For the next two questions use the belowinformation : polydentate ligands result
ID: 689740 • Letter: F
Question
For the next two questions use the belowinformation:polydentate ligands result in more stable complex ions then domonodentate ligands
An example of formation equilibrium for a complex ion in solutionis:
Al3+ + 6F [AlF6]3 K f = 5.0× 103
G = RT ln( K f )
Remember, the more negative the value the of G the morestable
are the products of reaction that are formed
Which of the following are true statements ?
a) en stands for ethylenediaminetetraacetate , a hexadentate ligandion
b) The subscript f in Kf stands forformation
c) A very small value of Kf for a chemicalreaction in which a coordination complex
is a product would indicate that the complex formed is a relativelystable one
d) A very large value of Kf for a chemicalreaction in which a coordination complex
is a product would indicate a relatively large decrease in Gibbsfree energy
Explanation / Answer
The following statements are true with respect to thecomplex compounds :
b) The subscript f in Kfstands for formation
d) A very large value of Kf for achemical reaction in which a coordination complex
is a product wouldindicate a relatively large decrease in Gibbs free energy.