36. Which of the following complexes shows geometric isomerism?
(A) [Co(H₂O)₅Cl]SO₄ ;
(B) [Co(H₂O)₆]Cl₃ ;
(C) [Co(H₂O)₅Cl]Cl₂ ;
(D) K[Co(H₂O)₂Cl₄];
(E) Na₃ [CoC1₆]

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