Indicate the complex ion

Question:

Indicate the complex ion which shows geometrical isomerism.

(i) [Cr(H2O)4Cl2]+

(ii) [Pt(NH3)3 Cl]

(iii) [Co(NH3)6]3+

(iv) [Co(CN)5(NC)]3–

Solution:

Option (i) [Cr(H2O)4Cl2]+ is the answer.

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