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Question:

The number of geometric isomers that can exist for square planar [Pt(Cl)(py)(NH3)(NH2OH)]+ is:

3

4

6

2

Solution:

[Pt(Cl)(py)(NH3)(NH2OH)]+ is a square planar complex. The structure is formed by fixing a group and then arranging all the other groups. Hence, this complex shows three geometrical isomers. The correct answer is option B.