Question
Chemistry Question on light-dependent reactions
The core metal of chlorophyll is
A
Ni
B
Cu
C
Fe
D
Mg.
Answer
Mg.
Explanation
Solution
The empirical formula of chlorophyll molecule is CH04Mg. It has tadpole like configuration. It is consisted of a porphyrin head and a phytol tail. Porphyrin is a cyclic tetrapyrol structure, having a magnesium atom in the centre. Chlorophyll a methyl group (CH is attached to the third carbon in the porphyrin head.