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Question

Vitamin B12 contains metal


[Bihar MEE 1997; RPET 1999; Pb. PMT 1999; AFMC 2002;

CBSE PMT 2003; CPMT 2003; MP PMT 2003]



A

Ca (II)

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B

Zn (II)

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C

Fe (II)

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D

Co (III)

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Solution

The correct option is D

Co (III)


CO (III) Transition metal is present in vitamin B12.


Chemistry

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