Magnesium : Metal found in chlorophyll - Science & Technology

Q.  Which of the following metals are found in chlorophyll ?
- Published on 07 Jun 15

a. Copper
b. Zinc
c. Magnesium
d. Cadmium

ANSWER: Magnesium
 
Chlorophyll has magnesium as its central metal ion, and the large organic molecule to which it bonds is known as a porphyrin. The porphyrin contains four nitrogen atoms bonded to the magnesium ion in a square planar arrangement.

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