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CH1012
RELEVANCE
• A number of coordination complexes are used for important industrial and medical applications   cis-Pt(NH3)2Cl2
     eg cisplatin  is
used in chemotherapy. 
• Metal complexes are also
found in biology:
1) chlorophyll, 2) hemoglobin,
3) carbonic anhydrase & 4) vitamin B12 :
1) magnesium, 2) iron, 3) zinc &  4) cobalt
coordination complexes.