JEE Main 2004Annual, Paper 1ChemistryEasyCoordination Compounds198× since 2002Coordination compound have great importance in biological systems. In this context which of the following statements is incorrect?AOption A. Chlorophylls are green pigments in plants and contains calciumBOption B. Carboxypeptidase – A is an enzyme and contains zincCOption C. Cyanocobalamin is B₁₂ and contains cobaltDOption D. Haemoglobin is the red pigment of blood and contains ironCheckSkip · show solution
