Question

He metal ion present in vitamin B¹² is

1) nickel
2) cobalt
3) Zinc
4) iron​

Answer 1

Answer:

hello mate

Explanation:

Vitamin B12 is also referred to as cobalamin, because it contains a metal ion (cobalt). This makes it the largest and most complex vitamin of all. The vitamin can only be synthesized by bacteria and therefore is mainly present in animal products.

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