Question

Indicate the complex ion which shows geometrical isomerism.
(a) [Cr(H₂O)₄Cl₂]⁺
(b) [Pt(NH₃)₃Cl]³⁻
(c) [Co(NH₃)₆]³⁻
(d) [Co(CN)₅(NC)]³⁻

Answer 1

A metal-containing ring like that shown is called a chelate ... more stable than the corresponding complexes of ... this increase in stability is called the chelate effect

Answer 2

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ans

Option.A

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