What is EDTA as a hexadentate ligand?
EDTA has six sites to donate electrons. hence, it is a hexadentate ligand. It binds twice at the nitrogens and four at the oxygens. Denticity of a ligand is a number of the lone pairs donated to central atom by ligand.
Why EDTA is a hexadentate ligand?
Hexadentate ligand is one in which there are six donor atoms . As we can see from the structure that it has six donor atoms , that is , two nitrogen and four oxygen atoms ( of the carboxylic acid groups ) capable of bonding to the metal atom . Hence it is a hexadentate ligand .
What is hexadentate ligand class 12?
The ligand which has six donor atoms is known as a hexadentate ligand. Complete answer: Ligand is a molecule that binds with metal to form a complex. The molecule binds with metal with some of its atoms. Denticity of a ligand is defined as the number of donor atoms of a ligand.
Which of these is an example of hexadentate ligand?
Ethylene diamine tetra acetate ion [EDTA] is an example of hexadentate ligand.
What is EDTA in microbiology?
Ethylenediaminetetraacetic acid (EDTA) is a well known metal-chelating agent, extensively used for the treatment of patients who have been poisoned with heavy metal ions such as mercury and lead.
Is EDTA a hexadentate?
A hexadentate ligand in coordination chemistry is a ligand that combines with a central metal atom with six bonds. A commercially important hexadentate ligand is EDTA.
Is EDTA a weak field ligand?
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How many ligands are in EDTA?
EDTA4- forms very stable complexes with most of the transition metals. This hexadentate ligand forms very stable complexes (usually octahedral structures) with most of the transition metals. The donor atoms in EDTA4- are the two N atoms, and the four, negatively charged O atoms.
Which is an example of a hexadentate ligand?
A hexadentate ligand in coordination chemistry is a ligand that combines with a central metal atom with six bonds. One example of a hexadentate ligand that can form complexes with soft metal ions is TPEN.
Who are the donors of the hexadentate EDTA4?
This hexadentate ligand forms very stable complexes (usually octahedral structures) with most of the transition metals. The donor atoms in EDTA4-are the two N atoms, and the four, negatively charged O atoms. The Java Plug-in must be install on your local machine and enable in your browser
Which is an example of an EDTA ion?
EDTA Some ligands can bond to a metal atom using more than two pairs of electrons. An example is ethylenediamminetetraacetate ion (EDTA4-), the Lewis structure of which is shown below. EDTA4-forms very stable complexes with most of the transition metals. EDTA4-
How is ethylenediaminetetraacetic acid converted to EDTA?
Today, EDTA is mainly synthesised from ethylenediamine (1,2-diaminoethane), formaldehyde, and sodium cyanide. This route yields the tetrasodium EDTA, which is converted in a subsequent step into the acid forms: