When is fused with
in the presence of air it gives a yellow solution of compound(A). Compound (A) on acidification gives comound (B). Compound (B) on reaction with
forms an orange coloured compound (C). An acidified solution of comound (C) oxidises
to (D). Identify (A), (B), (C) and (D).
Sodium Chronate
(Yellow)
(A)
Sodium dichronate
(B)
(C)
(C) (D)