The aqueous solution of ferrous sulfate, FeSO4, is light green on heating. It changes to yellow then brown due to formation of ferric sulfate.
Ferrous sulfate is green in color
It will darken the copper (II) sulfate solution.
faded green in colour
Green
Blue is the solution's color When blue CuSO4.5H2O (copper(II) sulfate pentahydrate) is dissolved, the solution turns blue. When white CuSO4 (anhydrous copper(II) sulfate) is dissolved, the solution turns also blue.
Ferrous sulfate is green in color
It will darken the copper (II) sulfate solution.
faded green in colour
Green
The sulfate ion itself does not contribute color to a solution, but the accompanying cation may contribute color.
Yellowish
Blue is the solution's color When blue CuSO4.5H2O (copper(II) sulfate pentahydrate) is dissolved, the solution turns blue. When white CuSO4 (anhydrous copper(II) sulfate) is dissolved, the solution turns also blue.
The color of ferrous sulphate crystals is green. However on heating, it yields a brownish mass ( as water is lost) and on further heating they lead to release of a mixture of sulfur dioxide and sulfur trioxide
The color of crystals will change after heating because of loss of water..
Its colour is nearly red and orange.
The color of the heptahydrate FeSO4. 7 H2O is green. After thermal dehydration the monohydrate FeSO4.H2O is formed and this is colorless.
The most common form of this substance is the heptahydrate, FeSO4·7H2O, which is blue-green. Please see the link for a photograph.