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Q.
Zeise's salt is
J & K CETJ & K CET 2011Coordination Compounds
Solution:
Zeise's salt is a complex of platinum and ethene. $PtCl _{3}\left( C _{2} H _{4}\right)^{-}$,
in which the $Pt$ coordinates to the $Pi$ bond of the ethene.
Hence, Zeise's salt is $K \left[ PtCl _{3}\left( C _{2} H _{4}\right)\right]$.