Coordination compounds are of great importance in biological systems. In this context,which of the following statements is incorrect?
- AThe green color of plant leaves is due to the chlorophyll complex,which contains $Ca$ metal ion.
- BThe red color of blood is due to the hemoglobin complex,which contains $Fe$ metal ion.
- CCyanocobalamin is known as vitamin $B_{12}$,which contains a cobalt metal ion.
- DCarboxypeptidase-$A$ is an enzyme that contains zinc.
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Similar Questions
If a didentate ligand ethane-$1, 2$-diamine is progressively added in the molar ratio $en : Ni :: 1: 1, 2: 1, 3: 1$ to $[Ni(H_2O)_6]^{2+}$ aqueous solution,the following coordination entities are formed:
$I$. $[Ni(H_2O)_4en]^{2+}_{(aq)} -$ pale blue
$II$. $[Ni(H_2O)_2(en)_2]^{2+}_{(aq)} -$ blue/purple
$III$. $[Ni(en)_3]^{2+}_{(aq)} -$ violet
The wavelengths in $nm$ of light absorbed in the case of $I$ and $III$ are respectively:
$I$. $[Ni(H_2O)_4en]^{2+}_{(aq)} -$ pale blue
$II$. $[Ni(H_2O)_2(en)_2]^{2+}_{(aq)} -$ blue/purple
$III$. $[Ni(en)_3]^{2+}_{(aq)} -$ violet
The wavelengths in $nm$ of light absorbed in the case of $I$ and $III$ are respectively:
Chlorophyll is a coordination compound of . . . . . . .
Which ligand is useful for the removal of the toxic effect of lead metal in the body during chelate therapy treatment?
$CO$ (Carbon monoxide) is a neutral oxide of carbon,but it acts as a very strong field ligand and associates with metals to form complex compounds. These complex compounds are very useful in metallurgical processes. $CO$ is a poisonous gas because:
Which among the following is used in the treatment of cancer?
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