Which One of the Following Complex Ions Has an Optical

question 27

Multiple Choice

Which one of the following complex ions has an optical isomer?

• A) [Cu(CN)₄]^2-
• B) [Zn(phen)₂]²⁺
• C) [Zn(NH₃)₂en]²⁺
• D) [Co(H₂O)₄en]²⁺
• E) [Ni(en)₃]²⁺

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