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    Consider: FeSO4 A + B + C
    Here, (B) and (C) are gases and (A) is a red brown solid. (B) can be oxidised to (C). (B) also turns acidified K2Cr2O7 solution green. (A) dissolves in HCl to give deep yellow solution (D). (D) gives a blue coloured complex (E) with potassium ferrocyanide. Identify A, B, D and E.

    Options :-

    1. Fe2O3, SO2, FeCl3, Fe(CN)2
    2. Fe2O3, SO3, FeCl3,
    3. Fe2O3, SO2, FeCl3,
    4. FeO, SO2, FeCl2,
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Reply To: Consider: FeSO4 A + B + CHere, (B) and (C) are gases and (A) is a red brown solid. (B) can be oxidi….
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