Molecular formula of chlorophyll 'a' molecule is___________?
Correct answer: A. C55H72O5N4Mg
- A. C55H72O5N4Mg
- B. C55H70O6N4Mg
- C. C50H72O6N4Mg
- D. C55H70O5N4Mg
Explanation
Chlorophyll a has the molecular formula C55H72O5N4Mg, containing a magnesium atom at the centre of its porphyrin-like ring. The likely alternative is chlorophyll b's formula, C55H70O6N4Mg, because it differs by a substituted side group, but that is not the formula of chlorophyll a.
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