Coordination compounds are of great importance in biological systems. In this context,which of the following statements is incorrect?

  • A
    The green color of plant leaves is due to the chlorophyll complex,which contains $Ca$ metal ion.
  • B
    The red color of blood is due to the hemoglobin complex,which contains $Fe$ metal ion.
  • C
    Cyanocobalamin is known as vitamin $B_{12}$,which contains a cobalt metal ion.
  • D
    Carboxypeptidase-$A$ is an enzyme that contains zinc.

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Similar Questions

The mismatched combinations are
$A.$ Chlorophyll $- Co$
$B.$ Water hardness $- EDTA$
$C.$ Photography $- [Ag(CN)_2]^-$
$D.$ Wilkinson catalyst $- [(Ph_3P)_3RhCl]$
$E.$ Chelating ligand $- D^{-}$\text{Penicillamine}
Choose the correct answer from the options given below:

Blood haemoglobin contains the metal

Assign the correct code for Column-$I$ and Column-$II$:
Column-$I$ (Coordination compound) Column-$II$ (Central metal atom)
$(a)$ Chlorophyll $(p)$ Rhodium
$(b)$ Blood pigment $(q)$ Cobalt
$(c)$ Wilkinson catalyst $(r)$ Calcium
$(d)$ Vitamin $B_{12}$ $(s)$ Iron
$(t)$ Magnesium

Which statement is true for sodium nitroprusside?

Difficult
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Which of the following ionic species is present in hemoglobin and responsible for transformation of oxygen?

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