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which metal is present in vitamin B(12) ...

which metal is present in vitamin `B_(12)` or cyanocobalamin?

A

Fe

B

Co

C

Ni

D

Na

Text Solution

Verified by Experts

The correct Answer is:
B
Cobalt is present in Vitamin `B_12`
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OMEGA PUBLICATION-THE D- AND F-BLOCK ELEMENTS-MULTIPLE CHOICE QUESTIONS
  1. Within each transition series, the oxidation states

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  2. Which forms interstitial compounds ?

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  3. Which of the following compounds is not coloured?

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  4. A transition element X-has a configuration [Ar]3d^4 in its +3 oxidati...

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  5. Which of the following contains the maximum number of unpaired electro...

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  6. The maximum magnetic moment is shown by the ion with electronic config...

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  7. which metal is present in vitamin B(12) or cyanocobalamin?

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  8. Which of the two have almost similar size ?

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  9. Which of the following shows ferromagnetism?

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  10. Which of the following is not a d-block element?

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  11. The transition elements have a general electronic configuration of

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  12. The correct ground state electronic configuration of chromium atom (Z...

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  13. Which of the following elements is alloyed with copper to form brass?

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  14. Argentite is an ore of

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  15. The inner transition elements are the elements in which the added elec...

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  16. Transition elements

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  17. Paramagnetism is a property of

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  18. Which of the following transition element exhibit the oxidation state ...

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  19. Which forms interstitial compounds ?

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  20. which metal is present in vitamin B(12) or cyanocobalamin?

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