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Which of the following ligands will not form a metal nitrogen bond when bonded with a metal atom?
  • a)
    EDTA
  • b)
    en
  • c)
    Glycine
  • d)
    acac
Correct answer is option 'D'. Can you explain this answer?
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Which of the following ligands will not form a metal nitrogen bond wh...
Explanation:
To determine which ligand does not form a metal-nitrogen bond, we need to consider the nature of the ligand and its ability to donate electrons to the metal atom.

EDTA (Ethylenediaminetetraacetic acid):
- EDTA is a hexadentate ligand, meaning it can donate six electron pairs to the metal atom.
- It contains two nitrogen atoms, each capable of forming a coordinate bond with the metal atom.
- Therefore, EDTA can form a metal-nitrogen bond.

en (Ethylene diamine):
- en is a bidentate ligand, meaning it can donate two electron pairs to the metal atom.
- It contains two nitrogen atoms, each capable of forming a coordinate bond with the metal atom.
- Therefore, en can form a metal-nitrogen bond.

Glycine:
- Glycine is a monodentate ligand, meaning it can donate only one electron pair to the metal atom.
- It contains one nitrogen atom, which can form a coordinate bond with the metal atom.
- Therefore, glycine can form a metal-nitrogen bond.

acac (Acetylacetonate):
- Acetylacetonate is a monodentate ligand, meaning it can donate only one electron pair to the metal atom.
- However, it does not contain any nitrogen atoms capable of forming a coordinate bond with the metal atom.
- Therefore, acac does not form a metal-nitrogen bond.

In conclusion, the correct answer is option 'D' - acac, as it does not contain any nitrogen atoms and cannot form a metal-nitrogen bond.
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Community Answer
Which of the following ligands will not form a metal nitrogen bond wh...
EDTA: It is ethylene diamine tetraacetate. It is a hexadentate ligand with two nitrogen and four oxygen acting as the donor atoms.
en: It is ethylene diamine. It is a bidentate ligand and has two nitrogen acting as the donor atoms.
H2N − CH2 − CH2 − NH2
Glycine: It is also known as glycinato. It is a bidentate ligand with nitrogen and oxygen acting as donors.
H2N − CH2 − COO−
acac: It is known as acetylacetanato. It is a bidentate ligand with two oxygen acting as the donor atoms.
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Which of the following ligands will not form a metal nitrogen bond when bonded with a metal atom?a)EDTAb)enc)Glycined)acacCorrect answer is option 'D'. Can you explain this answer?
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