Chelate Effect. The equilibrium constant for the following reaction conducted at 298 K lies far to the right; it is Keq = 5 x 10¹0 M³. The enthalpy of reaction is AH° = -2.9 kcal/mol. Calculate AGⓇ and AS°. Why are the products are favored in this reaction? What term is used to describe this favorability? (note: en = the multi-dentate ligand ethylenediamine, H₂NCH₂CH₂NH₂). [Ni(NH3)]²+ + 3en [Ni(en)]²+ + 6NH3

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Organometallic compounds of d-block elements

The transition metals can form complexes since they have vacant d orbitals. They are also termed Coordination compounds. The organometallic compounds of the transition metals could be used as catalysts as well as reagents. For example, organocadmium, organozinc, organocopper, Grignard are used as the reagents for several reactions. Most of the complexes of organo transition metals are used as catalysts for many organic transformation reactions.