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Coordination compounds have great import...

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

A

Cyanocobalamin is `B_(12)` 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

Carboxypeptidase - A is an exzyme and contains zinc.

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The correct Answer is:
C
The chlorophyll molecule plays an important role in photosynthesis , contain porphyrin ring and the metal Mg not Ca.
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DISHA PUBLICATION-COORDINATION COMPOUNDS -Exercise
  1. Oxidation state of "V" in Rb(4)K[HV(10)O(28)] is .

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  2. Following Sidgwick's rule of EAN, Co(CO)(x) will be.

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

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  4. Carbonyls are organometallic compounds .

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  5. Which of the following carbonyls will have the strongest C-O bond

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  6. Which of the following has longest C-O bond length? (Free C-O bond len...

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  7. An example of a sigma bonded organometallic compound is:

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  8. Facial-meridional isomers is associated with which one of the followin...

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  9. The IUPAC name of the red coloured complex [Fe(C(4)H(7)O(2)N(2))(2)] o...

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  10. The complexes [Co(NH3)6] [Cr(CN)6] and [Cr(NH3)6] [Co(CN)6] are the ex...

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  11. [Co(NH3)4(NO2)2]Cl exhibits

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  12. The total number of possible coordination isomer for the given compoun...

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  13. Incorrect matching for given complex compound/ion and its characterist...

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  14. For complex ion/compound formation reactions (I) Co^(3+) (aq) + EDTA...

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  15. The hypothetical complex chloro diaquatriammine cobalt (II) chloride c...

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  16. 50 ml of 0.2 M solution of a compound with empirical formula CoCl(3)....

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  17. [Cr(H2 O)6]Cl3 (at no. of Cr = 24) has a magnetic moment of 3.83 B.M. ...

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  18. Arrange the following in increasing value of magnetic moments. (i) ...

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  19. Which of the following complex is an outer orbital complex?

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  20. Which of the following order of stability of complex ion is Incorrect ...

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