chem problem need help please?

Question

polydentate ligands result in more stable complex ions
then do monodentate ligands



An example of formation equilibrium for a complex ion in solution is:

Al3+ + 6F− ↔ [AlF6]3− Kf = 5.0 × 10−3



ΔG = −RT ln( Kf )



remember, the more negative the value the of ΔG the more stable
are the products of reaction that are formed




Which of the following are true statements ?



a) en stands for ethylenediamine, a bidentate ligand


b) The subscript f in Kf stands for 'free energy'


c) A very small value of Kf for a chemical reaction in which a coordination complex
is a product would indicate that the complex formed is a relatively stable one


d) A very large value of Kf for a chemical reaction in which a coordination complex
is a product would indicate a relatively small decrease in Gibbs free energy

Answer 1

a) true

b) false

c) false

d) false

Answer 2

2HF + O2. I might be wrong.