Multiple choice

Which of the following is a pair of square planar complexes?

  1. [PtCl4]2- and [ZnCl4]2-

  2. [Ni(CN)4]2- and [CoCl4]2-

  3. [ZnCl4]2- and [Ni(CN)4]2-

  4. [CoCl4]2- and [PtCl4]2-

  5. [PtCl4]2- and [Ni(CN)4]2-
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

The d8 ions form square planar complexes with strong field ligands. For example [Ni(CN)4]2- . All the complexes of Pt(II) and Au(II) are square planar. For example [PtCl4]2- Thus, this option is correct.

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