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Coordination compounds have great import...

Coordination compounds have great importance in biological system. In this context which of the following statements is incorrect ?

A

Cynacobalamin is `` and contains cobalt

B

Haemoglobin is the red pigment of blood and contains iron

C

Chlorophylls are green pigments in plants and contain calcium

D

Carbodypeptide-A is an enzyme and contains zinc

Text Solution

Verified by Experts

The correct Answer is:
C
Chlorophyll contains Mg and not Ca.
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DINESH PUBLICATION-CO-ORDINATION COMPOUNDS -Select the correct answers
  1. One mole of complex compound Co(NH3)5Cl3 gives 3 moles of ions on diss...

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  2. The oxidation state of nickel in K(4)Ni(CN)(4) is:

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  3. Coordination compounds have great importance in biological system. In ...

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  4. Which of the following compounds shows optical isomerism ?

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  5. Which one of the following has lowest value of paramagnetic behaviour?

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  6. Which of the following has a square planar geometry? .

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  7. The coordination number of a central metal atom in a complex is determ...

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  8. The correct order of magnetic moments (spin values in B.M.) among is:

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  9. Nickel (Z=28) combines with a uninegative monodentate ligand X^(-) to ...

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  10. In Fe(CO)5, the Fe-C bond possesses:

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  11. In which of the following octahedral complexes of Co (at. no. 27), wil...

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  12. The co-ordination number and the oxidation state of the element E in t...

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  13. Which of the following complexes will give a pair of enantiomers ?

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  14. Which of the following pairs represents linkage isomers ?

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  15. Which of the following exists as an optical isomer ?

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  16. A solution containing 2.675 g of CoCl(3).6NH(3) (molar mass = 267.5 g ...

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  17. The IUPAC name of the K(2)[Ni(CN)(4)] is :

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  18. The oxidation number , d-orbital occupation and co-ordination number o...

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  19. Which of the following facts about the complex [Cr(NH(3))(6)]Cl(3) is...

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  20. The correct statement with respect to the complexes Ni(CO)(4) and [Ni(...

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