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Name the following coordination entities and draw the structures of their stereoisomers : (i) [Co(en)_(2)Cl_(2)]^(+) (en = ethane-1,2-diamine (ii) [Cr(C_(2)O_(4))_(3)]^(3-) (iii) [ Co(NH_(3))_(3)Cl_(3)] (Atomic number Cr = 24 ,Co = 27) |
Answer» Solution :(i) Dichloridobis (ethan-1,2 DIAMINE) cobalt (iii) ion `[Co(en)_(2)cl_(2)]^(+)`  It may notbe out of place to mention here that only cis isomer will show optical activity WHEREAS the trans isomer is optically inactive . (ii) `[Cr(C_(2)O_(4))_(3)]^(3-)`- Trioxalato CHROMATE (iii) ion  (iii) [`Co(NH_(3))_(3)Cl_(3)]`. Triamintrichlorido cobalt (iii)  These complexes of the type `MA_(4)X_(2) , MA_(3)X_(3) , MA_(4)XY` EXISTS as cis and trans isomers. |
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