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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

Mg

D

Pt

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MODERN PUBLICATION-COORDINATION COMPOUNDS-EXERCISE
  1. Namethe type of isomerism exhibited bythe following pair of isomers. [...

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  2. Write IUPAC name of :[Pt Cl(NO2) (NH3)4 SO4.

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

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  4. Which is present in metal carbonyls?

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  5. How many ions are given by [Co(NH3)5Br]Cl2 complex in water?

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  6. Express 2216 in roman numbers.

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  7. Express 2217 in roman numbers.

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  8. What type of isomerism is shown by the following complex , [Co(NH3)6][...

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  9. Namethe type of isomerism exhibited bythe following pair of isomers. [...

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  10. Express 2218 in roman numbers.

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  11. What is meant by coordination number ? Write the coordination number o...

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  12. How does valence bond theory account for : [Ni (CN4)](2-) is diamagn...

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  13. A metal ion M^(n+) having d^4 valence electronic configuration combine...

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  14. Calcium hydroxide is also called-

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  15. Express 2221 in roman numbers.

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  16. A metal ion M^(n+) having d^4 valence electronic configuration combine...

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  17. Express 2220 in roman numbers.

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  18. Explain as to how the two complexes of nickel, [Ni(CN)4]^(2-) and [Ni(...

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  19. For the complex [Fe(en)2Cl2]Cl, identify the following : Oxidation num...

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  20. Goldsmith dissolves gold in a special type of mixture called-

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