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KCET2007ChemistryBiomolecules

A metal present in vitamin B₁₂ is

Options

  1. Aaluminium
  2. Bzinc
  3. Ciron
  4. Dcobalt

Correct answer

D. cobalt

Step-by-step solution

Vitamin B ₁₂ contains cobalt metal. The chemical name of vitamin B₁₂ is cyanocobalamin.

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