Question

Which of the following statement is incorrect regarding the importance of coordination compounds in biological system ?

• A. Vitamin $B_{12}$ used to prevent anaemia is a complex compound of cobalt.
• B. Haemoglobin is the red pigment of blood and contains iron.
• C. Chlorophyll is the green pigment of plants and contains zinc.
• D. All are correct

Answer 1

Answer: (C)

Chlorophyll is the green pigment of plants and contains zinc.

Answer 2

Chlorophyll contains magnesium.