3MnCl2 + 2K3PO4 ๐งโ Mn3(PO4)2โ + 6KCl
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The reaction of manganese(II) chloride and potassium phosphate yields manganese(II) phosphate and potassium chloride. This reaction is an acid-base reaction and is classified as follows:
Table of contents
Reaction data
Chemical equation
- Reaction of manganese(II) chloride and potassium phosphate
General equation
- Precipitation reaction
- Miscible with water/Very soluble in water/Soluble in waterLewis acid + Miscible with water/Very soluble in water/Soluble in waterLewis base๐งโถ Insoluble in water/Very slightly soluble in water/Slightly soluble in waterLewis conjugate + Product(Non-redox product)
Oxidation state of each atom
- Reaction of manganese(II) chloride and potassium phosphate
Reactants
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| MnCl2 | Manganese(II) chloride | 3 | Lewis acid | Very soluble in water |
| K3PO4 | Potassium phosphate | 2 | Lewis base | Very soluble in water |
Products
| Chemical formula | Name | Coefficient | Type | Type in general equation |
|---|---|---|---|---|
| Mn3(PO4)2 | Manganese(II) phosphate | 1 | Lewis conjugate | Insoluble in water |
| KCl | Potassium chloride | 6 | Non-redox product | โ |
Thermodynamic changes
Changes in standard condition
- Reaction of manganese(II) chloride and potassium phosphate
| Standard enthalpy of reaction ฮrHยฐ kJ ยท molโ1 | Standard Gibbs energy of reaction ฮrGยฐ kJ ยท molโ1 | Standard entropy of reaction ฮrSยฐ J ยท Kโ1 ยท molโ1 | Standard heat capacity of reaction at constant pressure ฮrCpยฐ J ยท Kโ1 ยท molโ1 | |
|---|---|---|---|---|
per 1 mol of Equation | โ392.9 | โ | โ | โ |
per 1 mol of | โ131.0 | โ | โ | โ |
per 1 mol of | โ196.4 | โ | โ | โ |
per 1 mol of | โ392.9 | โ | โ | โ |
per 1 mol of | โ65.48 | โ | โ | โ |
Changes in aqueous solution (1)
- Reaction of manganese(II) chloride and potassium phosphate
| Standard enthalpy of reaction ฮrHยฐ kJ ยท molโ1 | Standard Gibbs energy of reaction ฮrGยฐ kJ ยท molโ1 | Standard entropy of reaction ฮrSยฐ J ยท Kโ1 ยท molโ1 | Standard heat capacity of reaction at constant pressure ฮrCpยฐ J ยท Kโ1 ยท molโ1 | |
|---|---|---|---|---|
per 1 mol of Equation | 100.7 | โ | โ | โ |
per 1 mol of | 33.57 | โ | โ | โ |
per 1 mol of | 50.35 | โ | โ | โ |
per 1 mol of | 100.7 | โ | โ | โ |
per 1 mol of | 16.78 | โ | โ | โ |
Changes in aqueous solution (2)
- Reaction of manganese(II) chloride and potassium phosphate
| Standard enthalpy of reaction ฮrHยฐ kJ ยท molโ1 | Standard Gibbs energy of reaction ฮrGยฐ kJ ยท molโ1 | Standard entropy of reaction ฮrSยฐ J ยท Kโ1 ยท molโ1 | Standard heat capacity of reaction at constant pressure ฮrCpยฐ J ยท Kโ1 ยท molโ1 | |
|---|---|---|---|---|
per 1 mol of Equation | โ | โ | โ | โ |
per 1 mol of | โ | โ | โ | โ |
