JEE Advanced 2014 Paper 1 Chemistry Q12

Chemistry · Covalent Bonding & Molecular Structure · Coordination Chemistry: Structure & Bonding · Atomic Structure & Bonding Basics

Problem

A list of species having the formula XZX4\ce{XZ4} is given below. XeFX4\ce{XeF4}, SFX4\ce{SF4}, SiFX4\ce{SiF4}, BFX4X−\ce{BF4^-}, BrFX4X−\ce{BrF4^-}, [Cu(NHX3)X4]X2+\ce{[Cu(NH3)4]^2+}, [FeClX4]X2−\ce{[FeCl4]^2-}, [CoClX4]X2−\ce{[CoCl4]^2-} and [PtClX4]X2−\ce{[PtCl4]^2-}. Defining shape on the basis of the location of X and Z atoms, the total number of species having a square planar shape is

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