NEET Chemistry Chemistry in Everyday Life Questions Solved


Vitamin- B12 contains

1. Zn (II)

2. Ca (II)

3. Fe (II)

4. Co (II)

(d) The molecular formula of vitamin-B12 is C63H84 N14O14 PCO and the chemical name is cyanocobalamine. So, cobalt is present in vitamin-B12.

 

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