A hydrated mettalic salt(A). Light green in colour , on careful heating gives a white anhydrates
Channel: Doubtnut
Date: 2020-04-12

A hydrated mettalic salt(A). Light green in colour , on careful heating gives a white anhydrates residue (B),(B) is soluble in water and its aqueous gives a dark blue precipitate ( C ) with potassium hexacyanidoferrate (III) . (B ) on strong heating gives a brown residue(D) and a mixture of two gases(E ) and (F ). The gaseous mixture when passed through acidified potassium dichromate , produce green colour solution and when passed through lead acetate solution gave a white precipitate. Out of two gase( E) can act as both reducing as well as oxidising agent.   Identify (A) ,(B) ,(C ),(D) , and (F)  and gives the reaction involved.   Explain why salt(A) become white on heating .