A molecule/ion that can donate a pair of electrons with a transition metal ion to form a coordinate bond.
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Complex Ion
A transition metal ion bonded to one or more ligands by coordinate bonds.
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Co-ordination Number
The total number of co-ordinate bonds formed between a central metal ion and its ligands.
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Bidentate Ligand
Can donate two lone pairs of electrons to the central metal ion to form two coordinate bonds.
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Kstab (stability constant)
The equilibrium constant for the formation of the complex ion in a solvent from its constituent ions.
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Redox Reaction
A reaction where both reduction and oxidation occur.
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Oxidation Number
A measure of the number of electrons that an atom uses to bond with atoms of another element.
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Half-reaction
An equation to show the transfer of electrons.
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Oxidising Agent
A reagent that oxidises another species.
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Reducing Agent
A reagent that reduces another species.
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Standard Electrode (Redox) Potential
The electromotive force of a half cell compared with a standard hydrogen half cell measured at 298K, 1 moldm^-3 concentration and a gas pressure of 1 atmosphere.
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Conjugate acid-base pair
(acid) A species formed when a proton is added to a base. (base) a species formed when a proton is added to an acid.
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Ionic product of water (Kw)
[H+(aq)][OH-(aq)]
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pH
-log[H+(aq)]
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Buffer Solution
A mixture that minimises the pH changes on addition of a small amount of acid or base.
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Enthalpy change of Neutralisation
The enthalpy change that accompanies the neutralisation of an aqueous acid by an aqueous base to form one mole of H20(l), under standard conditions.
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Rate of Reaction
The change in concentration of a reactant or product per unit time.
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Order
The power to which the concentration of a reactant is raised in the rate equation.
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Half-life
The time taken for the concentration of a reactant to decrease by half.
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Rate-determining step
The slowest step in the reaction mechanism of a multi-step reaction.
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Lattice Enthalpy
The enthalpy change that accompanies the formation of one mole of an ionic compound from its gaseous ions, under standard conditions.
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Enthalpy change of Solution
The enthalpy change that takes place when one mole of a compound is completely dissolved in water, under standard conditions.
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Enthalpy change of Hydration
The enthalpy change that takes place when one mole of isolated gaseous ions is dissolved in water, forming one mole of aqueous ions, under standard conditions.
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Other cards in this set
Card 2
Front
A transition metal ion bonded to one or more ligands by coordinate bonds.
Back
Complex Ion
Card 3
Front
The total number of co-ordinate bonds formed between a central metal ion and its ligands.
Back
Card 4
Front
Can donate two lone pairs of electrons to the central metal ion to form two coordinate bonds.
Back
Card 5
Front
The equilibrium constant for the formation of the complex ion in a solvent from its constituent ions.
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