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Vitamin B(12) is a complex of...

Vitamin `B_(12)` is a complex of

A

Cobalt

B

Cobalt (III)ion

C

Chromium (II) ion

D

Chromium (III) ion

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R G PUBLICATION-COORDINATION COMPOUNDS -EXERCISE
  1. Using valence bond theory, show that [Ni(CN)4]^(2-) complex is diamagn...

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  2. What are the ambidentate ligands? Give one suitable example of ambiden...

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  3. Vitamin B(12) is a complex of

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  4. The Geometry of complex is due to

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  5. EDTA is a

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  6. Which of the following facts about the complex [Cr(NH3)6] CI3 is wrong...

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  7. The geometic isomerism in a complex is arised due to presence of

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  8. The spin only magnetic moment of [Mn Br4]^(2-) is 5.9 BM. The geometry...

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  9. Which of the following isomeric pairs shows ionisation isomerism?

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  10. [Cu(H2O)4]^(2+) ion absorbs red colour during excitation. The emitted ...

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  11. One of the limitation of crystal field theory is that

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  12. Wilkinson Catalyst is used for

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  13. How CoCl3. 5NH3 is different from CoCl3. 4NH3.

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  14. What are primary valancy and secondary valancy of metal?

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  15. Give an example of unidentate and one poly dentate ligand with formul...

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  16. What is co-ordination number of square pyramidal and trigonal bipyrami...

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  17. Give one example of homoleptic & heteroleptic complex.

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  18. Write the IUPAC name of following com-plex [Co(H2NCH2CH2NH2)3]2 (SO4)3

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  19. Give an example of ambidentate ligand and mention the points of linkag...

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  20. Draw the isomer facial [Co(NH3)3CI3]

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