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Banking Chemistry Some Important Man-Made Materials Question Bank Some Important Man-Made Materials

  • question_answer
    Which one of the following contains cobalt?

    A)  Riboflavin                    

    B)  Vitamin \[{{B}_{12}}\]  

    C)  Vitamin A           

    D)         Vitamin \[{{B}_{6}}\]

    Correct Answer: B

    Solution :

     Vitamin \[{{B}_{12}}\] (Cyanocobal amines): Cobalamine has by far the most complicated structure of all the vitamins. It has cobalt atom in the centre. It also has - CN groups in its structure. It is a pink coloured crystalline, water soluble vitamin.


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