MCQ
Which element is not present in chlorophyll?
- ACarbon
- BCalcium
- CMagnesium
- DHydrogen
✓
Answer
- Calcium
Explanation:
In chlorophyll the central ion is magnesium, and the large organic molecule is a porphyrin. The porphyrin contains four nitrogen atoms that form bonds to magnesium in a square planar arrangement. There are several forms of chlorophyll.
So, an element not present in chlorophyll is calcium.
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