PbH2PO4+ + HPO42− + H+ → Pb(H2PO4)2
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- Reaction of lead(II) dihydrogenphosphate ion and hydrogenphosphate ion under acidic condition
- PbH2PO4+Lead(II) dihydrogenphosphate ion + HPO42−Hydrogenphosphate ion + H+Hydrogen ionPb(H2PO4)2Lead(II) dihydrogenphosphate⟶
The reaction of lead(II) dihydrogenphosphate ion, hydrogenphosphate ion, and hydrogen ion yields lead(II) dihydrogenphosphate. This reaction is an acid-base reaction and is classified as follows:
Table of contents
Reaction data
Chemical equation
- Reaction of lead(II) dihydrogenphosphate ion and hydrogenphosphate ion under acidic condition
- PbH2PO4+Lead(II) dihydrogenphosphate ion + HPO42−Hydrogenphosphate ion + H+Hydrogen ionPb(H2PO4)2Lead(II) dihydrogenphosphate⟶
General equation
- Reaction of cation and anion under acidic condition
- CationLewis acid + AnionLewis base + H+Lewis acid ⟶ ProductLewis conjugate
Oxidation state of each atom
- Reaction of lead(II) dihydrogenphosphate ion and hydrogenphosphate ion under acidic condition
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| PbH2PO4+ | Lead(II) dihydrogenphosphate ion | 1 | Lewis acid | Cation |
| HPO42− | Hydrogenphosphate ion | 1 | Lewis base | Anion |
| H+ | Hydrogen ion | 1 | Lewis acid | Hydrogen ion |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| Pb(H2PO4)2 | Lead(II) dihydrogenphosphate | 1 | Lewis conjugate | – |
Thermodynamic changes
Thermodynamic data of reactants
| Chemical formula | Standard enthalpy of formation ΔfH° kJ · mol−1 | Standard Gibbs energy of formation ΔfG° kJ · mol−1 | Standard molar entropy S° J · K−1 · mol−1 | Standard molar heat capacity at constant pressure Cp° J · K−1 · mol−1 |
|---|---|---|---|---|
| PbH2PO4+ | – | – | – | – |
| HPO42− (ao) | -1292.14[1] | -1089.15[1] | -33.5[1] | – |
| H+ (g) | 1536.202[1] | – | – | – |
| H+ (ao) | 0[1] | 0[1] | 0[1] | 0[1] |
* (ao):Un-ionized aqueous solution, (g):Gas
Thermodynamic data of products
| Chemical formula | Standard enthalpy of formation ΔfH° kJ · mol−1 | Standard Gibbs energy of formation ΔfG° kJ · mol−1 | Standard molar entropy S° J · K−1 · mol−1 | Standard molar heat capacity at constant pressure Cp° J · K−1 · mol−1 |
|---|---|---|---|---|
| Pb(H2PO4)2 | – | – | – | – |
References
List of references
- 1Janiel J. Reed (1989)The NBS Tables of Chemical Thermodynamic Properties: Selected Values for Inorganic and C1 and C2 Organic Substances in SI UnitsNational Institute of Standards and Technology (NIST)