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Which of the following coordination compounds would exhibit optical isomerism ?

Options

  1. APentaamminenitrocobalt (III) iodide
  2. BDiamminedichloroplatinum (II)
  3. CTrans-dicyanobis (ethylenediamine) chromium (III) chloride
  4. DTris-(ethylenediamine) cobalt (III) bromide

Correct answer

D. Tris-(ethylenediamine) cobalt (III) bromide

Step-by-step solution

M a 5 b + n → no orbital activity M a 2 b 2 + n → plane of symmetry trans- M AA 2 b 2 + n → plane of symmetry Enantiomers exist in M AA 3 + n

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