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Question: Answered & Verified by Expert
A metal present in vitamin $B_{12}$ is
ChemistryBiomoleculesKCETKCET 2007
Options:
  • A aluminium
  • B zinc
  • C iron
  • D cobalt
Solution:
1254 Upvotes Verified Answer
The correct answer is: cobalt
Vitamin $\mathrm{B}_{12}$ contains cobalt metal. The chemical name of vitamin $B_{12}$ is cyanocobalamin.

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