(a(i))[1]
Iron(II) sulfate is heated strongly. State the formula of gas B.
(a(ii))[3]
Calculate the empirical formula of gas C. Name gas C.
(a(iii))[1]
Two moles of iron(II) sulfate decompose to give one mole of solid A, one mole of gas B and one mole of gas C. Deduce the formula of solid A.
(b)[2]
Write an ionic equation, with state symbols, for the production of the green precipitate D.
(c)[2]
Suggest the name of reagent X and give the formula for the white precipitate E.