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A ligand exchange reaction is exactly what it says - a reaction in which one ligand in a complex ion is replaced by a different one. When a precipitate is formed in a solution, the solution remains a saturated solution of the compound. In other words, cations and anions of the compound remain in the solution. The cations are usually hydrated; that is, water molecules are 'ligands' and are attached to the cations by dative bonds. If some substance is added that can form even stronger bonds with the cations than water, the water molecules(or some part of them) are replaced by the new ligand, and the concentration of the hydrated ion drops. hi sammi
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Amino acid like L-arginine is a bidentate ligand or tridentate ligand?
L-arginine is a bidentate ligand
What type of ligand is nitrogen dioxide?
It is not a ligand because does not have a lone pair of electrons but nitrite NO2-1 is a strong basic or strong field ligand.
What is butyne used for?
A butyne is either of two isomeric acetylenes containing four carbon atoms and a triple bond.
What occurs when Molecules exchange places?
Exchange reaction
Is the color observed in the flame test the result of the metallic ion or the nitrate ion explain why?
Nitrate ions have no colour, while transition metal ions do. The colour in the transition metal is due to ligands (such as nitrate in this case) approaching the ion along the x, y and z axes. As the dx2-y2 and dz2 orbitals lie on these axes they will be repelled by the ligand (negative charges repel each other). The other orbitals (dxy dyz and dxz) do repel the ligand as well just to a much lesser extent. This creates an ligand field (difference of energy between the orbitals) Photons are then absorbed by the dxy dyz and dxz orbitals . The wavelength of photons absorbed will affect the colour of light seen, ie if green light is absorbed violet will be seen (in permanganate ions).
What is ligand-dependent?
Requiring a ligand to serve its function
Amino acid like L-arginine is a bidentate ligand or tridentate ligand?
L-arginine is a bidentate ligand
What is the definition of a ligand as used in chemistry?
Ligand is an atom, ion, or molecule that donates or shares one or more of it's electrons through a covalent bond with a central atom or ion. It is a complexing group in coordination chemistry that stabilizes the central atom and determines it reactivity.
What kind of ligand is oxalic acid?
generally a bidentate, dianionic ligand
Is sulphate a ligand in chemistry?
yes , it is a flexidentate ligand its denticity can be one or two
What type of ligand is nitrogen dioxide?
It is not a ligand because does not have a lone pair of electrons but nitrite NO2-1 is a strong basic or strong field ligand.
What is inner sphere mechanism?
such a mechanism in which a ligand can be transfers from one co-ordination sphere to other through a bridging ligand . a oxidant compound have such type of ligand .
What is a backbonding ligand?
A backbonding ligand is a ligand - an ion, molecule or functional group bound to another chemical entity - which has two or more bonds to the same metal centre.
Is EDTA hexadentate ligand or tetradentate?
It is hexadentate strong field ligand a polydentate ligand is also known as chelating agent because it forms chelate like structure around the central metallic ion.
What is the symbol for Ligand Pharmaceuticals Incorporated in NASDAQ?
The symbol for Ligand Pharmaceuticals Incorporated in NASDAQ is: LGND.
What is the difference between chelating agent and ligand?
A ligand is an ion or molecule that binds to a central metal atom to form a coordination complex. The bonding usually involves the formal donation of one or more of the ligand's electron pairs. A chelating agent is a type of ligand.
What has the author M Gerloch written?
M. Gerloch has written: 'Transition Metal Chemistry' 'Ligand-field parameters' -- subject(s): Ligand field theory 'Ligand-field parameters [by] M. Gerloch and R.C. Slade' -- subject(s): Ligand field theory
