A) Fe
B) Mg
C) Ni
D) Cu
Correct Answer: B
Solution :
The core metal of chlorophyll is Mg to which four pyrol rings are attached the chemical formulla of chlo-a and chlo-b is as follows : Chlorophyll-a \[{{C}_{55}}{{H}_{72}}{{O}_{5}}{{N}_{4}}Mg\] Chlorophyll-b \[{{C}_{55}}{{H}_{70}}{{O}_{6}}{{N}_{4}}Mg.\]
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