Which of the following has a square planar geometry?
(a) [PtCl4]2– 

(b) [CoCl4]2–

(c) [FeCl4]2– 

(d) [NiCl4]2–.
(At. nos.: Fe = 26, Co = 27, Ni = 28, Pt = 78)

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1 Answers

(a) : In 4-coordinate complexes Pt, the four ligands are arranged about the central 2-valent platinum ion in a square planar configuration.

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