3NaClO + Sn(OH)4 → NaClO2 + Na2SnO3 + Cl2↑ + 2H2O
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The reaction of sodium hypochlorite and tin(IV) hydroxide yields sodium chlorite, sodium metastannate, , and water (Other reactions are here). This reaction is an oxidation-reduction reaction and is classified as follows:
Table of contents
Reaction data
Chemical equation
- Reaction of sodium hypochlorite and tin(IV) hydroxide
General equation
- Reaction of self redoxing species and base
- Self-redoxing speciesSelf redox agent + BaseNon-redox agent ⟶ ProductOxidation product + ProductReduction product
Oxidation state of each atom
- Reaction of sodium hypochlorite and tin(IV) hydroxide
Reactants
Chemical formula | Name | Coefficient | Type | Type in general equation |
---|---|---|---|---|
NaClO | Sodium hypochlorite | 3 | – | Self redoxing |
Sn(OH)4 | Tin(IV) hydroxide | 1 | – | Base |
Products
Chemical formula | Name | Coefficient | Type | Type in general equation |
---|---|---|---|---|
NaClO2 | Sodium chlorite | 1 | Oxidized | – |
Na2SnO3 | Sodium metastannate | 1 | – | – |
1 | Reduced | – | ||
H2O | Water | 2 | – | – |
Thermodynamic changes
Changes in standard condition (1)
- Reaction of sodium hypochlorite and tin(IV) hydroxide
Standard enthalpy of reaction ΔrH° kJ · mol−1 | Standard Gibbs energy of reaction ΔrG° kJ · mol−1 | Standard entropy of reaction ΔrS° J · K−1 · mol−1 | Standard heat capacity of reaction at constant pressure ΔrCp° J · K−1 · mol−1 | |
---|---|---|---|---|
per 1 mol of Equation | 119 | – | – | – |
per 1 mol of | 39.7 | – | – | – |
per 1 mol of | 119 | – | – | – |
per 1 mol of | 119 | – | – | – |
per 1 mol of | 119 | – | – | – |
119 | – | – | – | |
per 1 mol of | 59.5 | – | – | – |
Changes in standard condition (2)
- Reaction of sodium hypochlorite and tin(IV) hydroxide
Standard enthalpy of reaction ΔrH° kJ · mol−1 | Standard Gibbs energy of reaction ΔrG° kJ · mol−1 | Standard entropy of reaction ΔrS° J · K−1 · mol−1 | Standard heat capacity of reaction at constant pressure ΔrCp° J · K−1 · mol−1 | |
---|---|---|---|---|
per 1 mol of Equation | 95 | – | – | – |
per 1 mol of | 32 | – | – | – |
per 1 mol of | 95 | – | – | – |
per 1 mol of | 95 | – | – | – |
per 1 mol of | 95 | – | – | – |
95 | – | – | – | |
per 1 mol of | 48 | – | – | – |
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 |
---|---|---|---|---|
NaClO (ai) | -347.3[1] | -298.7[1] | 100[1] | – |
Sn(OH)4 (cr) precipitated | -1110.0[1] | – | – | – |
* (ai):Ionized aqueous solution, (cr):Crystalline solid
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 |
---|---|---|---|---|
NaClO2 (cr) | -307.02[1] | – | – | – |
NaClO2 (ai) | -306.7[1] | -244.7[1] | 160.2[1] | – |
NaClO2 (cr) 3 hydrate | -1192.77[1] | – | – | – |
Na2SnO3 (cr) | -1155[1] | – | – | – |
(g) | 0[1] | 0[1] | 223.066[1] | 33.907[1] |
(ao) | -23.4[1] | 6.94[1] | 121[1] | – |
H2O (cr) | – | – | – | – |
H2O (l) | -285.830[1] | -237.129[1] | 69.91[1] | 75.291[1] |
H2O (g) | -241.818[1] | -228.572[1] | 188.825[1] | 33.577[1] |
* (cr):Crystalline solid, (ai):Ionized aqueous solution, (g):Gas, (ao):Un-ionized aqueous solution, (l):Liquid
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)
- ^ ΔfH°, -347.3 kJ · mol−1
- ^ ΔfG°, -298.7 kJ · mol−1
- ^ S°, 100. J · K−1 · mol−1
- ^ ΔfH°, -1110.0 kJ · mol−1
- ^ ΔfH°, -307.02 kJ · mol−1
- ^ ΔfH°, -306.7 kJ · mol−1
- ^ ΔfG°, -244.7 kJ · mol−1
- ^ S°, 160.2 J · K−1 · mol−1
- ^ ΔfH°, -1192.77 kJ · mol−1
- ^ ΔfH°, -1155. kJ · mol−1
- ^ ΔfH°, 0 kJ · mol−1
- ^ ΔfG°, 0 kJ · mol−1
- ^ S°, 223.066 J · K−1 · mol−1
- ^ Cp°, 33.907 J · K−1 · mol−1
- ^ ΔfH°, -23.4 kJ · mol−1
- ^ ΔfG°, 6.94 kJ · mol−1
- ^ S°, 121. J · K−1 · mol−1
- ^ ΔfH°, -285.830 kJ · mol−1
- ^ ΔfG°, -237.129 kJ · mol−1
- ^ S°, 69.91 J · K−1 · mol−1
- ^ Cp°, 75.291 J · K−1 · mol−1
- ^ ΔfH°, -241.818 kJ · mol−1
- ^ ΔfG°, -228.572 kJ · mol−1
- ^ S°, 188.825 J · K−1 · mol−1
- ^ Cp°, 33.577 J · K−1 · mol−1