Chemistry Annex

Manganese


Sources for these reactions can be found on the "Reactions Database" page.

Manganese ion (Mn2+)

3M HCl

No Reaction

3M H2SO4

No Reaction

1M Na3PO4

3Mn2+(aq) + 2PO43-(aq) → Mn3(PO4)2(s)

6M HNO3

Mn3(PO4)2(s) + 6H+(aq) → 3Mn2+(aq) + 2H3PO4(aq)

1M Na2CO3

Mn2+(aq) + CO32-(aq) → MnCO3(s)

6M HNO3

MnCO3(s) + 2H+(aq) → 3Mn2+(aq) + CO2(g) + H2O(l)

1M K2CrO4

No Reaction

6M HNO3

No Reaction

3M NaOH

Mn2+(aq) + 2OH-(aq) → Mn(OH)2(s)


Mn(OH)2(s) + O2(g) → (MnO)OH(s)

6M HNO3

No Reaction

19M NaOH

Mn2+(aq) + 2OH-(aq) → Mn(OH)2(s)


Mn(OH)2(s) + O2(g) → (MnO)OH(s)

6M HNO3

No Reaction

3M NH3

Mn2+(aq) + 2OH-(aq) → Mn(OH)2(s)

6M HNO3

Mn(OH)2(s) + 2H+(aq) → Mn2+(aq) + 2H2O(l)

15M NH3

Mn2+(aq) + 2OH-(aq) → Mn(OH)2(s)

6M HNO3

Mn(OH)2(s) + 2H+(aq) → Mn2+(aq) + 2H2O(l)

OH- / H2S

Mn2+(aq) + S2-(aq) → MnS(s)

6M HNO3

MnS(s) + 2H+(aq) → Mn2+(aq) + H2S(aq)

H+ / H2S

Mn2+(aq) + S2-(aq) → MnS(s)


4MnS(s) + 3O2(g) → 2Mn2O3(s) + 2S2(g)

6M HNO3

Mn2O3(s) + 6H+(aq) → 2Mn2+(aq) + 3H2O(l)