Chemistry Annex

Copper


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

Copper ion (Cu2+)

3M HCl

No Reaction

3M H2SO4

No Reaction

1M Na3PO4

3Cu2+(aq) + 2PO43-(aq) → Cu3(PO4)2(s)

6M HNO3

Cu3(PO4)2(s) + 6H+(aq) → 3Cu2+(aq) + 2H3PO4(aq)

1M Na2CO3

Cu2+(aq) + CO32-(aq) → CuCO3(s)

6M HNO3

CuCO3(s) + 2H+(aq) → 3Cu2+(aq) + CO2(g) + H2O(l)

1M K2CrO4

Cu2+(aq) + CrO42-(aq) → CuCrO4(s)

6M HNO3

2CuCrO4(s) + 2H+(aq) → 2Cu2+(aq) + Cr2O72-(aq) + H2O(l)

3M NaOH

Cu2+(aq) + 2OH-(aq) → Cu(OH)2(s)

6M HNO3

Cu(OH)2(s) + 2H+(aq) → Cu2+(aq) + 2H2O(l)

19M NaOH

Cu2+(aq) + 2OH-(aq) → Cu(OH)2(s)

6M HNO3

Cu(OH)2(s) + 2H+(aq) → Cu2+(aq) + 2H2O(l)

3M NH3

Cu2+(aq) + 2OH-(aq) → Cu(OH)2(s)

6M HNO3

Cu(OH)2(s) + 2H+(aq) → Cu2+(aq) + 2H2O(l)

15M NH3

Cu2+(aq) + 4NH3(aq) → [Cu(NH3)4]2+(aq)

OH- / H2S

Cu2+(aq) + S2-(aq) → CuS(s)

6M HNO3

CuS(s) + 2H+(aq) → Cu2+(aq) + H2S(aq) + S(s) + NO2(g)

H+ / H2S

Cu2+(aq) + S2-(aq) → CuS(s)

6M HNO3

No Reaction