JEE MAIN - Chemistry (2004 - No. 50)
Coordination compound have great importance in biological systems. In this context which of
the following statements is incorrect?
Chlorophylls are green pigments in plants and contains calcium
Carboxypeptidase – A is an enzyme and contains zinc
Cyanocobalamin is B12 and contains cobalt
Haemoglobin is the red pigment of blood and contains iron
Giải thích
The chlorophyll molecule plays an important role in photosynthesis, contain porphyrin ring and the metal $$Mg$$ not $$Ca.$$