5KI + 6CsClO3 + 6H+ → 5K+ + 5CsIO3 + 3Cl2↑ + Cs+ + 3H2O
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- Reaction of potassium iodide and caesium chlorate under acidic condition
- 5KIPotassium iodide + 6CsClO3Caesium chlorate + 6H+Hydrogen ion5K+Potassium ion + 5CsIO3Caesium iodate + 3↑ + Cs+Caesium ion + 3H2OWater⟶
The reaction of potassium iodide, caesium chlorate, and hydrogen ion yields potassium ion, caesium iodate, , caesium ion, 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 potassium iodide and caesium chlorate under acidic condition
- 5KIPotassium iodide + 6CsClO3Caesium chlorate + 6H+Hydrogen ion5K+Potassium ion + 5CsIO3Caesium iodate + 3↑ + Cs+Caesium ion + 3H2OWater⟶
General equation
- Reaction of oxidizable species and oxidizing species under acidic condition
- Oxidizable speciesReducing agent + Oxidizing speciesOxidizing agent + H+Non-redox agent ⟶ ProductOxidation product + ProductReduction product + H2ONon-redox product
Oxidation state of each atom
- Reaction of potassium iodide and caesium chlorate under acidic condition
Reactants
Chemical formula | Name | Coefficient | Type | Type in general equation |
---|---|---|---|---|
KI | Potassium iodide | 5 | Reducing | Oxidizable |
CsClO3 | Caesium chlorate | 6 | Oxidizing | Oxidizing under acidic condition |
H+ | Hydrogen ion | 6 | – | Hydrogen ion |
Products
Chemical formula | Name | Coefficient | Type | Type in general equation |
---|---|---|---|---|
K+ | Potassium ion | 5 | – | – |
CsIO3 | Caesium iodate | 5 | Oxidized | – |
3 | Reduced | – | ||
Cs+ | Caesium ion | 1 | – | – |
H2O | Water | 3 | – | Water |
Thermodynamic changes
Changes in standard condition (1)
- Reaction of potassium iodide and caesium chlorate under acidic condition◆
ΔrG −1045.7 kJ/mol K 1.58 × 10183 pK −183.20
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 | −1063.8 | −1045.7 | −59.4 | – |
per 1 mol of | −212.76 | −209.14 | −11.9 | – |
per 1 mol of | −177.30 | −174.28 | −9.90 | – |
per 1 mol of Hydrogen ion | −177.30 | −174.28 | −9.90 | – |
per 1 mol of Potassium ion | −212.76 | −209.14 | −11.9 | – |
per 1 mol of | −212.76 | −209.14 | −11.9 | – |
−354.60 | −348.57 | −19.8 | – | |
per 1 mol of Caesium ion | −1063.8 | −1045.7 | −59.4 | – |
per 1 mol of | −354.60 | −348.57 | −19.8 | – |
Changes in standard condition (2)
- Reaction of potassium iodide and caesium chlorate under acidic condition◆
ΔrG −1024.9 kJ/mol K 3.59 × 10179 pK −179.55
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 | −1134.0 | −1024.9 | −366 | – |
per 1 mol of | −226.80 | −204.98 | −73.2 | – |
per 1 mol of | −189.00 | −170.82 | −61.0 | – |
per 1 mol of Hydrogen ion | −189.00 | −170.82 | −61.0 | – |
per 1 mol of Potassium ion | −226.80 | −204.98 | −73.2 | – |
per 1 mol of | −226.80 | −204.98 | −73.2 | – |
−378.00 | −341.63 | −122 | – | |
per 1 mol of Caesium ion | −1134.0 | −1024.9 | −366 | – |
per 1 mol of | −378.00 | −341.63 | −122 | – |
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 |
---|---|---|---|---|
KI (cr) | -327.900[1] | -324.892[1] | 106.32[1] | 52.93[1] |
KI (g) | -125.5[1] | -166.1[1] | 258.3[1] | 37.11[1] |
KI (ai) | -307.57[1] | -334.85[1] | 213.8[1] | -120.5[1] |
CsClO3 (cr) | -411.7[1] | -307.9[1] | 156.1[1] | – |
CsClO3 (ai) | -362.25[1] | -299.97[1] | 295.4[1] | – |
H+ (g) | 1536.202[1] | – | – | – |
H+ (ao) | 0[1] | 0[1] | 0[1] | 0[1] |
* (cr):Crystalline solid, (g):Gas, (ai):Ionized aqueous solution, (ao):Un-ionized aqueous solution
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 |
---|---|---|---|---|
K+ (g) | 514.26[1] | – | – | – |
K+ (ao) | -252.38[1] | -283.27[1] | 102.5[1] | 21.8[1] |
CsIO3 (cr) | – | -433.8[1] | – | – |
CsIO3 (ai) | -479.5[1] | -420.0[1] | 251.5[1] | – |
(g) | 0[1] | 0[1] | 223.066[1] | 33.907[1] |
(ao) | -23.4[1] | 6.94[1] | 121[1] | – |
Cs+ (g) | 457.964[1] | – | – | – |
Cs+ (ao) | -258.28[1] | -292.02[1] | 133.05[1] | -10.5[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] |
* (g):Gas, (ao):Un-ionized aqueous solution, (cr):Crystalline solid, (ai):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°, -327.900 kJ · mol−1
- ^ ΔfG°, -324.892 kJ · mol−1
- ^ S°, 106.32 J · K−1 · mol−1
- ^ Cp°, 52.93 J · K−1 · mol−1
- ^ ΔfH°, -125.5 kJ · mol−1
- ^ ΔfG°, -166.1 kJ · mol−1
- ^ S°, 258.3 J · K−1 · mol−1
- ^ Cp°, 37.11 J · K−1 · mol−1
- ^ ΔfH°, -307.57 kJ · mol−1
- ^ ΔfG°, -334.85 kJ · mol−1
- ^ S°, 213.8 J · K−1 · mol−1
- ^ Cp°, -120.5 J · K−1 · mol−1
- ^ ΔfH°, -411.7 kJ · mol−1
- ^ ΔfG°, -307.9 kJ · mol−1
- ^ S°, 156.1 J · K−1 · mol−1
- ^ ΔfH°, -362.25 kJ · mol−1
- ^ ΔfG°, -299.97 kJ · mol−1
- ^ S°, 295.4 J · K−1 · mol−1
- ^ ΔfH°, 1536.202 kJ · mol−1
- ^ ΔfH°, 0 kJ · mol−1
- ^ ΔfG°, 0 kJ · mol−1
- ^ S°, 0 J · K−1 · mol−1
- ^ Cp°, 0 J · K−1 · mol−1
- ^ ΔfH°, 514.26 kJ · mol−1
- ^ ΔfH°, -252.38 kJ · mol−1
- ^ ΔfG°, -283.27 kJ · mol−1
- ^ S°, 102.5 J · K−1 · mol−1
- ^ Cp°, 21.8 J · K−1 · mol−1
- ^ ΔfG°, -433.8 kJ · mol−1
- ^ ΔfH°, -479.5 kJ · mol−1
- ^ ΔfG°, -420.0 kJ · mol−1
- ^ S°, 251.5 J · K−1 · 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°, 457.964 kJ · mol−1
- ^ ΔfH°, -258.28 kJ · mol−1
- ^ ΔfG°, -292.02 kJ · mol−1
- ^ S°, 133.05 J · K−1 · mol−1
- ^ Cp°, -10.5 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