is higher than Cl2 at 1000 K. This means that the F2 dissociates more, meaning that it is less stable as F2. Since the K for Cl2 is lower, it means less dissociates because Cl2 is already stable as it is.

[Allison Li 2F]

Yes, a higher equilibrium constant means more dissociation, which means less stability. Because Cl2's K is smaller than F2, it dissociates less and is more stable.