Cu^2+ in solution

Mn^2+ in solution

Fe^2+ in solution

Fe^3+ in solution

Cr^3+ in solution

Cu^2+ with OH^-

Cu(OH)2 left standing in air

Mn^2+ with OH^-

Mn^2+ left standing in air

Fe^2+ with OH^-

Fe(OH)2 left standing in air

Fe^3+ with OH^-

Fe(OH)3 left standing in air

Cr^3+ with OH^-

Cr(OH)3 left standing in air

What ion reacts with excess OH^-

Cr^3+ in excess OH^-

Cu^2+ with NH3

Mn^2+ with NH3

Fe^2+ with NH3

Fe^3+ with NH3

Cr^3+ with NH3

What two ions react in excess NH3?

Cu^2+ with excess NH3

Cr^3+ in excess NH3

What ion reacts reacts with conc. HCl

Cu^2+ with conc. HCl

What colour is MnO4^2- in solution?

What colour is Cr2O7^2- in solution?

What colour is CuI ppt.?

What colour is I2 with starch?