Question

A hydrated metallic salt (A), light green in
colour, on careful heating gives a white anhydrous residue
(B). (B) is soluble in water and its aqueous solution reacts
with NO to give a dark brown compound (C). On heating,
(B) gives a brown residue (D) and a mixture of two gases
(E) and (F). The gaseous mixture when passed through an
acidified KMnO4 solution discharges the pink colour and
when passed through acidified BaCl, solution gave a white
precipitate. Identify (A), (B), (C), (D), (E) and (F).​

Answer 1

Hope the attachments would help you buddy...

Answer 2

Answer:

(A) : FeSO4.7H2O

B: FeSO4

c .FeSO 4.NO or [Fe(H 2O) 6 NO]SSO4

d ].fe2o3

e.so2

f.so3