Which of the following complexes will shows geometrical isomerism ?
Show Hint
- aquachlorobis (ethylenediamine) cobalt (II) chloride
- pentaaquachlorohromium (III) chloride
- potassium amminetrichloropltinate (II)
- potassium tris(oxalato) chromate (III)
The Correct Option is A
Solution and Explanation
(2) Pentaaquachlorochromium(III) chloride: type \(\mathrm{[Ma_5b]}\), only one arrangement.
(3) Potassium amminetrichloroplatinate(II): square planar \(\mathrm{[MAB_3]}\), only one arrangement.
(4) Potassium tris(oxalato)chromate(III): type \(\mathrm{[M(AA)_3]}\), shows only optical isomerism.
Answer: (1) aquachlorobis (ethylenediamine) cobalt (II) chloride
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