Chlorophyll is a naturally occurring chelate compound in which central metal is
Correct answer: B. magnesium
- A. copper
- B. magnesium
- C. iron
- D. None of these
Explanation
Chlorophyll is a chelate in which a magnesium ion is held at the centre of a large porphyrin-like ring. Students may choose iron because iron is central in haemoglobin, but haemoglobin and chlorophyll contain different central metals.
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