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Byju's Answer
Standard XII
Chemistry
Introduction
Vitamin - B 1...
Question
Vitamin
−
B
12
contains:
A
Fe(I)
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B
Co(III)
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C
Zn(II)
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D
Ca(II)
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Solution
The correct option is
B
Co(III)
Vitamin
B
12
also know as cobalamin, contains
C
o
3
+
ion.
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