Question:
The metal atom present in Vitamin B12 is
The metal atom present in Vitamin B12 is
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Vitamin B12 = Cobalamin = COBALT.
Updated On: May 14, 2026
- Cobalt
- Mercury
- Iron
- Nickel
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The Correct Option is A
Solution and Explanation
Step 1: Concept
Vitamin B12, also known as cobalamin, is a complex water-soluble vitamin required for DNA synthesis and nerve function.
Step 2: Meaning
It belongs to a class of organometallic compounds where a central metal ion is coordinated by a corrin ring.
Step 3: Analysis
The central metal ion in cobalamin is Cobalt (Co). Iron is found in hemoglobin; Mercury is toxic and not a vitamin component.
Step 4: Conclusion
Cobalt is the metal in Vitamin B12. Final Answer: (A)
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