Multiple choice

Geometrical isomerism is exhibited by

  1. [Zn(NH3)2Cl2]

  2. [Co(NH3)6]3+

  3. [Pt(NH3)2Cl2]

  4. [Ni(CN)4]2-

  5. All of the above
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C Correct answer
Explanation

[Pt(NH3)2Cl2] is a heteroleptic square planar complex of Ma2b2 type. In a square planar complex of formula [Ma2b2], the two similar ligands may be arranged adjacent to each other in a cis isomer or opposite to each other in a trans isomer.

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