Question

When green aqueous ferrous sulphate is heated it yields anhydrous ferrous sulphate.
What is the color of anhydrous ferrous sulphate?

Answer 1

On heating the colour of the Ferrous Sulphate first changes to white and then to brown.This is a thermal decomposition reaction.The white coloured substance is anhydrous Ferrous Sulphate and brown coloured substance is Ferric Oxide

Answer 2

when it heated the color of anhydrous ferrous sulphate is white..