per 1 mol of | โ | โ | โ | โ |
per 1 mol of | โ | โ | โ | โ |
per 1 mol of | โ | โ | โ | โ |
Thermodynamic data of reactants
| Chemical formula | Standard enthalpy of formation ฮfHยฐ kJ ยท molโ1 | Standard Gibbs energy of formation ฮfGยฐ kJ ยท molโ1 | Standard molar entropy Sยฐ J ยท Kโ1 ยท molโ1 | Standard molar heat capacity at constant pressure Cpยฐ J ยท Kโ1 ยท molโ1 |
|---|---|---|---|---|
| MnCl2 (cr) | -481.29[1] | -440.50[1] | 118.24[1] | 72.93[1] |
| MnCl2 (g) | -263.6[1] | โ | โ | โ |
| MnCl2 (ai) | -555.05[1] | -490.8[1] | 38.9[1] | -222[1] |
| MnCl2 (ao) | โ | -492.0[1] | โ | โ |
| MnCl2 (cr) 1 hydrate | -789.9[1] | -696.1[1] | 174.1[1] | โ |
| MnCl2 (cr) 2 hydrate | -1092.0[1] | -942.1[1] | 218.8[1] | โ |
| MnCl2 (cr) 4 hydrate | -1687.4[1] | -1423.6[1] | 303.3[1] | โ |
| K3PO4 (cr) | -1950.2[1] | โ | โ | โ |
| K3PO4 (ai) | -2034.7[1] | -1868.7[1] | 87.2[1] | โ |
* (cr):Crystalline solid, (g):Gas, (ai):Ionized aqueous solution, (ao):Un-ionized aqueous solution
Thermodynamic data of products
| Chemical formula | Standard enthalpy of formation ฮfHยฐ kJ ยท molโ1 | Standard Gibbs energy of formation ฮfGยฐ kJ ยท molโ1 | Standard molar entropy Sยฐ J ยท Kโ1 ยท molโ1 | Standard molar heat capacity at constant pressure Cpยฐ J ยท Kโ1 ยท molโ1 |
|---|---|---|---|---|
| Mn3(PO4)2 (cr) | -3116.7[1] | โ | โ | โ |
| KCl (cr) | -436.747[1] | -409.14[1] | 82.59[1] | 51.30[1] |
| KCl (g) | -214.14[1] | -233.0[1] | 239.10[1] | 36.48[1] |
| KCl (ai) | -419.53[1] | -414.49[1] | 159.0[1] | -114.6[1] |
* (cr):Crystalline solid, (g):Gas, (ai):Ionized aqueous solution
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)
- ^ ฮfHยฐ, -481.29 kJ ยท molโ1
- ^ ฮfGยฐ, -440.50 kJ ยท molโ1
- ^ Sยฐ, 118.24 J ยท Kโ1 ยท molโ1
- ^ Cpยฐ, 72.93 J ยท Kโ1 ยท molโ1
- ^ ฮfHยฐ, -263.6 kJ ยท molโ1
- ^ ฮfHยฐ, -555.05 kJ ยท molโ1
- ^ ฮfGยฐ, -490.8 kJ ยท molโ1
- ^ Sยฐ, 38.9 J ยท Kโ1 ยท molโ1
- ^ Cpยฐ, -222. J ยท Kโ1 ยท molโ1
- ^ ฮfGยฐ, -492.0 kJ ยท molโ1
- ^ ฮfHยฐ, -789.9 kJ ยท molโ1
- ^ ฮfGยฐ, -696.1 kJ ยท molโ1
- ^ Sยฐ, 174.1 J ยท Kโ1 ยท molโ1
- ^ ฮfHยฐ, -1092.0 kJ ยท molโ1
- ^ ฮfGยฐ, -942.1 kJ ยท molโ1
- ^ Sยฐ, 218.8 J ยท Kโ1 ยท molโ1
- ^ ฮfHยฐ, -1687.4 kJ ยท molโ1
- ^ ฮfGยฐ, -1423.6 kJ ยท molโ1
- ^ Sยฐ, 303.3 J ยท Kโ1 ยท molโ1
- ^ ฮfHยฐ, -1950.2 kJ ยท molโ1
- ^ ฮfHยฐ, -2034.7 kJ ยท molโ1
- ^ ฮfGยฐ, -1868.7 kJ ยท molโ1
- ^ Sยฐ, 87.2 J ยท Kโ1 ยท molโ1
- ^ ฮfHยฐ, -3116.7 kJ ยท molโ1
- ^ ฮfHยฐ, -436.747 kJ ยท molโ1
- ^ ฮfGยฐ, -409.14 kJ ยท molโ1
- ^ Sยฐ, 82.59 J ยท Kโ1 ยท molโ1
- ^ Cpยฐ, 51.30 J ยท Kโ1 ยท molโ1
- ^ ฮfHยฐ, -214.14 kJ ยท molโ1
- ^ ฮfGยฐ, -233.0 kJ ยท molโ1
- ^ Sยฐ, 239.10 J ยท Kโ1 ยท molโ1
- ^ Cpยฐ, 36.48 J ยท Kโ1 ยท molโ1
- ^ ฮfHยฐ, -419.53 kJ ยท molโ1
- ^ ฮfGยฐ, -414.49 kJ ยท molโ1
- ^ Sยฐ, 159.0 J ยท Kโ1 ยท molโ1
- ^ Cpยฐ, -114.6 J ยท Kโ1 ยท molโ1