Q. Coordination compounds have great importance in biological systems. In this context which of the following statement is incorrect?
A) Chlorophyll is green pigment in plants and contain calcium.
B) Haemoglobin is the red pigment of blood and contains iron.
C) Cyanocobalamin is vitamin $B_{12}$ and contains cobalt.
D) Carboxypeptidase-A is an enzyme and contains zinc.
Explanation
(a)
Chlorophyll contains $Mg$, hence (a) is incorrect statement.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.