Q5
Chlorophyll is a naturally occurring chelate compound in which central metal is
A.
Copper
B.
Magnesium
AnswerC.
Iron
D.
Calcium
Answer: Option B
Solution
Answer: Option B
Solution:
One such chelate is chlorophyll, the green pigment of plants. In chlorophyll the central ion is magnesium, and the large organic molecule is a porphyrin. The porphyrin contains four nitrogen atoms that form bonds to magnesium in a square planar arrangement.