0
Why water is monodentate For a ligand to be monodentate it must have ONE lone pair of electrons Water has two yet is not bidentate Why is this?
Wiki User
∙ 12y ago
there are two lone pairs on the oxygen of water but because of the orbital geometry, only one lone pair can have the correct orientation to make a bond and the other lone pair pointing away from the central atom, therefor water is monodentate not bidentate. and for bidentate ligands require distint lone pairs on distinct atoms.
A Ali Sudais jan
Nuclear medicine
Research Scholar
Centre for Nuclear and molecular studies
Wiki User
∙ 12y ago
Add your answer:
Earn +20 pts
Where do plants get their replacement electrons?
They are obtained from water. Photolysis of water release Electrons
Where do plants get their replacement electrons from?
Water
What is a molecule of water that has become part of a hydrate called?
Then it is called a 'ligand', an ion or molecule (functional group) that binds to a central metal atom to form a coordination complex as in hydrates.
Why doesn't the photo-system run out of electrons?
Because electrons are obtained from water. Process is called photolysis
Why is the molecular geometry of water bent?
repulsive forces between unshared pairs of electrons
What is an aquation?
An animal that lives in water or spends alot of time in water
What is the definition of ligand exchange?
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
Where do plants get their replacement electrons?
They are obtained from water. Photolysis of water release Electrons
Where do the supply of electrons come from in photosynthesis?
The supply of electrons in photosynthesis comes from water.
How many bonding electrons are in water?
Two bonding electrons are in the molecule of H2O (light water)
What are the differences between dehydrating agent and chelating agent?
A dehydrating agent is usually an acid which brings about loss of water molecule when used on an hydrated compound. A chelating agent is usually an electron donour (ligand) which forms a complex by coordinating with a metal using two or more donor groups of a single ligand.
Electrons that chlorophyll loses to the electron transport chain are replenished by what molecules?
Water molecules. The water is split and electrons from it are used to replace the electrons in the chlorophyll pigment.
Why is it possible to run an electrical current through salt water and not pure water?
Pure water does not contain any electrolytes to carry electrons where as salt water contains the same to carry electrons -movement of electrons is electrical current
The unequal sharing of electrons within a water molecule makes the water molecule .?
Unequal sharing of electrons in a water molecule causes the molecule to be polar.
Where is the density of electrons greatest in the water molecule?
The density of electrons in a water molecule is highest around/near the oxygen atom.
Do electrons leak like water would do?
In metals electrons are in a permanent motion.
Why is d3 orbital more stable in water than d5?
Lets first take the case of the d3 compound. The no.of orbitals in the 3d shell is 5. If three electrons occupy three orbitals then there are two free orbitals.Therefore According to Valence bond theory the six water ligands will use the two inner d orbitals the outer s and the p orbitals to form an inner orbital complex with hybrisation d2sp3. In the second case we have the d5 compund. Since there are five electrons in the d subshell the five electrons singly occupy all the five d orbitals. Here 's where the concept of the weak ligand comes in. Since water is a weak ligand it cannot force pairing of the unpaired d electrons to make room for an inner orbital complex. Thus it has to use the outer d orbital to form an outer orbital complex with hybridisation of sp3d2. Since the Inner orbital (low spin) complex is more stable than the outer orbital (high spin) complex. Thus d3 configuration is more stable than d5 configuration in aqueous medium.
