Question

Vitamin $-B_{12}$ contains :

• A. $C{o}^{3+}$
• B. $Z{n}^{2+}$
• C. $C{a}^{2+}$
• D. $F{e}^{2+}$

Answer 1

The correct option is A $C{o}^{3+}$

Vitamin $B_{12}$ is a water-soluble vitamin that is naturally present in some foods, added to others, and available as a dietary supplement and a prescription medication. Vitamin $B_{12}$ exists in several forms and contains the mineral cobalt so compounds with vitamin $B_{12}$ activity are collectively called “cobalamins”.