The molecular formula of chlorophyll b is:
Correct answer: A. C55H70O6N4Mg
- A. C55H70O6N4Mg
- B. C70H55O11N5Mg4
- C. C14H55O6N5Mg3
- D. C55H76O5N6Mg2
Explanation
The correct molecular formula of chlorophyll b is C55H70O6N4Mg. This formula indicates the presence of 55 carbon atoms, 70 hydrogen atoms, 6 oxygen atoms, 4 nitrogen atoms, and 1 magnesium atom. Option A is correct because it aligns with this molecular formula. Options B, C, and D have incorrect combinations of elements and quantities, making them incorrect choices for the molecular formula of chlorophyll b.
This question appeared on the ETEA MDCAT 2009 paper, which you can sit online with every answer explained.
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