Question

what is zeis's salt?

Answer 1

Zeise's salt, potassium trichloroplatinate(II), is the chemical compound with the formula K[PtCl3] ... The salt is of historical importance in the area of organometallic chemistry as one of the first examples of a transition metal alkene complex and is named for its discoverer, William Christopher Zeise

Answer 2

Zeise's salt, potassium trichloroplatinate(II), is the chemical compound with the formula K[PtCl₃]·H₂O. The anion of this air-stable, yellow, coordination complex contains an η²-ethylene ligand. The anion features a platinum atom with a square planar geometry