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Which of the following coordination compounds has maximum number of isomers ?

Options

  1. APt NH 3 4 Cl 2 2+
  2. BPt gly 3 2 −
  3. CPt en 3 4+
  4. DPt NH 3 2 Cl 2

Correct answer

B. Pt gly 3 2 −

Step-by-step solution

Pt NH 3 4 Cl 2 2+ has 2 geometrical isomers. Pt gly 3 2 − will have 2 geometrical isomers, both of which will be optical active, giving a total of 4 isomers. Pt en 3 4+ will have no geometrical isomers, but the compound will be optically active, hence total two isomers. Pt NH 3 2 Cl 2 will have two geometrical isomers.

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